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In the reactions, S+ 3/2 O2 to SO3 + 2...

In the reactions,
`S+ 3/2 O_2 to SO_3 + 2x kJ and
SO_2 + 1/2 O_2 to SO_3` + y kJ
Heat of formation of `SO_2`is _________.

A

y-2x

B

x-y

C

2x-y

D

2x+y

Text Solution

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The correct Answer is:
A
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TARGET PUBLICATION-CHEMICAL THERMODYNAMICS AND ENERGETICS -COMPETITIVE THINKING
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  2. Theoretical basis of Hess's law is .

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