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A scientist measures the standard enthalpy change for the following reaction to be -230.2 kJ : 250,(9) +0,() >2503(g) Based o

A scientist measure the standard enthaply change for the following reaction to be -230.2kJ
2SO2(g) +O2(g)=2SO3(g)
Based on this value and the standard enthalpies of formation for the other substances, the standard enthaply of formation of SO3(g) is

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OH (le3mal) euspoauds - 216.) Sos ) Znoni(pmucs) nO readant s0) &so, l) to (7) AH 4H (sos) 2 x AH (s02)-2(-216.1) +0 -230 2 1

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