Chemistry question? (Gas Laws)

Asked by Melody12234 (101

) March 25th, 2019 from iPhone

If I initially have 4.1 L of gas at STP, what will the volume be if I increase the pressure to 3.5 atm, and the temperature drops to 200. K?

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3 Answers

P1V1/T1=P2V2/T2

Caravanfan (13876

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What is STP? Some people say 32 F, but that isn’t standard, that is cold.

And 14.7 PSI x 3.5 = about 50 psi. I woul guess the gas gets compact.

Don’t you have a formula to plug the numbers into?

zenvelo (39548

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Use the formula caravanfan provided for 4.1L of an ideal gas and solve for V2.

In chemistry, IUPAC changed the definition of standard temperature and pressure (STP) in 1982:

Until 1982, STP was defined as a temperature of 273.15 K (0 °C, 32 °F) and an absolute pressure of exactly 1 atm (101.325 kPa).
Since 1982, STP is defined as a temperature of 273.15 K (0 °C, 32 °F) and an absolute pressure of exactly 105 Pa (100 kPa, 1 bar).

Pinguidchance (5040

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