10.0 liters of oxygen are contained in a diver's tank at 20.0°C and 2.0 atm pressure. What is the pressure when the tank is left exposed to the sun and it is heated to 45°C?
V is constant...so...
P1 / T1 = P2 / T2
P2 = P1 x (T2 / T1) = 2.0 atm x (318K / 293K) = 2.2 atm.. 2 sig figs.
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