Since the enthalpy of elements in their natural state is taken to be zero, the heat of formation of compounds |
|||
a) |
Is always negative |
b) |
Is always positive |
c) |
May be negative or positive |
d) |
Is zero |
Since the enthalpy of elements in their natural state is taken to be zero, the heat of formation of compounds |
|||
a) |
Is always negative |
b) |
Is always positive |
c) |
May be negative or positive |
d) |
Is zero |