【简答题】我们永远无法了解一个事物的本来面目,因为我们的存在就影响了研究的对象。 We can never understand something as it really is because our very ____________ affects what is being studied.
【单选题】在碱性溶液中,已知前两个反应的K c 值,则反应(3)的K c 值为............( ) (1) 2S(s) + S 2- (aq) S 3 2- (aq) K c 1 = 13.0 (2) S(s) + S 2 2- (aq) S 3 2- (aq) K c 2 = 10.8 (3) S(s) + S 2- (aq) S 2 2- (aq) K c