在一密闭容器中有如下反应：L(s)＋aG(g)
bR(g) 温度和压强对该反应的影响如右图所示，
其中压强p1<p2，由此可判断
| A．正反应为放热反应 |
| B．化学方程式中的计量数a>b |
| C．G的转化率随温度升高而减小 |
| D．增大压强，容器内气体质量不变 |
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