a gas sample containing 1.46 miles at 25 degrees celsius Question1 23 456 7 8 9

Question

a gas sample containing 1.46 miles at 25 degrees celsius Question1 23 456 7 8 9 10 11 12 13 1415 16 Total Assignment Submission For this assignment, you submit answers by question parts. The number of submissions romaining for each question part Assignment Scoring Your last submission is used for your score 1. O7 points ZumChems 5E o53 A gas sample containing 1.46 mol at 25°C exerts a pressure of 407 torr. Some gas is added to the same container, and the temperature is increased to 50. C. If the pressure increases to 800. torr, how many moles of gas were added to the container? Assume a constant-volume container mol Submit Answer Save Progress Pr Home My Assignments

Explanation / Answer

pressure(P) = 407 torr = 407 / 760 = 0.5355 atm.

ideal gas equation is

PV = nRT

0.5355 * V = 1.46 * 0.0821 * 298

V = 66.7 L

so volume of the container = 66.7 L

New pressure (P) = 800 torr = 800 / 760 = 1.05 atm.

Ideal gas equation is

PV = nRT

1.05 * 66.7 = n * 0.0821 * 323

n = 2.64 mole.

so new moles of gas = 2.64 mole.

moles of gas is added = (2.64 - 1.46) = 1.18 mole

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