charquitarandal3104 charquitarandal3104

20-10-2017
Chemistry

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Write the balanced chemical equation that represents the standard heat of formation of cro3(s) at 298 k.

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meerkat18 meerkat18

31-10-2017

The standard heat of formation is the heat released or absorbed when you obtain the CrO₃ compound. So, the reaction basically involves the individual elements of the compound. The complete balanced chemical reaction for the formation of CrO₃ is:

2 Cr + 3 O₂ → 2 CrO₃

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