Part A) Find the pressure in mmHg of a 0.124 g sample of helium gas in...
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Part A) Find the pressure in mmHg of a 0.124 g sample of heliumgas in a 649 mL container at 34 ∘C. Express the pressure to threesignificant figures and include the appropriate units.
Part B) xture with a total pressure of 770 mmHg contains each ofthe following gases at the indicated partial pressures: 140 mmHgCO2, 112 mmHg Ar, and 128 mmHg O2. The mixture also contains heliumgas.
What is the partial pressure of the helium gas?
What mass of helium gas is present in a 23.0-L sample of thismixture at 263 K ?
Part C)Â Â cylinder with a moveable piston contains 0.76mol of gas and has a volume of 337 mL .
What is its volume after an additional 0.26 mol of gas is addedto the cylinder? (Assume constant temperature and pressure.)
Express your answer to three significant figures.
Part D) A gas mixture with a total pressure of 770 mmHg containseach of the following gases at the indicated partial pressures: 140mmHg CO2, 112 mmHg Ar, and 128 mmHg O2. The mixture also containshelium gas.
What mass of helium gas is present in a 23.0-L sample of thismixture at 263 K ?
Express your answer in grams.
Part A) Find the pressure in mmHg of a 0.124 g sample of heliumgas in a 649 mL container at 34 ∘C. Express the pressure to threesignificant figures and include the appropriate units.
Part B) xture with a total pressure of 770 mmHg contains each ofthe following gases at the indicated partial pressures: 140 mmHgCO2, 112 mmHg Ar, and 128 mmHg O2. The mixture also contains heliumgas.
What is the partial pressure of the helium gas?
What mass of helium gas is present in a 23.0-L sample of thismixture at 263 K ?
Part C)Â Â cylinder with a moveable piston contains 0.76mol of gas and has a volume of 337 mL .
What is its volume after an additional 0.26 mol of gas is addedto the cylinder? (Assume constant temperature and pressure.)
Express your answer to three significant figures.
Part D) A gas mixture with a total pressure of 770 mmHg containseach of the following gases at the indicated partial pressures: 140mmHg CO2, 112 mmHg Ar, and 128 mmHg O2. The mixture also containshelium gas.
What mass of helium gas is present in a 23.0-L sample of thismixture at 263 K ?
Express your answer in grams.
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