| 1 |
The sum of all kinds of energies of atoms, ions or molecules of a system is known as. |
- A. Kinetic energy
- B. Potential energy
- C. Internal energy
- D. Solar energy
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| 2 |
Born Haber cycle is used to determine the |
- A. Lattice energy
- B. Enthalpy of formation
- C. Enthalpy of ionization
- D. Enthalpy of dissociation
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| 3 |
the value of delta H and delta E for liquids and solids is almost same because. |
- A. No change in temperature
- B. Heat absorbed
- C. No change in volume
- D. Heat evolved
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| 4 |
Which substance have delta E = Delta H and no pressure - volume work. |
- A. Liquids only
- B. Solids only
- C. Gases only
- D. Liquids and solids
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| 5 |
The born Haber cycle is the best application of law. |
- A. Boyle's
- B. Dalton's
- C. Hess's
- D. Graham's
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| 6 |
Which process is endothermic and spontaneous |
- A. Neutralization of NaOH with HCl
- B. Formation of NH3 from H2 and N2
- C. Formation of H2O from H2 and O2
- D. Evaporation of sea water
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| 7 |
Standard enthalpy of combustion of carbon is -394 kJ mol-1 than, which is the standard enthalpy of formation of CO2 |
- A. +394 kJ
- B. -394 kJ
- C. 0 kJ
- D. +197 kJ
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| 8 |
For a given process, the heat chagnes of constant pressure and at constant volume are related to each other as. |
- A. qp= qv
- B. qp<qv
- C. qp>qv
- D. None of these
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| 9 |
The net change in a chemical reaction is same whether it takes place directly or indirectly is |
- A. Henry's law
- B. Charles's
- C. Hess's lass
- D. Graham's law
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| 10 |
What happens to the enthalpy change when the coeffficients of a chemical equation are douubled |
- A. It doubles
- B. It becomes half
- C. It does not change
- D. It cannot be predicted
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