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Hydrogen gas (2.02 g/mol) can be produced from the reaction of methane (16.05 g/mol) and water vapor according to the following reaction equation: CH4(g) + H2O(g) –> CO(g) + 3H2(g) If 262 g of CH4 reacts with excess H2O at 423.15 K and 0.862 atm, what volume of H2 gas will form? Do not include units in your answer, just the number in L.

Which of the following compounds is a non-electrolyte?

How many moles of propane are contained in a 5.00L tank at 450 torr and 25

How many grams of manganese (III) oxide (157.87 g/mol) can be produced from the reaction of 13.00 g of MnO2 (86.94 g/mol) with 11.00 grams of zinc (65.38 g/mol) according to the following balanced reaction? 2 MnO2(s) + Zn(s)  →  Mn2O3 + ZnO (aq)

What are the units of molar concentration, M?  

10.0 g of hydrogen gas (2.016 g/mol) is reacted with excess oxygen gas to produce water vapor (18.0 g/mol) at 0.982 atm and 300.15 K. What volume of water vapor in L will be produced by this reaction?  2H2(g) + O2(g) –> 2H2O(g) Do not include units in your answer, just the number in L.

How many sigma and pi bonds are in the molecule below? Hint: some of the bonds may be hidden! [sigma] number of sigma bonds [pi] number of pi bonds

A balloon is filled with 3.00L of helium at a pressure of 765 torr. What is the volume of the balloon at an altitude where the pressure is 530 torr if the temperature remains constant?

Which of the following statements regarding how gases occupy container volumes is NOT correct?

How many chlorine atoms are there in 16.0 g of carbon tetrachloride (CCl4, 153.82 g/mol)?