What mass of water forms from hydrogen gas

Reference no: EM13159955

1) A sample of hydrogen gas (H2) is in a 2.89 L container at 731 torr and 16 oC. Express the pressure of hydrogen in atm after the volume has changed to 1.35 L and the temperature is raised to 250 oC. 2)A 37 L cylinder containing helium gas at a pressure of 20.7 atm is used to fill a weather balloon in order to lift equipment into the stratosphere. To what maximum pressure (in atm) could a 174 L balloon be filled. 3)A 23.0 L cylinder containing helium gas at a pressure of 36.3 atm is used to fill a weather balloon in order to lift equipment into the stratosphere. What is the final pressure (in atm) in the cylinder after a 287 L balloon is filled to a pressure of 1.48 atm. 4)The reaction of magnesium metal with HCl yields hydrogen gas and magnesium chloride. What is the volume, in liters, of the gas formed at 755 torr and 17 oC from 2.69 g of Mg in excess HCl? (Hint, first write the balanced equation.) What mass of water (in grams) forms from the reaction of 2.49 L of hydrogen gas and 1.92 L of oxygen gas? Both gases are at 738 torr and 27.3 oC

Reference no: EM13159955

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