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Which of the following is a mixture? A. N2 B. CO2 C. salt D. sand and water
Sand and water is a mixture.
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Asked 10/31/2017 8:24:31 AM
Updated 10/31/2017 8:51:28 AM
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Sand and water is a mixture.
Added 10/31/2017 8:51:28 AM
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in a reaction between gases, the reaction rate can be increased by - A. increasing volume. B. adding a catalyst. C. lowering temperature. D. decreasing pressure.
Question
Updated 239 days ago|6/2/2019 3:00:06 AM
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In a reaction between gases, the reaction rate can be increased by adding a catalyst.
Added 239 days ago|6/2/2019 3:00:06 AM
This answer has been confirmed as correct and helpful.
Which quantity will increase if the temperature is raised? A. grams of product produced in one minute B. grams of product at the end of the reaction C. concentration of product at the end of the reaction D. concentration of reactants at the end of the reaction
Question
Updated 239 days ago|6/1/2019 1:02:13 PM
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Grams of product produced in one minute will increase if the temperature is raised.
Added 239 days ago|6/1/2019 1:02:13 PM
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A catalyst - A. causes a reaction. B. increases a reaction's rate. C. has no effect on a reaction. D. raises the temperature for a reaction.
Weegy: A catalyst increases a reaction's rate. (More)
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Expert Answered
Updated 10/31/2017 8:02:37 AM
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Adding a catalyst to a reaction has an effect similar to - A. removing a reactant. B. increasing temperature. C. lowering the concentration. D. adding water to a reaction.
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Updated 10/31/2017 1:25:10 PM
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Adding a catalyst to a reaction has an effect similar to increasing temperature.

Added 10/31/2017 1:25:10 PM
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We know a chemical reaction has occurred when - A. a solid dissolves. B. a new substance is formed. C. two substances are mixed together. D. we no longer see one of the reactants.
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Updated 10/31/2017 7:54:01 AM
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We know a chemical reaction has occurred when a new substance is formed.
Added 10/31/2017 7:54:01 AM
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