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What is the change in internal energy of...

What is the change in internal energy of a substance when it is heated?

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Change in internal energy of a system is

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What is the change in internal energy in an isothermal process?

In the process AtoBtoC , the change in internal energy of the system in the steps AtoB and B to C are -x jK*mol^(-1) and ykJ*mol^(-1) , respectively. What will be the change in internal energy of the system in the step C toA ?

What will be the change in internal energy if 10 g of air is heated from 20^(@)C to 30^(@)C at constant volume? Given , for air, c_(v) = 0.17 cal cdot g^(-1) cdot^(@)C^(-1) .

The internal energy of a substance actually means

An amount of work w is done by a system and q amount of heat is supplied to the system . By which of the following relations the change in internal energy of the system can be expressed ?

The initial state of a system is A. this system participates in the following process: A to B to CtoA . What will be the change in internal energy of the system is this process?

CHHAYA PUBLICATION-FIRST AND SECOND LAW OF THERMODYNAMICS-Exercise - Very Short Answer Type Questions (Mark 1)
  1. Is magnetic moment intensive or extensive variable?

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  2. What would be the amount of heat required to increase the temperature ...

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  3. What is the change in internal energy of a substance when it is heated...

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  4. On which factor does the internal energy of a certain amount of an ide...

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  5. Will there by any change in the internal energy of a certain amount of...

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  6. In case of expansion of a gas, would the work done by the gas be posit...

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  7. What is the SI unit of molar specific heat?

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  8. First law of thermodynamics is the mathematical form of a universal la...

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  9. How many types of specific heat of a gas are used in practice?

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  10. How many types of molar specific heat of a gas are used in practice?

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  11. Which is greater - specific heat at constant volume, C(v) or specific ...

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  12. How is the heat supplied to a substance in an isothermal process used?

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  13. In which process does the heat accepted or rejected become zero?

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  14. Is reversible process slow or first?

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  15. Which process does not suffer dissipative forces-reversible or irrever...

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  16. Is isothermal process slow or fast?

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  17. Is adiabatic process slow or fast?

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  18. Is rusting of iron reversible process?

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  19. The sum of kinetic and potential energies of the molecular of a substa...

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  20. In a process, if dU, dW and dQ are change in internal energy, work don...

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