Asked by Anonymous

Calculate the heat of reaction for changing 1.00 mol of silica that has been extracted from sand into the pure silicon that is need to make computer chips

Answers

Answered by DrBob222
Si(s) + O2(g) ==> SiO2(s)

Couldn't you just look up the heat of formation of SiO2 from a set of tables and change the sign (for the reaction going the other way)?
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