- #31
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##P_1V_1 = nRT_1##. Solve your initial condition to find the number of moles of the gas. Since this does not change, plug that into ##P_2 V_2 = nRT_2##.Tasha Clifford said:
-Dan
Gas law problem (changing volume, temperature and pressure)
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Homework Help Overview
The discussion revolves around a gas law problem involving the volume, temperature, and pressure of a gas. The original poster seeks to determine the volume of a gas collected at 40°C and 75mmHg when it is adjusted to standard temperature and pressure (STP) conditions.
Discussion Character
- Exploratory, Assumption checking, Problem interpretation
Approaches and Questions Raised
- Participants discuss the initial and final conditions of the gas, with some questioning the clarity of the problem statement. There are attempts to clarify the definition of STP and its implications for the problem. Some participants express confusion regarding the pressure values associated with STP.
Discussion Status
The discussion is ongoing, with participants exploring different interpretations of the problem and clarifying the conditions required for solving it. Some guidance has been offered regarding the use of the combined gas equation and the ideal gas law, but no consensus has been reached on the correct approach or values to use.
Contextual Notes
There is confusion regarding the pressure values for STP, with references to both 750mmHg and 760mmHg. Participants also note the importance of correctly identifying the initial and final conditions for the gas in question.
-Dan
- #32
Tasha Clifford
- 19
- 5
Oktopsquark said:
- #33
Tasha Clifford
- 19
- 5
Please how did you type the equation , i see it as( ##P_1V_1 = nRT_1##)topsquark said:
but it actually appears in the message itself as the ideal gas equation ??
Last edited:
- #34
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