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Calculate work done is process BC for ...

Calculate work done is process BC for 1 mol of an ideal gas if total 600 cal heat is released by the gas
is whole process

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For cyclic porocess
`dU=0`
`q = - w`
` q= - ( W_(BA)+W_(AC)+W_(CB))`
`- 600 = - (0+(-)2xx(400-300)+ W_(CB))`
`W_(CB)= 800 cal `
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