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Janusz
办美国文凭加拿大文凭澳洲文凭英国文凭学位证毕业证成绩单
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![[Chemistry] For the balanced chemical reaction 2H2 + O2 → 2H2O If you have 18 molecules of H2, how](http://i.ytimg.com/vi/uMY1PRCmFJo/mqdefault.jpg "[Chemistry] For the balanced chemical reaction 2H2 + O2 → 2H2O If you have 18 molecules of H2, how")
![[Chemistry] Higher yield of NO in 2 2 N (g) O 2NO(g) + can be obtained at [∆H of the reaction](http://i.ytimg.com/vi/MztUEg6MHOs/mqdefault.jpg "[Chemistry] Higher yield of NO in 2 2 N (g) O 2NO(g) + can be obtained at [∆H of the reaction")
