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22mL of hydrogen was collected

22mL of hydrogen was collected over wter at 19C and 745mmHg. What mass of magnesium is reacted (1:1 mole ratio)
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How many grams of hydrogen are collected in a reaction where 1.80L of hydrogen gas is collected over water at a temperature of
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103.5 mL of hydrogen are collected over water at 22.2 degrees Celsius and 758.2 torr from reaction with 0.1356 grams of alloy.
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a 4.22 gram sample of copper II sulfide was added to excess hydrocholoric acid with hydrogen sulfide gas being generated and
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2. asked by Susan Shoemaker
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So the question I have is:Calculate the pressure of dry hydrogen collected. (Use the water temperature). And the evidence that
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2. asked by amy
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Determine the theoretical and percent yield of hydrogen gas is 36 g of water undergoes electrolysis to produce hydrogen and
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2. asked by Elle
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Determine the theoretical and percent yield of hydrogen gas if 78.0 g water undergoes electrolysis to produce hydrogen and
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2. asked by Anonymous
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Determine the theoretical and percent yield of hydrogen gas if 78.5 g water undergoes electrolysis to produce hydrogen and
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2. asked by Charles
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Determine the theoretical and percent yield of hydrogen gas if 78.5 g water undergoes electrolysis to produce hydrogen and
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2. asked by franklin
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Some hydrogen gas is collected over water at 20.0 Cel. and the levels inside the container is the same. The partial pressure of
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2. asked by Star
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