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Calculate DeltaH^(@) for the reaction : ...

Calculate `DeltaH^(@)` for the reaction :
`Na_(2) O + SO_(3) to Na_(2) SO_(4)` given the following :
A) `Na_((s)) + underset((1))(H_(2)O) to NaOH_((s)) + (1)/(2) H_(2 (g)) , Delta H^(@) = -146kJ`
B) `Na_(2) SO_(4 (s)) + underset((1))(H_(2)O) to 2 NaOH_((s)) + SO_(3 (g)) , Delta H^(@) = +418 kJ`
C) `2 Na_(2) O_((s)) + 2 H_(2 (g)) to 4 Na_((s)) + 2 H_(2) O_((l)) , DeltaH^(@) = +259` kJ

A

`+823KJ`

B

`-580.5KJ`

C

`-435KJ`

D

`+531KJ`

Text Solution

Verified by Experts

The correct Answer is:
B
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