1.

Consider the following reaction:C (graphite) + O2(g)-> CO2(g) ; ΔΗ -XI calC (diamond) + O2(g)-> CO2(g) ; ΔΗ--X2 calWhat is the heat of transition of graphite intodiamond?(1) x1 + X2(3) X1 - X2(2) X2 X1(4) X1X2

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