Finding Pressure when given change in temperature

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To find the new pressure of methane in a flask when heated from 28°C to 164°C, the ideal gas law can be applied. The relationship P1/T1 = P2/T2 is used, where P1 is the initial pressure, T1 is the initial temperature in Kelvin, P2 is the final pressure, and T2 is the final temperature in Kelvin. After converting temperatures and solving the equation, the new pressure is calculated to be approximately 1.6485 atm. The calculation shows that significant digits may be excessive, but the result is otherwise accurate. This demonstrates the application of gas laws in determining pressure changes with temperature.
Timmey19
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I have this problem: A 1.8L flask is filled with methane,CH4, at 863mmHg and 28C. if the flask is then heated to 164C what is the new pressure in atm?(assume ideal gas behaviour)

I know i need to use on of the gas laws but none of them seem to fit the picture.
thanks
 
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Ive done some working
am i right in using P1V1/N1T1=P2V2/N2T2?

therefore P1/T1 = P2/T2
(using atm and K) 1.135526313/301 = P2/437
P2 = 1.6485 atm
 
Way too many significant digits, but otherwise OK.
 

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