已知:H 2 O (g) = H 2 O (l) △H = Q1 kJ/mol C 2 H 5 OH (g) = C 2 H 5 OH (l) △H = Q2 kJ/mol C 2 H 5 OH (g) + 3O 2 (g) =2CO 2 (g) + 3H 2 O (g) △H = Q3 kJ/mol。若使23g 酒精液体完全燃烧,最后恢复到室温,则放出热量为(下列式子中Q1、Q2、Q3均取绝对值) [ ]
A.
Q1+ Q2 +Q3
B.
0.5(Q1 + Q2 +Q3)
C.
1.5Q1 -0.5Q2 + 0.5Q3
D.
0.5Q1 -1.5Q2 + 0.5Q3
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