问题
选择题
Soon after dinner, Wayne drove off ____ the direction of Paris. [ ]
A. to
B. at
C. for
D. in
答案
答案：D
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Soon after dinner, Wayne drove off ____ the direction of Paris. [ ]
A. to
B. at
C. for
D. in
答案：D
cC(s)+dD,当反应进行到第t min时,测得A减少了n mol,B减少了n/2 mol,C增加了3n/2 mol,D增加了n mol。此时反应达到平衡。