Part A) A sample of a gas at 25C and 1 0 atmpressure has a volume of 2...

Part A) A sample of a gas at 25Â°C and 1.0 atm pressure has a volume...

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Chemistry

Part A) A sample of a gas at 25Â°C and 1.0 atmpressure has a volume of 2.5 L. The container is allowed to expanduntil the pressure is 0.85 atm and the temperature is 15Â°C. Thefinal volume of the gas is __________ L.
Part B) A reaction is carried out that produceshydrogen gas. The gas is collected in an inverted beaker over waterat 25 ^oC. The vapor pressure of water at 25^oC is 23.78 mmHg. The total pressure in the beaker isdetermined to be 755.3 torr. What is the partial pressure (in unitsof torr) of the hydrogen gas in the beaker?
Part C) CH₃SH gas and NH₃ gas both have strong distinctive odors. Ifcontainers of each of these two gases are opened at the front of aroom at the same time, which one will be smelled first by thepeople sitting in back of the room?
A.
CH₃SH
B.
NH₃
C.
Since they are ate the same temperature they will both diffuseat the same rate so will be smelled at the same time.
D.
Neither will diffuse to the back of the room so they will not besmelled by the people in the back of the room.

Answer & Explanation Solved by verified expert

4.4 Ratings (598 Votes)

PartAassuming the gas behaves as an ideal gas we use the followingequationPV nRTThe moles n are preserved in state 1 and state 2 being a closedcontainerHence n2 n1State 2 iState 1 iiequalize i with ii and we solve for See Answer

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A.		CH₃SH
B.		NH₃
C.		Since they are ate the same temperature they will both diffuseat the same rate so will be smelled at the same time.
D.		Neither will diffuse to the back of the room so they will not besmelled by the people in the back of the room.