Chemistry, 07.05.2021 16:00 cameronking019
5. For the reaction: 2 H. (g) + O (g) β 2 HOD. how many grams of water can be made from 175L of oxygen gas and an excess of hydrogen at a pressure of 1254 torr and a temperature of 20.0 C2β
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What are the concentrations of hydroxide and hydronium ions in a solution with a ph of 10.2?
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Inside a flashbulb, oxygen surrounds a thin coil of magnesium. when the flashbulb is set off, a chemical reaction takes place in which magnesium combines with oxygen to form magnesium oxide. which of the chemical equations matches the reaction above? a. mg + o2 mgo2 + energy b. 2mg + o mg2o + energy c. 2mg + o2 2mgo + energy d. mg + o mgo + energy
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Which radioisotope is used to date fossils? a. oxygen-16 b. carbon-14 c. uranium-238 d. carbon-12
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5. For the reaction: 2 H. (g) + O (g) β 2 HOD. how many grams of water can be made from 175L of oxyg...
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