1.

Given that (1)/(2)S_(8(s)) + 6O_(2(g)) rarr 4SO_(3(g)), Delta H^(0) = - 1590kJ. The standard enthalpy of formation of SO_(3) is

Answer»

`-1590 KJ MOL^(-1)`
`-397.5 KJ mol^(-1)`
`-3.975 KJ mol^(-1)`
`+397.5 KJ mol^(-1)`

ANSWER :B


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