Chemistry, 05.11.2019 00:31 tessthetoast

How is the measurement unit, the mole, different from the measurement unit, the kilogram?

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Chemistry, 23.06.2019 08:40, sugakookies1

The activation energy for this reaction is 75 kj·mol–1. the enzyme catalase (found in blood) lowers the activation energy to 8.0 kj·mol–1. at what temperature would the non-catalyzed reaction need to be run to have a rate equal to that of the enzyme-catalyzed reaction at 25°c?

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Chemistry, 23.06.2019 10:20, skoolroks

Determine the mass of the object below with accuracy and to the correct degree of precision. a. 324.2 g b. 324 g c. 324.30 g d. 324.25 g

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Chemistry, 23.06.2019 19:30, marlandwilliams10

Which of the following is a polyatomic ion? a. calcium, ca2+ b. carbide, c4- c. sulfate, so4 d. selenide, se2-