挑战习题
1/5单选题
难度:

1.对于化学反应3W(g)+2X(g)=4Y(g)+3Z(g),下列反应速率关系中,正确的是
A v(W)=3v(Z)
B 2v(X)=3v(Z)
C 2v(X)=v(Y)
D 3v(W)=2v(X)
提示1:
IOeUseWMluWtpuiuoemHj+aVsOWPr+efpe+8jDxpPnY8L2k+77yIV++8ie+8mjxpPnY8L2k+77yIWO+8ie+8mjxpPnY8L2k+77yIWe+8ie+8mjxpPnY8L2k+77yIWu+8iT0z77yaMu+8mjTvvJoz77yb
正确答案:Qw==
55Sx5YyW5a2m6K6h6YeP5pWw5Y+v55+l77yMPGk+djwvaT7vvIhX77yJ77yaPGk+djwvaT7vvIhY77yJ77yaPGk+djwvaT7vvIhZ77yJ77yaPGk+djwvaT7vvIha77yJPTPvvJoy77yaNO+8mjPvvJs8YnI+QeOAgTxpPnY8L2k+77yIV++8iT08aT52PC9pPu+8iFrvvInvvJtB6ZSZ6K+v77ybPGJyPkLjgIEzPGk+djwvaT7vvIhY77yJPTI8aT52PC9pPu+8iFrvvInvvIxC6ZSZ6K+v77ybPGJyPkPjgIEyPGk+djwvaT7vvIhY77yJPTxpPnY8L2k+77yIWe+8ie+8jEPmraPnoa7vvJs8YnI+ROOAgTI8aT52PC9pPu+8iFfvvIk9MzxpPnY8L2k+77yIWO+8ie+8jETmraPnoa7vvJs8YnI+5pWF6YCJQy4g