enthalpy titration

例句：

1. 1. The heat of the reaction is a measure of how much energy it releases.
   反应的热量是释放能量的量度。
2. 2.The entropy of the universe is increasing as new particles are created.
   宇宙的熵在不断增加，因为新的粒子被创造出来。
3. 3. The enthalpy of mixing two liquids depends on their molecular weights and densities.
   混合两种液体的焓取决于它们的分子量和密度。