Chemistry, 04.03.2021 23:10 cuppykittyy

How much heat us lostbwhen a hot piece of copper metal with a mass of 1260g cools from 280 C to 25 C. Specific heat of cu=0.39

Answers: 2

Show answers

Another question on Chemistry

Chemistry, 22.06.2019 16:00

What rule is used to determine how many covalent bonds an element can form? a. the number of covalent bonds is equal to six c the number of covalent bonds is equal to five minus the group number plus the group number b. the number of covalent bonds is equal to eight d. none of the above minus the group number select the best answer from the choices provided

Answers: 2

Answer

Chemistry, 23.06.2019 08:40

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?

Answers: 2

Answer

Chemistry, 23.06.2019 13:30

Determine the total number of atoms in 1.0 mol of co2

Answers: 1

Answer

Chemistry, 23.06.2019 16:00

Which part of the mantle is similar to the crust ? (science earth's layers)

Answers: 1

Answer

You know the right answer?

How much heat us lostbwhen a hot piece of copper metal with a mass of 1260g cools from 280 C to 25 C...