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Hello! I have a chemistry question about Ideal Gases

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A tire is inflated to a gauge pressure of 28.0 psi at 18 °C. After several hours of driving, the gauge pressure in the tire is 34.0 psi. What is the temperature in the tire in °C? Assume volume changes are negligible. 

Please be as detailed as you can to show me how to perform this. The correct answer is 58.9 °C, but I do not understand how you achieve this answer. I assume you use one of the Ideal Gas Law equations, but when I try - I haven't got the right answer. Thank you :)

Oct 21st, 2017

P1T1=P2T2

convert 18 celsius to kelvin=291.15

28*291.15=34T2, T2=239.77 K

convert 239.77 K to degree celcius



Apr 18th, 2015

there must have been something wrong with the units, I'm still checking, hold up

Apr 18th, 2015

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Oct 21st, 2017
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Oct 21st, 2017
Oct 22nd, 2017
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