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**[SOLVED] Thermal Processes**

**1. Homework Statement**

With the pressure held constant at 240 kPa , 42 mol of a monatomic ideal gas expands from an initial volume of 0.75 meters cubed to a final volume of 2.0 meters cubed.

a)How much work is done by the gas during expansion?

b)What were the initial and final temperatures?

c)what was the change in the internal energy of the gas?

d)How much heat was added?

I know the anwser for a) is 3.0*10^5

i cant find the other three

can someone please help