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22. (6 points) A sample of methane, CH4, occupies a volume of 202.0 mL at 25°C and exerts a pressure of 455.0 mmHg. If t
Posted: Thu Jul 07, 2022 1:44 pm
by answerhappygod
- 22 6 Points A Sample Of Methane Ch4 Occupies A Volume Of 202 0 Ml At 25 C And Exerts A Pressure Of 455 0 Mmhg If T 1 (27.38 KiB) Viewed 40 times
22. (6 points) A sample of methane, CH4, occupies a volume of 202.0 mL at 25°C and exerts a pressure of 455.0 mmHg. If the volume of the gas is allowed to expand to 390.0 mL at 345 K, what will be the pressure of the gas? =.2024. PV=nRT 243 2 455.4 Hy J 202 2 7 0.08206 2² 202.0x 202.00 (4.55,0)(2024) = n(0.08206) (298) 91.9= 24.5 n 24.55 23. (5 points) What is the density of 731 mm Hg of O2 gas at 268 K? n=3.75mmity 7311 =1962 atm x 268 k = 257,816121 760 1258