Heat, Internal Energy and Work

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Heat, Internal Energy and Work: Overview

This Topic covers sub-topics such as Internal Energy, Internal Energy in Thermodynamics, Work Done by Thermodynamic System and, Distinction between Heat and Internal Energy

Important Questions on Heat, Internal Energy and Work

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When work done by a system was 10 J, the increase in the internal energy of the system was 30 J. The heat 'q' supplied to the system was

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Consider the following statements-

a) q is a state function in isochoric process.

b) w is state function in isobaric process.

c) Work done by the system will be zero in adiabatic free expansion.

Correct among the following is/are

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What is the distinction between heat and internal energy?

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At a given temperature, the specific heat of a gas at constant pressure is always greater than its specific heat at constant volume.

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An ideal is filled in a closed, rigid and thermally-insulated container. A coil of 100Ω resistance and carrying a current of 1 A supplies heaT to the gas. The change in the internal energy of the gas after 5 minutes will be:

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For an ideal gas, its internal energy is the function of its:

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Write the difference between.heat and internal energy 

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Heat and internal energy are path function

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Define internal energy and heat?

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The heat supplied to a system is used up entirely by the system in doing work on the environment during  

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Heat transferred to the surrounding will increase the internal energy of a system.

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The standard internal energy change of the cell  reaction will be

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A thermodynamical system undergoes cyclic process ABCDA as shown in figure. Work done by the system is _____ (in letters).

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An ideal gas undergoing a change of state from A to B through four different paths, I, II, III and IV as shown in the P-V diagram that lead to the same change of state, then the change in internal energy is same in all the cases.
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Calculate the work done by an ideal gas in the thermodynamic process ABCD depicted in the adjoining P-V graph.

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Which is contained in a body in a greater amount: heat or internal energy?

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Heat transferred to the surrounding will increase the internal energy of a system.

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What was the primary form of rent that peasants had to pay to their lords?

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What is the primary agent of mechanical weathering?

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What is the primary motive behind international business?