Dimethyl ether, a useful organic solvent, is prepared in two steps. In the first step, carbon dioxide and hydrogen react to form methanol and water:
(g) (g) (l) (l)
In the second step, methanol reacts to form dimethyl ether and water:
(l) (g) (l)
Calculate the net change in enthalpy for the formation of one mole of dimethyl ether from carbon dioxide and hydrogen from these reactions.
Round your answer to the nearest .
Answers: 2
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