A fixed amount of ideal gas held at constant volume has its temperature increase

Question

A fixed amount of ideal gas held at constant volume has its temperature increased from 400K to 500K. If it's initial gauge pressure at 400K is pg = 3.00 atm, what is its gauge pressure once it reaches 500K? A) 3.75 ATM B) 5.00 ATM C) 4.00 ATM D) 2.50 ATM A fixed amount of ideal gas held at constant volume has its temperature increased from 400K to 500K. If it's initial gauge pressure at 400K is pg = 3.00 atm, what is its gauge pressure once it reaches 500K? A) 3.75 ATM B) 5.00 ATM C) 4.00 ATM D) 2.50 ATM A) 3.75 ATM B) 5.00 ATM C) 4.00 ATM D) 2.50 ATM

Explanation / Answer

from isochoric law P1/P2=T1/T2

=> P2=(T2/T1)*P1

=> P2=( 500/400) * 3 atm

P2= 3.75 atm ans

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