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The internal energy of a system can be c...

The internal energy of a system can be changed by

A

heat flow into the system

B

work done by the system

C

work done on the system

D

All of these

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CHETANA PUBLICATION-Chemical Thermodynamics-EXERCISE
  1. The activation energy of exothermic reaction is 20 kj. The heat of the...

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  2. Translational energy is not prossessed by

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  3. The internal energy of a system can be changed by

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  4. The change in the internal energy of a system for 1 mole of a gas is e...

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  5. The molar heat capacity of water is if its specific heat capacity is 4...

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  6. For two moles of an ideal gas, which of the following is true?

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  7. Which of the following is true?

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  8. The molar heat capacity of water is if its specific heat capacity is 4...

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  9. Calculate the heat of reaction at 298 K for the reactionC2H(4(g)) + H2...

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  10. The enthalpies of elements in their standard states are taken as

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  11. The standard heat of formation of diamond is

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  12. Which of the following values of DeltafH represents the least stable p...

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  13. The enthalpies of formation of N2O and NO at 298 K are 82 and 90 kJ mo...

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  14. The latent heat of vaporization of a liquid at 500 K at1atm pressure i...

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  15. For a gaseous reaction involving complete combustion of isobutane,

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  16. The difference between DeltaH and DeltaU for the combustion of methane...

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  17. Enthalpy of combustion of carbon is -395 kj.The amount of carbon neede...

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  18. The heats of combustion of hydrogen, carbon monoxide and methane are -...

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  19. The decreasing order of calorific values is

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  20. The heat evolved in the combustion of glucose (C6H(12)O6) is given by ...

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