【判断题】若某反应的活化能为0,则温度不影响反应速率。
【单选题】若某反应的活化能为80KJ/mol,则反应温度由20度增加到30度,其反应速率常数约为原来的( )。
【单选题】The teacher always tells her students that only if __________ hard _________ achieve success.
A.
do they work, will they
B.
do they work, they will
【单选题】Bill always does ______ he pleases, without regard to the feelings of others.
【简答题】若某反应的活化能为80kJ·mol -1 ,则反应温度由20℃增加到30℃,其反应速率常数约为原来的 (A) 2倍 (B) 3倍 (C) 4倍 (D) 5倍