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An atom of an element has 5 electrons in l-shell.
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Calculate the number of molecules present in 0.750 mol of mgo.
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What produces wave a)sound b) heats c)transfer of energy d)vibrations
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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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What is the mass of oxygen gas is consumed in a reaction that produces 4.60mol so2
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An atom of an element has 5 electrons in l-shell....
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