Question
Chemistry Question on Thermodynamics
Hesss law states that
A
the standard enthalpy of an overall reactionis the sum of the enthalpy changes in individual reactions
B
enthalpy of formation of a compound is same as the enthalpy of decomposition of but with opposite sign
C
at constant temperature the pressure of agas is inversely proportional to its volume
D
the mass of a gas dissolved per litre of asolvent is'proportional to the pressure of the gas in equilibrium with the solution.'
Answer
the standard enthalpy of an overall reactionis the sum of the enthalpy changes in individual reactions
Explanation
Solution
See Comprehensive Review.