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For the reaction A(g)+2B(s)toC(l)+D(g)...

For the reaction
`A(g)+2B(s)toC(l)+D(g)," "Delta H=-40 kJ//"mole"`
10 mole of each A and B are mixed in a closed rigid container and allowed to react at 300 K. Calculate the heat transfer (in kJ) occurs in the process.
[Use : `R=8.3 "J"//"K-mole"`]

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