The reason is that the main product of combustion, zinc sulphide, is not present in the list of reaction species.
原因是主要产品的燃烧，硫化锌，是不在场，在清单中的反应物种。
And if we know G for all the species G involved in a chemical reaction, we should be able to calculate the chemical equilibrium.
如果我们知道，了关于所有参与，反应的化学物质的，我们就能够计算出化学平衡。
The integrated rate law shows how the concentration of the species in the reaction depends on time.
积分速率定律表明了在反应中物种的浓度是如何受时间的影响的。
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