A cylinder that contains methane gas is kept at a temperature of 15°C and exert a pressure of 7atm.If the temperature of the cylinder increases to 25°C,what pressure does the gas now exert?

2 answers

I don't think we have an tutors in the School Subject "Ellison". I've never heard of it.
since V is constant, and PV=kT,

P/T = k/V is constant. So, you want P such that

P/(273+25) = 7/(273+15)