This is known as Hess law.

这就是所谓的盖斯定律。

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First one is Hess 'Law.

首先是盖斯定律。

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Hess 'Law states that for any chemical reaction, the energy change is path independent.

盖斯定律表明，对于任意化学反应，能量变化并非是路径依赖的。

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Mr. Hess hitched his horse to the tree.

赫斯先生把马拴在树上。

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Mr. Hess hitched his horse to the tree.

赫斯先生把马拴在树上。

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