Choose the correct options for the following questions.
A change in enthalpy of a system can be written as:
Difficulty: Easy
A:
$\triangle H = \triangle E + \triangle (PV)$
B:
$\triangle H = \triangle E + V\triangle P + P\triangle V$
C:
$\triangle H = \triangle E + PV$
D:
Both (a) and (b)
The change in heat energy of a chemical reaction at constant temperature and pressure is called:
Difficulty: Easy
A:
Bond energy
B:
Enthalpy change
C:
Heat of submission
D:
Internal energy change
Calorie is equal to:
Difficulty: Easy
A:
418.4J
B:
0.418J
C:
41.84J
D:
4.184J
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