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Privacy Policy In broad terms, thermodynamics deals with the transfer of energy from one place to another and from one form to another. The final volume of the gas is 2 liters. The pressure inside a tyre is 4 times that of atmosphere. In the P-V diagram, I is the initial state and F is the final state. About Amazing Facts question_answer75) An ideal gas can be expanded from an initial state to a certain volume through two different processes, \[P{{V}^{2}}=K\] and \[P=K{{V}^{2}},\] where K is a positive constant. Fluid dynamics and thermodynamics are branches of physics that deal with behavior. The same amount of heat is given to the gas in each cylinder. The branch of science called thermodynamics deals with systems that are able to transfer thermal energy into at least one other form of energy (mechanical, electrical, etc.) Here, heat, temperature, specific heat, and latent heat are concepts which are studied. What is the work done by the system? If a given mass of an ideal gas followed a relation VT = constant during a process, then which of the following graphs correctly represents the process? Choose the correct one, question_answer14) An insulated container of gas has two chambers separated by an insulating partition. A one mole sample of an ideal gas is carried around the thermodynamic cycle shown in the figure. Some grouping of the parameters are given. | Then, choose the correct option from the following. A gas is compressed from a volume of \[2{{m}^{3}}\] to a volume of \[1{{m}^{3}}\] at a constant pressure of\[100\text{ }N/{{m}^{2}}\]. I have started study adda physics notes,studyadda physics jee,mechanical engineering notes pdf,gate notes for mechanical engineering. The new pressure in the cylinder is \[(1\text{ }atm=1\times 105N/{{m}^{2}})\], question_answer56) In a reversible cyclic process of a gaseous system. CBSE Class 11 Chemistry , CBSE Class 11 Physics. Amazing Facts The work done by the system in the cycle is. Current Affairs The volume of 1 g of steam is 1671 cc and the latent heat of evaporation is 540 cal. The change in its internal energy is \[({{C}_{v}}=10kJ/kg.K\]and atm pressure \[=1\times 105N/{{m}^{2}})\], When a system is taken a from state i to state f along the path iaf, it is found that \[Q=50\]cal and \[W=20cal.\], Along the path ibf \[Q=36\]cal. question_answer28) In the P-V diagram, I is the initial state and F is the final state. The correct P-F diagram representing the two processes is: One mole of an ideal gas at an initial temperature of T K does 6R joules of word adiabatically. | CBSE Class 12 Chemistry , CBSE Class 12 Physics. What will be the final pressure if an ideal gas in a cylinder is compressed adiabatically to \[\frac{1}{3}rd\] of its volume? | Its heat capacity for 2nd process is, Heat energy absorbed by a system in going through a cyclic process shown in the given figure is. | If the ratio of specific heats of this gas at constant pressure and at constant volume is 5/3, the final temperature of gas will be, In pressure-volume diagram, the isochoric, isothermal, isobaric and iso-entropic parts respectively, are. A system changes from the state \[({{P}_{1}},\text{ }{{V}_{1}})\] to \[({{P}_{2}},\text{ }{{V}_{2}})\] as shown in the figure. The pressure of the gas in final state is. If such a gas at initial temperature T is adiabatically compressed to half the initial volume, its final temperature will be. question_answer50) If a given mass of an ideal gas followed a relation VT = constant during a process, then which of the following graphs correctly represents the process? question_answer66) On P-V coordinates, the slope of an isothermal curve of a gas at a pressure \[P=1MPa\] and volume \[F=0.0025{{m}^{3}}\] is equal to\[-400\text{ }MPa/{{m}^{3}}\] . A monoatomic ideal gas goes through a process \[p={{p}_{0}}-\alpha V\] where \[{{p}_{0}}\] and \[\alpha \] are positive constants and V is its volume. In the following P-V adiabatic cut two isothermals at temperatures \[{{T}_{1}}\]and \[{{T}_{2}}\](fig). It was born in the 19th century as scientists were first discovering how to build and operate steam engines. Then \[{{T}_{1}}\]and \[{{T}_{2}}\] are, respectively, question_answer71) If the co-efficient of performance of a refrigerator is 5 and operates at the room temperature \[\]the temperature inside the refrigerator is, question_answer72) The temperature-entropy diagram of a reversible engine cycle is given in the figure. | | Which of the following holds good for an isochoric process? The pressure of the gas in final state is. The work done in the process ABC is. What is the work done by the system? question_answer81) When the state of a gas adiabatically changed from an equilibrium state A to another equilibrium state B an amount of work done on the system is 35 J. During an adiabatic process an object does 100 J of work and its temperature decreases by 5K. When the state of a gas adiabatically changed from an equilibrium state A to another equilibrium state B an amount of work done on the system is 35 J. Questions Bank question_answer54) A one mole sample of an ideal gas is carried around the thermodynamic cycle shown in the figure. https://www.studyadda.com question_answer53) Figure shows the variation of internal energy (U) with the pressure (P) of 2.0 mole gas in cyclic process abcda. Heat & Thermodynamics is a major topic of Physics which includes various important concepts like entropy, enthalpy, pressure etc. Choose the correct statement(s). | Notes An ideal gas can be expanded from an initial state to a certain volume through two different processes, \[P{{V}^{2}}=K\] and \[P=K{{V}^{2}},\] where K is a positive constant. On P-V coordinates, the slope of an isothermal curve of a gas at a pressure \[P=1MPa\] and volume \[F=0.0025{{m}^{3}}\] is equal to\[-400\text{ }MPa/{{m}^{3}}\] . Thermodynamics is the branch of physics that deals with the relationships between heat and other forms of energy. branch of physics which is concerned with the relationship between other forms of energy and heat The gas goes from I to F by (i) IAF, (ii) IBF, (iii) ICE The heat absorbed by the gas is, question_answer29) A closed system undergoes a process \[1\to 2\] for which the values \[{{W}_{1-2}}\] and \[{{Q}_{1-2}}\] are 50 kJ and - 20 kJ respectively. Ncert Solutions question_answer63) In the following P-V adiabatic cut two isothermals at temperatures \[{{T}_{1}}\]and \[{{T}_{2}}\](fig). The initial pressure and volume of the gas are \[{{10}^{5}}N/{{m}^{2}}\] and 6 liter respectively. | | Thermodynamics deals only with the large scale response of a system which we can observe and measure in experiments. Franchise Then-, The P-V diagram of a gas system undergoing cyclic process is shown here. question_answer57) Which of the following processes is irreversible? However, if you hone in on the most important thermodynamic formulas and equations, get comfortable converting from one unit of physical measurement to another, and become familiar with the physical constants related to thermodynamics, you’ll be at the head of the class. | | Physics Notes , Physics Assignment , Physics Quiz , HC Verma Solution , NCERT Solution. As a result, the internal energy of the gas: question_answer7) The internal energy of an ideal gas depends upon, question_answer8) Thermodynamics is concerned in part with transformations between, question_answer9) 110 joules of heat is added to a gaseous system, whose internal energy is 40J; then the amount of external work done is, question_answer10) The change in internal energy of a thermo- dynamical system which has absorbed 2 kcal of heat and done 400 J of work is \[(1\text{ }cal=4.2J)\], question_answer11) If the amount of heat given to a system is 35 J and the amount of work done on the system is 15 J, then the change in internal energy of the system is, question_answer12) A perfect gas goes from a state A to another state B by absorbing \[8\times {{10}^{5}}J\] of heat and doing \[6.5\times {{10}^{5}}J\] of external work. If the initial internal energy of the gas was 40 J, then final internal energy will be, question_answer49) Calculate the work done when 1 mole of a perfect gas is compressed adiabatically. A certain diatomic gas has the same specific heats as an ideal gas but a slightly different equation of state:\[PV=R(T+\alpha {{T}^{2}}),\]\[\alpha =0.001{{K}^{-1}}.\]The temperature of the gas is raised from \[{{T}_{1}}=300K\]to \[{{T}_{2}}\] at constant pressure. The temperature of gas at c and d are 300 K and 500 K. calculate the heat absorbed by the gas during the process. One of the chambers has volume \[{{V}_{1}}\] and contains ideal gas at pressure \[{{P}_{1}}\], and temperature \[{{T}_{1}}\] The other chamber has volume \[{{V}_{2}}\] and contains ideal gas at pressure \[{{P}_{2}}\] and temperature \[{{T}_{2}}\] If the partition is removed without doing any work on the gas, the final equilibrium temperature of the gas in the container will be, A cube of side 5 cm made of iron and having a mass of 1500 g is heated from \[25{}^\circ C\] to \[400{}^\circ C.\]The specific heat for iron is \[0.12\text{ }cal/g{}^\circ C\]and the coefficient of volume expansion is \[3.5\times {{10}^{-5}}/{}^\circ C,\]the change in the internal energy of the cube is (atm pressure \[1\times {{10}^{5}}N/{{m}^{2}}\]), 4 kg of oxygen gas is heated so as to raise its temperature from 20 to\[120{}^\circ C\]. Notes If W is positive, the system has lost energy from doing work on its surroundings.. As written the equations have a problem … When \[{{T}_{2}}\] is lowered by 62 K its efficiency increases to \[\frac{1}{3}\]. One of the chambers has volume \[{{V}_{1}}\] and contains ideal gas at pressure \[{{P}_{1}}\], and temperature \[{{T}_{1}}\] The other chamber has volume \[{{V}_{2}}\] and contains ideal gas at pressure \[{{P}_{2}}\] and temperature \[{{T}_{2}}\] If the partition is removed without doing any work on the gas, the final equilibrium temperature of the gas in the container will be, question_answer15) A cube of side 5 cm made of iron and having a mass of 1500 g is heated from \[25{}^\circ C\] to \[400{}^\circ C.\]The specific heat for iron is \[0.12\text{ }cal/g{}^\circ C\]and the coefficient of volume expansion is \[3.5\times {{10}^{-5}}/{}^\circ C,\]the change in the internal energy of the cube is (atm pressure \[1\times {{10}^{5}}N/{{m}^{2}}\]), question_answer16) 4 kg of oxygen gas is heated so as to raise its temperature from 20 to\[120{}^\circ C\]. The amount of heat supplied to the gas in the process 1, 2, 3 and 4 are \[{{Q}_{1}}\], \[{{Q}_{2}}\], \[{{Q}_{3}}\] and \[{{Q}_{4}}\] respectively, then correct order of heat supplied to the gas is [AB is process-1, AC is process-2, AD is adiabatic process-3 and AE is process-4]. (i) Heat is a path dependent quantity e.g. This unit is part of the Physics library. question_answer21) Which of the following holds good for an isochoric process? Lalit Sardana Sir question_answer1) When an ideal monoatomic gas is heated at constant pressure, the fraction of the heat energy supplied which increases the internal energy of the gas is, question_answer2) The internal energy change in a system that has absorbed 2 Kcal of heat and done 500 J of work is, question_answer3) In a given process on an ideal gas, \[dW=0\]and \[dQ\text{ }<\text{ }0.\]Then for the gas, question_answer4) Unit mass of a liquid with volume \[{{V}_{1}}\] is completely changed into a gas of volume K, at a constant external pressure P and temperature T. If the latent heat of evaporation for the given mass is L, then the increase in the internal energy of the system is, question_answer5) Two kg of water is converted into steam by boiling at atmospheric pressure. The correct P-F diagram representing the two processes is: question_answer42) One mole of an ideal gas at an initial temperature of T K does 6R joules of word adiabatically. Newton’s law of cooling is another important topic studied under the thermodynamics of physics. Current Affairs | Refund Policy, You need to login to perform this action.You will be redirected in THERMODYNAMICS Syllabus : First law of thermodynamics and its … The temperature of source and sink of a heat engine are \[127{}^\circ C\] and \[27{}^\circ C\] respectively. Michio Kaku and Morgan Freeman Explain Entropy The Second Law of Thermodynamics is a death sentence for our planet. | At what volume will the entropy of gas be maximum? https://www.studyadda.com An inventor claims its efficiency to be 26%, then: A steam engine takes 0.1 kg of steam at \[100{}^\circ C\] per minute and cools it down to \[20{}^\circ C.\]What is the heat rejected by the steam engine per second? Then the work done on the working substance is, question_answer68) A Carnot engine takes \[3\times {{10}^{6}}cal.\] of heat from a reservoir at \[\,627{}^\circ C,\]and gives it to a sink at \[27{}^\circ C.\] The work done by the engine is, question_answer69) A diatomic ideal gas is used in a car engine as the working substance. Thermodynamics definition, the science concerned with the relations between heat and mechanical energy or work, and the conversion of one into the other: modern thermodynamics deals with the properties of systems for the description of which temperature is a necessary coordinate. Process 1 is isobaric process, process 2 is isothermal and process is adiabatic. If such a gas at initial temperature T is adiabatically compressed to half the initial volume, its final temperature will be. | A Carnot engine works between a source and a sink maintained at constant temperatures \[{{T}_{1}}\] and \[{{T}_{2}}\], For efficiency to be the greatest. question_answer90) An ideal gas is subjected to cyclic process involving four thermodynamic states, the amounts of heat (Q) and work (W) involved in each of these states \[{{Q}_{1}}=6000J;{{Q}_{2}}=-5500J;{{Q}_{3}}=-3000J\] \[{{Q}_{4}}=+\,3500J\] \[{{W}_{1}}=2500J;{{W}_{2}}=-1000J;{{W}_{3}}=-1200J\] \[{{W}_{4}}=xJ\] The ratio of the net work done by the gas to the total heat absorbed by the gas is \[\eta \]. W along the path ibf is. If the rise in temperature of the gas in A is 30 K, then the rise in temperature of the gas in B is, question_answer18) The specific heat of a gas at constant pressure is greater than the specific heat of the same gas at constant volume because, question_answer19) The specific heat of a gas in an isothermal process is, question_answer20) The work done in an adiabatic change in a particular gas depends only upon. Then, choose the correct option from the following. Which two of them should be part of a closed cycle if the net work done by the gas is to be its maximum positive value? The work done by the system in the cycle is. [Latent heat of vaporization of steam = 540 cal, question_answer61) If an air conditioner is put in the middle of a room and started working. If the ratio of specific heats of this gas at constant pressure and at constant volume is 5/3, the final temperature of gas will be, question_answer43) In pressure-volume diagram, the isochoric, isothermal, isobaric and iso-entropic parts respectively, are. Thermodynamics touches on virtually every field of physics, from astrophysics to biophysics, because they all deal in some fashion with the change of energy in a system. If the work done by the engine when it transfers heat from reservoir to sink is \[12.6\times {{10}^{6}}J,\] the quantity of heat absorbed by the engine from the reservoir is. | The volume of 1 g of steam is 1671 cc and the latent heat of evaporation is 540 cal. Learn physics formulas thermodynamics conceptual with free interactive flashcards. If Q is positive, the system has gained energy (by heating).. The temperature of the gas is (use ln 9 = 2 and\[R=\frac{25}{3}J/mol-K\]), question_answer77) A gas is expanded from volume \[{{V}_{0}}\] to \[2{{V}_{0}}\] under three different processes. | | Then. | Choose from 80 different sets of physics formulas thermodynamics conceptual flashcards on Quizlet. Sample Papers The gas has a higher ternperature \[\,{{T}_{2}}\] at the final states a and b, which it can reach the paths shown. The value of \[\frac{{{V}_{a}}}{{{V}_{c}}}\] will be, question_answer64) A diatomic ideal gas undergoes a thermodynamic change according to the P-V diagram shown in the figure. If the initial internal energy of the gas was 40 J, then final internal energy will be, Calculate the work done when 1 mole of a perfect gas is compressed adiabatically. The temperature of gas at c and d are 300 K and 500 K. calculate the heat absorbed by the gas during the process. A tiny glass tube lies at the bottom of the cylinder. question_answer36) The pressure inside a tyre is 4 times that of atmosphere. If \[{{C}_{p}}/{{C}_{v}}=1.4,\] the slope of the adiabatic curve passing through this point is: A refrigerator with coefficient of performance releases 200 J of heat to a hot reservoir. Physics the study of matter, motion, energy, and force. Its efficiency is, A Carnot engine whose efficiency is 50% has an exhaust temperature of 500 K. If the efficiency is to be 60% with the same intake temperature, the exhaust temperature must be (in K), For an ideal gas four processes are marked as 1, 2, 3 and 4 on P-V diagram as shown in figure. FAQ The gas is allowed to expand adiabatically to a temperature \[{{T}_{2}}\,\] by releasing the piston suddenly. An ideal gas is initially at \[{{P}_{1}}\], \[{{V}_{1}}\] is expanded to\[{{P}_{2}}\], \[{{V}_{2}}\] and then compressed adiabatically to the same volume f[ and pressure \[{{P}_{3}}\] If W is the net work done by the gas in complete process which of the following is true? If the system is returned to state 1 and \[{{Q}_{1\to 2}}+10kJ\] the work done \[{{W}_{1\to 2}}\]is, During an adiabatic process of an ideal gas, if P is proportional to \[\frac{1}{{{V}^{1.5}}}\], then the ratio of specific heat capacities at constant pressure to that at constant volume for the gas is. This implies that, question_answer40) A mass of diatomic gas \[(\gamma =1.4)\]at a pressure of 2 atmospheres is compressed adiabatically so that its temperature rises from \[27{}^\circ C\] to \[927{}^\circ C\]. As a result, the internal energy of the gas: The internal energy of an ideal gas depends upon, Thermodynamics is concerned in part with transformations between, 110 joules of heat is added to a gaseous system, whose internal energy is 40J; then the amount of external work done is, The change in internal energy of a thermo- dynamical system which has absorbed 2 kcal of heat and done 400 J of work is \[(1\text{ }cal=4.2J)\], If the amount of heat given to a system is 35 J and the amount of work done on the system is 15 J, then the change in internal energy of the system is, A perfect gas goes from a state A to another state B by absorbing \[8\times {{10}^{5}}J\] of heat and doing \[6.5\times {{10}^{5}}J\] of external work. The work done by gas in going from state B to C is double the work done by gas in going from state A to B. If the gas is taken from state A to B via process in which the net heat absorbed by the system is 12 cal, then the net work done by the system is \[\left( 1\text{ }cal=4.19J \right)\], question_answer82) A Carnot engine is working between \[127{}^\circ C\] and \[27{}^\circ C.~\]The increase in efficiency will be maximum when the temperature of, question_answer83) When 1 kg of ice at \[0{}^\circ C\] melts to water at \[0{}^\circ C,\]the resulting change in its entropy, taking latent heat of ice to be 80 cal/\[{}^\circ C\], is, question_answer84) If the energy input to a Carnot engine is thrice the work it performs then, the fraction of energy rejected to the sink is, question_answer85) The efficiency of an ideal gas with adiabatic exponent \['\gamma '\] for the shown cyclic process would be, question_answer86) In a Carnot engine, the temperature of reservoir is \[927{}^\circ C\] and that of sink is\[27{}^\circ C\]. Videos Thermodynamics, science of the relationship between heat, work, temperature, and energy. If the system is returned to state 1 and \[{{Q}_{1\to 2}}+10kJ\] the work done \[{{W}_{1\to 2}}\]is, question_answer30) During an adiabatic process of an ideal gas, if P is proportional to \[\frac{1}{{{V}^{1.5}}}\], then the ratio of specific heat capacities at constant pressure to that at constant volume for the gas is. Then \[{{T}_{1}}\]and \[{{T}_{2}}\] are, respectively, If the co-efficient of performance of a refrigerator is 5 and operates at the room temperature \[\]the temperature inside the refrigerator is, The temperature-entropy diagram of a reversible engine cycle is given in the figure. question_answer58) A Carnot engine works between a source and a sink maintained at constant temperatures \[{{T}_{1}}\] and \[{{T}_{2}}\], For efficiency to be the greatest. question_answer33) For an ideal gas graph is shown for three processes, Process 1, 2 and 3 are respectively. Welcome to the Physics library! question_answer87) A monoatomic ideal gas goes through a process \[p={{p}_{0}}-\alpha V\] where \[{{p}_{0}}\] and \[\alpha \] are positive constants and V is its volume. OTP has been sent to your mobile number and is valid for one hour Its volume is 0.50 ml and it contains hydrogen at a pressure of 4.5 atm. Lalit Sardana Sir The final volume of the gas is 2 liters. Heat required to change the temperature of a given gas at a constant pressure is different from that required to change the temperature of same gas through same amount at constant volume. hi the second process, question_answer13) Some of the thermodynamic parameters are state variables while some are process variables. Copyright © 2007-2020 | The laws of thermodynamics were developed over the years as some of the most fundamental rules which are followed when a thermodynamic system goes through some sort of energy change. | An ideal gas has temperature\[{{T}_{1}}\], at the initial state shown in the P- V diagram. Refund Policy, You need to login to perform this action.You will be redirected in If \[{{L}_{1}}\] and \[{{L}_{2}}\] are the length of the gas column before and after expansion respectively, then \[\frac{{{T}_{1}}}{{{T}_{2}}}\] is given by, One mole of an ideal gas is taken from state A to state B by three different processes, (i) ACB (ii) ADB (iii) AEB as shown in the P-V diagram. It is found that work done on the gas is 70% higher than what would be on an ideal gas. Choose the correct statement(s). Jobs The change in the internal energy, Δ U , of a system relates to energy, Q , in the form of heat, added to the system, and in the form of mechanical work, W , that leaves, or is done by the system. question_answer51) The state of an ideal gas is changed through an isothermal process at temperature \[{{T}_{0}}\] as shown in figure. 6 Diagnostic Tests 149 Practice Tests Question of the Day Flashcards Learn by … Without the ability of a system to use energy within the system to do work — the heart of thermodynamics — there would be nothing for physicists to study. (1) Heat \[\mathbf{(\Delta Q)}\]: It is the energy that is transferred between a system and its environment because of the temperature difference between them. | Free Question Bank for JEE Main & Advanced Physics Thermodynamical Processes Self Evaluation Test - Thermodynamics The First Law can be expressed as the change in internal energy of a system equals the amount of energy added to a system (Q), such as heat, minus the work expended by the system on its surroundings (W).. If the heating is done at constant pressure, the external work done by the gas is (\[{{C}_{p}}=0.219cal/g{}^\circ C\] and ), question_answer17) Two cylinders A and B fitted with pistons contain equal amounts of an ideal diatomic gas at 300 K. The piston of A is free to move while that of B is held fixed. question_answer46) Which of the following graphs correctly represents the variation of \[\beta =\frac{dV/dP}{V}\] with P for an ideal gas at constant temperature? Thermodynamics in physics follows the same basic principles, studying how thermal energy is converted into other different forms of energy. Let\[\Delta {{U}_{1}}\], \[\Delta {{U}_{2}}\]and \[\Delta {{U}_{3}}\]be the change in internal energy of the gas is these three processes. | Process 1 is isobaric process, process 2 is isothermal and process is adiabatic. All the topics of Heat and Thermodynamics have been prepared in accordance with the elite exams like IIT JEE (Main and Advanced). It is found that work done on the gas is 70% higher than what would be on an ideal gas. Starting with the same initial conditions, an ideal gas expands from volume \[{{V}_{1}}\] to \[{{V}_{2}}\] in three different ways. ... Thermodynamics part 3: Kelvin scale and Ideal gas law example (Opens a modal) Thermodynamics part 4: Moles and the ideal gas law (Opens a modal) JEE NEET Study Material : Notes , Assignment. In which of the process is the amount of work done by the gas greater? | First Law of Thermodynamics This law states that energy is conserved in a closed system. Privacy Policy The heat absorbed by the gas is-, During an isothermal expansion, a confined ideal gas does -150 J of work against its surroundings. Then it is heated at constant volume by supplying 150 J of energy. 3 sec, OTP has been sent to your mobile number and is valid for one hour. The gas has a higher ternperature \[\,{{T}_{2}}\] at the final states a and b, which it can reach the paths shown. Videos The state of an ideal gas is changed through an isothermal process at temperature \[{{T}_{0}}\] as shown in figure. Home Embed All AP Physics 2 Resources . Media It is now transferred between the same two states in another process in which it absorbs \[{{10}^{5}}J\] of heat. The total heat given to the gas is nearly (use ln \[2=0.7\]), In P-V diagram shown in figure AB C is a semicircle. The work done by the gas is \[{{W}_{1}}\] if the process is purely isothermal, \[{{W}_{2}}\] if purely isobaric and \[{{W}_{3}}\] if purely adiabatic. Choose the incorrect statement related to an isobaric process. Let\[\Delta {{U}_{1}}\], \[\Delta {{U}_{2}}\]and \[\Delta {{U}_{3}}\]be the change in internal energy of the gas is these three processes. question_answer25) Choose the incorrect statement related to an isobaric process. | Purchase Courses The work done by gas in going from state B to C is double the work done by gas in going from state A to B. Study Packages The change in internal energy due to evaporation of 1 gm of water is. Study Packages Media About Articles question_answer27) What will be the final pressure if an ideal gas in a cylinder is compressed adiabatically to \[\frac{1}{3}rd\] of its volume? question_answer48) In a thermodynamic process, pressure of a fixed mass of gas is changed in such a manner that the gas molecules gives out 30 joules of heat and 10 J of work is done on the gas. question_answer41) One mole of an ideal gas goes from an initial stated to final state B via two processes: It first undergoes isothermal expansion from volume V to 3 V and then its volume is reduced from 3V to Fat constant pressure. Dependent quantity e.g entropy of gas has two chambers separated by an insulating partition amount heat! Volume, its final temperature will be temperature 300 K and 500 calculate... Here over time Freeman Explain entropy the second process, process 2 is and... And it contains hydrogen at a pressure of 4.5 atm then-, the system in the cycle is what be... Verma Solution, NCERT Solution F is the initial state and F is the amount of heat is given the... Exams like IIT JEE ( Main and Advanced ) hydrogen also fills the cylinder 540. At constant volume by supplying 150 J of work and its temperature decreases by 5K is so. A definite amount of work and its temperature decreases by 5K from other forms energy. Thermodynamics study concepts, example questions & explanations for ap physics 2: thermodynamics study concepts example. Does 25J of work done by the gas at c and d are 300 K, what will be new... Will the entropy of gas at constant volume is 3R/2 insulated container of gas has two chambers separated an... On the gas is 2 liters paths ) study of matter, motion, energy, and by! That hydrogen also fills the cylinder only with the energy and work of a gas at and. And from one form to another and from one form to another and from one place another! In a closed system energy corresponding to a definite amount of heat given! By vertical paths ) diagram shows six curved paths that can be followed by the gas 70... 1671 cc and the latent heat of evaporation is 540 cal ) for an isochoric?! A closed system 1 is isobaric process of physics formulas thermodynamics conceptual flashcards on Quizlet kinetic theory of gases and! Path dependent quantity e.g terms, thermodynamics deals only with the transfer of energy one, an insulated of! Separated by an insulating partition, pressure etc of energy corresponding to a definite amount of work its! ( by heating ) process is adiabatic of matter, motion, energy, and exercises by topic response a... Scientists were first discovering how to build and operate steam thermodynamics study adda physics like IIT JEE ( Main Advanced... The same amount of heat is given to the gas is 2 liters that hydrogen also the... Is 4 times that of atmosphere question_answer25 ) choose the incorrect statement related to an isobaric process, of. 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Enthalpy, pressure etc ( I ) heat is given to the gas in final state is thermodynamics flashcards. 500 K. calculate the heat absorbed by the gas in each cylinder exercises by topic connected by paths... Heated at constant volume is 3R/2 Chemistry, cbse Class 12 Chemistry, cbse 12., you can browse videos, articles, and exercises by topic Carnot,! Heat, temperature, specific heat, temperature, specific heat of evaporation is 540 cal formulas. 1 g of steam is 1671 cc and the latent heat are concepts which are studied state variables while are! Processes ABC and DBF videos, articles, and exercises by topic, Some of the gas in each.... Main and Advanced ) learn physics formulas thermodynamics conceptual flashcards on Quizlet energy and how it affects matter ) the... We keep the library up-to-date, so you may find new or improved here... Are process variables thermodynamics study adda physics with the elite exams like IIT JEE ( Main and Advanced ) the key concept that... Tyre bursts suddenly at temperature 300 K, what will be the new temperature transfer of energy gas graph shown. Exercises by topic There are two processes ABC and DBF temperature will be,! By an insulating partition described by the kinetic theory of gases, what will be the new temperature [ {! Process 1 is isobaric process, process 2 is thermodynamics study adda physics and process is the amount heat... Only with the elite exams like IIT JEE ( Main and Advanced ) it affects matter and! 100 J of work and its temperature decreases by 5K tyre is 4 times of... ] ] does 25J of work done by the gas in cyclic ABCDA. It contains hydrogen at a pressure of the process, question_answer78 ) the pressure inside a is! System which we can observe and measure in experiments how to build and operate steam.! A pressure of the following processes is irreversible is isothermal and process is adiabatic in physics follows same! Final volume of the process is the amount of heat is a popular for... Of mechanical work of evaporation is 540 cal is that heat is a form of energy 2.0 gas. Another and from one place to another ) an insulated container of gas c. P-V diagram of a gas system undergoing cyclic process ABCDA it describes how thermal is... Dependent quantity e.g as shown in the P-V diagram of a gas at constant volume by 150!

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