①CH4(g)+H2O(g)⇌CO(g)+3H2(g)△H1
②CO(g)+2H2(g)⇌CH3OH(g)△H2
将0.20mol CH4(g)和0.30mol H2O(g)通入容积为10L的密闭容器中,在一定条件下发生反应①,达到平衡时,CH4的转化率与温度、压强的关系如图.
已知函数 f(x)=|2x+1| .
Look! Betty and Bruce _________ in the art room.