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A sample of methane gas, CH4, was collected over water at 25.0 ºC and 730. torr. The volume of the wet gas is 4.64 L. What will be the volume of the dry methane at standard pressure?

A package of pretzels contains 0.145 L of air on the ground where the temperature is 24°C and the atmospheric pressure is 755 torr. If the temperature decreases to 17°C and the pressure decreases to 626 torr when the plane reaches its cruising altitude, w...

What volume will each of the following occupy at STP? (a) 1.05 × 1023 molecules of CH4 (b) 1.8 mol CH4 (c) 33.3 g argon

How many grams of PH3 are present in 477 mL of the gas at STP?

At 23 °C and 745 torr pressure, what will be the volume of 72 mol of SO2 gas? (Enter your answer in scientific notation.)

At what Kelvin temperature will 25.7 grams of oxygen occupy a volume of 13.5 L at a pressure of 650. torr?

Calculate the density of the following gas: CO2 at 42°C and 790 torr:

In the lab, students decomposed a sample of calcium carbonate by heating it over a Bunsen burner and collected carbon dioxide according to the following equation: CaCO3(s) --- > CaO(s) + CO2(g) (a) How many mL of carbon dioxide gas were generated by the d...

Oxygen gas can be generated by the decomposition of potassium chlorate according to the following equation: 2 KClO3(s) --->2 KCl(s) + 3 O2(g)