1)
volume V1 = 6.64 L
V2 = ??
temperature T1 = 296.0 K
pressure P1 = 739 torr
temperauture T2 = - 21 oC = 252.15 K
pressure P2 = 373 torr
P1 V1 / T1 = P2 V2 / T2
739 x 6.64 / 296 = 373 x V2 / 252
V2 = 11.2 L
volume = 11.2 L
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