13) If a 25 kg LPG tank is 30% butane (C4H10) , how many molecules of butane are contained in the tank? A) 2.60 x 1023 molecules B) 2.60 x 1026 molecules C) 7.79 x 1019 molecules D) 7.79 x 1022 molecules E) 7.79 x 1025 molecules

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L) I, 2
13) If a 25 kg LPG tank is 30% butane (C4H10), how many molecules of butane are contained in the tank?
A) 2.60 x 1023 molecules
B) 2.60 x 1026 molecules
C) 7.79 x 1019 molecules
D) 7.79 x 1022 molecules
E) 7.79 x 1025 molecules
14) High pressures are needed to condense gases to a liquid phase in the containers. The gases vaporize as they are released from.
the container. If 0.74 moles of gas are released into a balloon, what volume will it occupy if the atmospheric pressure is 1.01
atm and the temperature is 22.6 °C?
A) 1.36 L
B) 15.8 L
C) 17.8 L
D) 22.4 L
E) 1820 L
Transcribed Image Text:L) I, 2 13) If a 25 kg LPG tank is 30% butane (C4H10), how many molecules of butane are contained in the tank? A) 2.60 x 1023 molecules B) 2.60 x 1026 molecules C) 7.79 x 1019 molecules D) 7.79 x 1022 molecules E) 7.79 x 1025 molecules 14) High pressures are needed to condense gases to a liquid phase in the containers. The gases vaporize as they are released from. the container. If 0.74 moles of gas are released into a balloon, what volume will it occupy if the atmospheric pressure is 1.01 atm and the temperature is 22.6 °C? A) 1.36 L B) 15.8 L C) 17.8 L D) 22.4 L E) 1820 L
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