15Lof a gas at stp is subjected to 4 different conditions of temperature and pressure. In which case volume remain constant?
a) 273K,2 bar
b)273 C, 0.5 atm
c. 273 c and 2 atm
d. 546 c , 1.5 atm

Assuming number of moles as 1. As per the combined gas lawp1V1T1 = p2V2T2V2 = p1V1T2p2T1   Option C if you substituteV2  = 1 × 15 × 5462 × 273     = 15 L

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