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 |
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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3 |
A chemical change always involve |
- A. Absorption of heat
- B. Evolution of heat
- C. Either absorption or evolution of heat
- D. The liberation of heat and light energy
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4 |
The standard heat of formation is measured at 1 atmosphere and |
- A. 0 <sup>o</sup>C
- B. 100 <sup>o</sup>C
- C. 293 <sup>o</sup>C
- D. 25 <sup>o</sup>C
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5 |
Which of the following value of heat of formation indicates that the product is least stable. |
- A. -94 KJ
- B. -231.6 KJ
- C. +21.4 KJ
- D. +70 KJ
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6 |
The heat contents of the system of known as. |
- A. Entropy
- B. Enthalpy
- C. Work
- D. Free energy
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7 |
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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8 |
For a given process, the heat change at constant pressure (q<sub>p</sub>) and at constant volume (q<sub>v</sub>) are related to each other as |
- A. q<sub>p</sub>= q<sub>v</sub>
- B. q<sub>p</sub>< q<sub>v</sub>
- C. q<sub>p</sub>> q<sub>v</sub>
- D. q<sub>p</sub>= q<sub>v</sub>/2
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9 |
Which is not is state function |
- A. Enthalpy
- B. Entropy
- C. Pressure
- D. work
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10 |
Standard enthalpy change when one mole of compound is formed from their elements at standard state is. |
- A. Heat of formation
- B. Standard heat of formation
- C. Heat of combustion
- D. Standard Heat of neutralization
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