If a physical and chemical change takes place at a constant pressure then the heat change during the process is called__________________?

Related Mcqs:

Forces of attraction which may be present between all kinds of atoms and molecules are _____________________?

A. intramolecular B. intermolecular C. van der Waal D. Dipole-induced dipole...

Water has maximum density at __________________?

A. 0°C B. 2°C C. 4°C D. 100°C...

The pressure during the molar heat of fusion is kept________________?

A. 0 atmosphere B. one atmosphere C. 2 atmosphere D. 10 atmosphere...

All the enthalpy changes are________________?

A. Negative B. Positive C. May or may not be A or B D. none...

Crystallites are present in_________________?

A. crystalline solids B. amorphous solids C. liquid crystals D. all of the above...