| 1 |
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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| 2 |
One of the following statements about Born-Haber cycle is correct. Which is that statement |
- A. Born-Haber cycle is different from Hess's law
- B. The energy change in a cyclic process is not zero
- C. The lattice energy of the crystalline substances can be calculated easily
- D. Heat of formation of the product and the lattice energy of the substance can be calculated simultaneously
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| 3 |
If an endothermic reaction is allowed to take place very rapidly i the air, the temperature fo the surrounding air. |
- A. Remains constant
- B. Increase
- C. Decrease
- D. Remain unchanged
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| 4 |
The pressure of oxygen inside the bomb calorimeter is. |
- A. 100 atm
- B. 50 atm
- C. 25 atm
- D. 20 atm
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| 5 |
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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| 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 |
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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| 8 |
At constant volume of a system remains constant and the heat is absorbed by the system, them amount of heat absorbed is called |
- A. Enthaply change of the system
- B. Internal energy change of the system
- C. Total enthalphy of the system
- D. Total internal energy of the system
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| 9 |
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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| 10 |
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
|