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## Homework Statement

A gas mass 0.115kg undergoes an increase in volume from 0.25m cubed to 0.56m cubed. initial temp 32 degrees c and initial pressure 1.2bar. work out heat transfer??

## Homework Equations

W=P1V1 ln(V2/V1)

W=mRT ln(V2/V1)

P1V1/T1=P2V2/T2

Q=U2-U1+W

PV=mRT

## The Attempt at a Solution

loads but non worked