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A flask contains 2.5 moles CO2, 7.6 moles Ar, 1.2 moles Kr. The total pressure is 75.0 kPa

As the temperature of the flask was cooled the balloon was pulled into the flask as the volume of the air in the flask reduced. What are the changing and constant variables? Why did the volume...

If two identical sealed flasks, one containing He and one containing Ne, are at the same temperature (298 K) but the pressure of He is 1atm and the pressure of Ne is 0.5 atm, will both flasks contain...

I’m very confused on this question:  1.83cm3 of a liquid of density of 0.803gcm-3 was injected into a syringe maintained at 200 celcius. The liquid vaporised completely and occupied 808.54cm3...

A 7.50 g sample of lithium metal is dropped into 25.0 mL of 1.5 M hydrochloric acid. What volume of hydrogen gas would be evolved once the limiting reactant has been consumed? (The reaction is performed...

What volume of carbon dioxide is produced when 39.6 g of calcium carbonate reacts completely according to the following reaction at 25 °C and 1 atm? calcium carbonate (s) calcium oxide (s) +...

A mixture of hydrogen and nitrogen gases, in a 8.04 L flask at 40 °C, contains 0.289 grams of hydrogen and 12.3 grams of nitrogen. The partial pressure of nitrogen in the flask is ________ atm and...

A container is filled with an ideal gas to a pressure of 15.0 atm at 0°C:   If the volume of the container doubles and the temperature is raised by 25°C, what will the new...