Thermochemistry

MM

Mashaal Masha

Oct 18, 2022

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