A necessary condition for an adiabatic change is:

1. ∆T = 0

2. ∆P = 0

3. q = 0

4. w = 0

Subtopic:  Thermodynamics' Properties and process |
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The enthalpy of formation of all elements in their standard state is-

1. Unity 2. Zero
3. Less than zero 4. Different for each element
Subtopic:  Thermodynamics' Properties and process |
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The amount of heat needed to raise the temperature of 60.0 g of aluminium from 35°C to 55°C would be:

(Molar heat capacity of Al is \(24\) \(J\) \(\text{mol}^{- 1}\) \(K^{- 1}\))

1. \(1 . 07\) \(J\) 2. \(1 . 07\) \(kJ\)
3. \(106 . 7\) \(kJ\) 4. \(100 . 7\) \(kJ\)
Subtopic:  Thermodynamics' Properties and process |
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