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1.) Aluminum reacts with hydrochloric acid to produce aluminum chloride and hydrogen gas.
2Al(s) + 6HCl(aq) -> 2AlCl3(aq) + 3H2(g)

What mass of H2(g) is required from the reaction of 0.75 g of Al(s) with excess hydrochloric acid?

2.) The reaction of coal and water at a high temperature produces a mixture of hydrogen and carbon monoxide gases. This mixture is known as synthesis gas (or syngas). What mass of water is required for the formation of 175 grams of carbon monoxide?
C(s) + H20(g) -> H2(g) + CO(g)

3.) Nitroglycerine decomposes violently according to the chemical equation below. What mass of carbon dioxide gas is produced from the decomposition of 5.00 g C3H5(NO3)3?
__C3H5(NO3)3 (l) -> __CO2 (g) + __N2 (g) + __H2O (g) + __O2 (g)

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