Consider the following intermediate reactions. 2 equations. First: upper C upper H subscript 4 (g) plus 2 upper O subscript 2 (g) right arrow upper C upper O subscript 2 (g) plus 2 upper H subscript 2 upper O (g). Delta H 1 equals negative 802 kilojoules. Second: 2 upper H subscript 2 upper O (g) right arrow 2 upper H subscript 21 upper O (l). Delta H subscript 2 equals negative 890 kilojoules. The overall chemical reaction is as follows. Upper C upper H subscript 4 (g) plus 2 upper o subscript 2 (g) right arrow upper C upper O subscript 2 (g) plus 2 upper H subscript 2 upper O (l). What is the correct enthalpy diagram using the Hess law for this system?.
