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Given that (1)/(2)S(8(s)) + 6O(2(g)) rar...

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

A

`-1590 kJ mol^(-1)`

B

`-397.5 kJ mol^(-1)`

C

`-3.975 kJ mol^(-1)`

D

`+397.5 kJ mol^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
B
`4 rarr -1590`
`1 rarr` ?
`Delta H_(f) = - 397.5` KJ/mole
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AAKASH SERIES-CHEMICAL THERMODYNAMICS-LECTURE SHEET (EXERCISE-II) (LEVEL - I(MAIN) STRAIGHT OBJECTIVE TYPE QUESTIONS)
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  5. Identify the reaction in which the heat liberated corresponds to the h...

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  6. In which of the following equations Delta H^(0) reaction equal to Delt...

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  7. C("graphite") + O(2(g)) : Delta H = -393.5 kJ. Delta H of the above re...

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  8. Given that (1)/(2)S(8(s)) + 6O(2(g)) rarr 4SO(3(g)), Delta H^(0) = - 1...

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  18. The enthalpy change for the reaction C(2)H(6(g)) rarr 2C((g)) + 6H((g)...

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