- #1
laser1
- 43
- 7
- Homework Statement
- descripion
- Relevant Equations
- PV = nRT
This is chemistry but it's basically physics :D.
I used PV = nRT, I get V = 37.44 L. This is fine. So then I have W = P(Vfinal - Vinitial). Vinitial is zero, because there was no hydrogen gas initially. So I get 3.78 kJ. And as the gas expanded from 0 L to 37.44 L, the gas has done positive work. So the answer (I think) should be 3.78 kJ. The answer given is -3.78 kJ though... Does my logic make sense?
I used PV = nRT, I get V = 37.44 L. This is fine. So then I have W = P(Vfinal - Vinitial). Vinitial is zero, because there was no hydrogen gas initially. So I get 3.78 kJ. And as the gas expanded from 0 L to 37.44 L, the gas has done positive work. So the answer (I think) should be 3.78 kJ. The answer given is -3.78 kJ though... Does my logic make sense?