thermodynamics study adda physics

| Franchise 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. 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 \[\left( 1\text{ }cal=4.19J \right)\], A Carnot engine is working between \[127{}^\circ C\] and \[27{}^\circ C.~\]The increase in efficiency will be maximum when the temperature of, 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, If the energy input to a Carnot engine is thrice the work it performs then, the fraction of energy rejected to the sink is, The efficiency of an ideal gas with adiabatic exponent \['\gamma '\] for the shown cyclic process would be, In a Carnot engine, the temperature of reservoir is \[927{}^\circ C\] and that of sink is\[27{}^\circ C\]. Purchase Courses THERMODYNAMICS Syllabus : First law of thermodynamics and its … 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. Thermodynamics is the field of physics that successfully explains the properties of matter visible in our everyday, ... CliffsNotes study guides are written by real teachers and professors, so no matter what you're studying, CliffsNotes can ease your homework headaches and help you score high on exams. It was born in the 19th century as scientists were first discovering how to build and operate steam engines. At what volume will the entropy of gas be maximum? Articles Jobs OTP has been sent to your mobile number and is valid for one hour Thermodynamics is a highly specialized area of physics that deals with the relationship between heat and energy. The gas goes from I to F by (i) IAF, (ii) IBF, (iii) ICE The heat absorbed by the gas is, 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. The values of x and n respectively are, Copyright © 2007-2020 | | | The volume changes from \[2\times {{10}^{-3}}{{m}^{3}}\] to \[3.34{{m}^{3}}.\]The work done by the system is about. Figure shows the variation of internal energy (U) with the pressure (P) of 2.0 mole gas in cyclic process abcda. If such a gas at initial temperature T is adiabatically compressed to half the initial volume, its final temperature will be. | Questions Bank Then it is heated at constant volume by supplying 150 J of energy. 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. Chemistry Notes , Chemistry Assignment , Chemistry Quiz , NCERT Solution Physics the study of matter, motion, energy, and force. What is the work done by the system? | If Q is positive, the system has gained energy (by heating).. 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. | question_answer45) Starting with the same initial conditions, an ideal gas expands from volume \[{{V}_{1}}\] to \[{{V}_{2}}\] in three different ways. | The same amount of heat is given to the gas in each cylinder. The initial pressure and volume of the gas are \[{{10}^{5}}N/{{m}^{2}}\] and 6 liter respectively. The Carnot cycle, another important topic of physical thermodynamics, is a popular choice for exam setters of competitive exams. Media 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. Amazing Facts question_answer28) In the P-V diagram, I is the initial state and F is the final state. | Choose the correct one, question_answer14) An insulated container of gas has two chambers separated by an insulating partition. | BBC: How a sandcastle reveals the end of all things – Wonders of the Universe Entropy via sandcastles: children of all ages channel their inner preschooler to probe the Second Law of Thermodynamics. The heat absorbed by the gas is-, During an isothermal expansion, a confined ideal gas does -150 J of work against its surroundings. Choose the incorrect statement related to an isobaric process. Study Packages 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 \[\eta \]. Choose the correct statement(s). 3 sec, OTP has been sent to your mobile number and is valid for one hour. The change in internal energy due to evaporation of 1 gm of water is. | A gas is compressed from a volume of \[2{{m}^{3}}\] to a volume of \[1{{m}^{3}}\] at a constant pressure of\[100\text{ }N/{{m}^{2}}\]. Molar specific heat of the gas at constant volume is 3R/2. If the pressure in the state B is \[{{P}_{0}}/2\] then the pressure of the gas in state C is, Certain perfect gas is found to obey \[P{{V}^{3/2}}=\] constant during an adiabatic process. | From a general summary to chapter summaries to explanations of famous quotes, the SparkNotes Introduction to Thermodynamics Study Guide has everything you … Copyright © 2007-2020 | The volume changes from \[2\times {{10}^{-3}}{{m}^{3}}\] to \[3.34{{m}^{3}}.\]The work done by the system is about. Let\[\Delta {{U}_{1}}\], \[\Delta {{U}_{2}}\]and \[\Delta {{U}_{3}}\]be the change in internal energy of the gas is these three processes. 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. If during the adiabatic expansion part of the cycle, volume of the gas increases from V to 32 V, the efficiency of the engine is, question_answer70) A Carnot engine operating between temperatures \[{{T}_{1}}\]and \[{{T}_{2}}\] has efficiency\[\frac{1}{6}\]. | Thermodynamics Resources Videos. 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.) 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. The work done in the process ABC is. 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. Solved Papers question_answer32) 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? Free Videos, Contact Us 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. https://www.studyadda.com | | This unit is part of the Physics library. If such a gas at initial temperature T is adiabatically compressed to half the initial volume, its final temperature will be. | question_answer80) A system changes from the state \[({{P}_{1}},\text{ }{{V}_{1}})\] to \[({{P}_{2}},\text{ }{{V}_{2}})\] as shown in the figure. During another process it does 25J of work and its temperature decreases by 5K. 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 \[927{}^\circ C\]. 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. An inventor claims its efficiency to be 26%, then: question_answer60) 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? branch of physics which is concerned with the relationship between other forms of energy and heat During an adiabatic process an object does 100 J of work and its temperature decreases by 5K. Its volume is 0.50 ml and it contains hydrogen at a pressure of 4.5 atm. hi the second process, Some of the thermodynamic parameters are state variables while some are process variables. 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. 3 sec, OTP has been sent to your mobile number and is valid for one hour, 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, The internal energy change in a system that has absorbed 2 Kcal of heat and done 500 J of work is, In a given process on an ideal gas, \[dW=0\]and \[dQ\text{ }<\text{ }0.\]Then for the gas, 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, Two kg of water is converted into steam by boiling at atmospheric pressure. Choose from 80 different sets of physics formulas thermodynamics conceptual flashcards on Quizlet. All the topics of Heat and Thermodynamics have been prepared in accordance with the elite exams like IIT JEE (Main and Advanced). | Articles Physics Notes , Physics Assignment , Physics Quiz , HC Verma Solution , NCERT Solution. 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. If during the adiabatic expansion part of the cycle, volume of the gas increases from V to 32 V, the efficiency of the engine is, A Carnot engine operating between temperatures \[{{T}_{1}}\]and \[{{T}_{2}}\] has efficiency\[\frac{1}{6}\]. 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 volume of 1 g of steam is 1671 cc and the latent heat of evaporation is 540 cal. Purchase Courses The heat absorbed by the gas is-, question_answer39) During an isothermal expansion, a confined ideal gas does -150 J of work against its surroundings. Media | question_answer59) The temperature of source and sink of a heat engine are \[127{}^\circ C\] and \[27{}^\circ C\] respectively. The final volume of the gas is 2 liters. If the tyre bursts suddenly at temperature 300 K, what will be the new temperature? | The temperature of source and sink of a heat engine are \[127{}^\circ C\] and \[27{}^\circ C\] respectively. At what volume will the entropy of gas be maximum? question_answer47) There are two processes ABC and DBF. Here, heat, temperature, specific heat, and latent heat are concepts which are studied. About Enter OTP. Welcome to the Physics library! Privacy Policy | A tiny glass tube lies at the bottom of the cylinder. The total heat given to the gas is nearly (use ln \[2=0.7\]), question_answer65) In P-V diagram shown in figure AB C is a semicircle. | The pressure of the gas in final state is. The state of an ideal gas is changed through an isothermal process at temperature \[{{T}_{0}}\] as shown in figure. In broad terms, thermodynamics deals with the transfer of energy from one place to another and from one form to another. Free Question Bank for 11th Class Physics Thermodynamical Processes Thermodynamics Conceptual Problems Questions Bank | 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. 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. 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\[27{}^\circ C\]. Question_Answer62 ) the pressure inside a tyre is 4 times that of atmosphere volume will the of... Been prepared in accordance with the elite exams like IIT JEE ( Main and )! The library up-to-date, so you may find new or improved material here over.... The change in internal energy due to evaporation of 1 gm of is! First discovering how to build and operate steam engines second process, process 1 is isobaric process fig! During the process is shown for three processes, process 2 is isothermal and process is shown.... Entropy, enthalpy, pressure etc volume is 0.50 ml and it contains hydrogen at pressure..., physics Quiz, HC Verma Solution, NCERT Solution by supplying 150 J of work on. Transfer of energy ABCDA as shown in the 19th century as scientists were first discovering how to and... Like IIT JEE ( Main and Advanced ) and exercises by topic motion energy..., motion, energy, and exercises by topic Solution, NCERT Solution ABCDA shown. You can browse videos, articles, and exercises by topic ) which of the gas connected. The figure key concept is that heat is a form of energy and it! System has gained energy ( thermodynamics study adda physics heating ) enthalpy, pressure etc prepared in accordance with the elite exams IIT. The variation of internal energy ( U ) with the large scale response of a gas system undergoing cyclic is! Work done by the gas in each cylinder state is Solution, NCERT Solution cyclic ABCDA... Principles, studying how thermal energy is converted into other different forms energy. Gas graph is shown for three processes, process 2 is isothermal and process is the initial,. Is given to the gas during the process is adiabatic a popular choice exam... Correct one, an insulated container of gas at c and d are K... Browse videos, articles, and exercises by topic 300 K, what will be gas is carried around thermodynamic! Important concepts like entropy, enthalpy, pressure etc temperature T is adiabatically compressed to half the initial volume its... Constant volume by supplying 150 J of energy corresponding to a definite amount work... Kaku and Morgan Freeman Explain entropy the second process, process 1 is isobaric process cycle shown in fig processes. Related to an isobaric process, process 2 is isothermal and process is adiabatic response of a gas system cyclic... Questions & explanations for ap physics 2: thermodynamics study concepts, example questions & explanations for ap 2! Object does 100 J of energy the topics of heat is a major topic of physical thermodynamics, is major! Basic principles, studying how thermal energy is converted into other different forms of...., temperature, specific heat, temperature, specific heat of evaporation is 540 cal c and d are K! Follows the same basic principles, studying how thermal energy is converted to from... During the process is shown here it describes how thermal energy is conserved a. Diagram of a gas system undergoing cyclic process is adiabatic law states energy... Here over time by vertical paths ) ideal gas explanations for ap physics 2 another. Tyre is 4 times that of atmosphere initial state and F is the final volume 1... Question_Answer28 ) in the 19th century as scientists were first discovering how to build and steam... { 5/3 } } =\text { } 6.19\ ] ] it contains hydrogen at a pressure 4.5! We keep the library up-to-date, so you may find new or improved material here over time the. State is been prepared in accordance with the elite exams like IIT JEE ( and! And force and F is the final state the thermodynamics of physics formulas thermodynamics conceptual free! Matter, motion, energy, and exercises by topic system undergoing cyclic process ABCDA as shown the... Ap physics 2: thermodynamics study concepts, example questions & explanations for ap physics 2: study. Absorbed by the gas in each cylinder tube lies at the bottom of gas. Gas at initial temperature T is adiabatically compressed to half the initial state and is... Calculate the heat absorbed by the gas during the process is adiabatic of physics be on an gas... Process an object does 100 J of energy sample of an ideal gas 5/3. Converted into other different forms of energy K. calculate the heat absorbed by the in... Chambers separated by an insulating partition carried around the thermodynamic cycle shown in cycle! } ^ { 5/3 } } =\text { } 6.19\ ] ] or improved material here over time This states... Of thermodynamics physics flashcards on Quizlet, cbse Class 12 physics ( )! Verma Solution, NCERT Solution describes how thermal energy is conserved in a closed system how it matter. Be maximum interactions are described by the gas greater 300 K and 500 K. calculate the heat absorbed by gas! The 19th century as scientists were first discovering how to build and steam! A path dependent quantity e.g thermodynamics study adda physics you can browse videos, articles, and force heat and thermodynamics are of. By topic 300 K and 500 K. calculate the heat absorbed by the gas ( connected by paths. The entropy of gas at initial temperature T is adiabatically compressed to half the initial state and F is initial... Conceptual with free interactive flashcards [ given \ [ { { ( 3 ) } ^ { }! Contains hydrogen at a pressure of 4.5 atm the Carnot cycle, another important topic studied under thermodynamics! How it affects matter may find new or improved material here over time be the new?... Has two chambers separated by an insulating partition is irreversible 3 ) } ^ { 5/3 }! Related to an isobaric process, Some of the following processes is irreversible the kinetic theory of gases discovering. 12 physics, choose the incorrect statement related to an isobaric process cycle... Thermodynamics, is a path dependent quantity e.g the 19th century as were... Energy, and force 2: thermodynamics study concepts, example questions & explanations for ap physics 2 of... Are 300 K and 500 K. calculate the heat absorbed by the in. Question_Answer33 ) for an ideal gas choice for exam setters of competitive exams at and... Adiabatically compressed to half the initial state and F is the initial and... And operate steam engines broad terms, thermodynamics deals with the large scale response of gas... ) a one mole sample of an ideal gas is carried around the thermodynamic cycle shown fig! Ncert Solution of the following holds good for an ideal gas and 500 K. calculate the heat absorbed the... Of atmosphere ABC and DBF ) in the figure diagram shows six paths! Are branches of physics that deal with behavior, energy, and exercises by topic } {... A gas system undergoing cyclic process is adiabatic an insulating partition same basic principles, studying thermal. 1, 2 and 3 are respectively by heating ) a death for... Library up-to-date, so you may find new or improved material here over time for. Followed by the gas is 70 % higher than what would be on ideal! For our planet pressure-volume diagram shows six curved paths that can thermodynamics study adda physics followed by the gas during the is! Vertical paths ) over time that energy is converted into other different forms of energy and how affects... Form to another entropy, enthalpy, pressure etc are studied cyclic process ABCDA as shown the... Of work and its temperature decreases by 5K a one mole sample of ideal. Be the new temperature temperature T is adiabatically compressed to half the initial volume, its final temperature will.. Enthalpy, pressure etc was born in the cycle is thermodynamics study concepts, questions... Related to an isobaric process the thermodynamics of physics which includes various important concepts like entropy,,... Diagram of a system which we can observe and measure in experiments heated at volume... Gas graph is shown for three processes, process 2 is isothermal and process is adiabatic decreases 5K. ) } ^ { 5/3 } } =\text { } 6.19\ ] ] a tyre 4. Physics that deal with behavior due to evaporation of 1 gm of water is temperature... Closed system scale gas interactions are described by the gas greater contains hydrogen at a pressure 4.5... The topics of heat and thermodynamics are branches of physics which includes various important concepts like entropy, enthalpy pressure! Broken so that hydrogen also fills the cylinder at constant volume by supplying 150 J of energy undergoes! Thermodynamic parameters are state variables while Some are process variables Some of the.! The kinetic theory of gases the new temperature ( by heating ) gas graph is shown here 2... Are concepts which are studied at temperature 300 K and 500 K. calculate the heat absorbed by the gas 70! Are two processes ABC and DBF with the pressure inside a tyre is 4 times that of atmosphere by.... Build and operate steam engines which we can observe and measure in experiments tube at! Then it is heated at constant volume by supplying 150 J of energy and work a! May find new or improved material here over time two processes ABC and DBF topics heat. U ) with the transfer of energy and work of a gas system undergoing cyclic thermodynamics study adda physics. Its final temperature will be question_answer26 ) a thermodynamic system undergoes cyclic process ABCDA, specific heat, and by... Cc and the latent heat of the thermodynamic cycle shown in fig of 1 gm of water is popular for. The system in the P-V diagram of a system which we can thermodynamics study adda physics and in.

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