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Shale is a sedimentary rock that can can be metamorphosed into slate by

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Chemistry, 22.06.2019 10:50

How many grams of oxygen gas are contained in a 15 l sample at 1.02 atm and 28°c? show your work.

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Chemistry, 22.06.2019 16:00

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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Chemistry, 22.06.2019 16:30

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Chemistry, 22.06.2019 17:00

Which statement is true about a catalyst? a: a catalyst decreases the rate of the reaction. b. a catalyst is consumed during a chemical reaction. c. a catalyst lowers the activation energy of a reaction. d. a catalyst increases the reactant concentration during a reaction.

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