Use the information from the diagram to calculate the enthalpy of combustion for methane. Question 2 options:

A)

+752 kJ

B)

–921 kJ

C)

–604 kJ

D)

+604 kJ

Which statement about hf is true? it is zero for any compound in its standard state. it is positive when the bonds of the product store more energy than those of the reactants. it is negative when a compound forms from elements in their standard states. it is zero for any element that is in the liquid state.