5
Select the correct answer.
A chemistry student heated Iron (a graylsh solid) with sulfur (a...
Chemistry, 04.09.2020 20:01 drastipatel18
5
Select the correct answer.
A chemistry student heated Iron (a graylsh solid) with sulfur (a yellow solid) and observed a black, lumpy solid forming. What is the student's
conclusion?
A. A physical change has occurred, and a new substance has formed.
B. A chemical change has occurred, and a new substance has formed.
OC A physical change has occurred, and the reactants and products have the same properties.
D. A chemical change has occurred, and the reactants and products have the same properties.
Reset
Next
O 2020 Edmentum. All rights reserve
Answers: 3
Chemistry, 22.06.2019 14:30
Connect the whole numbers on the periodic table to indicate what they represent?
Answers: 3
Chemistry, 22.06.2019 15:20
An alloy contains 66 g of pure zinc. what is the percentage of zinc in the alloy? express your answer to two significant figures and include the appropriate units.
Answers: 1
Chemistry, 23.06.2019 01:00
Which substance—wood or silver—is the better thermal conductor? a thermal conductor is a material that requires very little heat energy to change its temperature. explain your answer.
Answers: 3
Mathematics, 04.02.2021 07:10
Mathematics, 04.02.2021 07:10
English, 04.02.2021 07:10
Mathematics, 04.02.2021 07:10
Mathematics, 04.02.2021 07:10
Mathematics, 04.02.2021 07:10
Chemistry, 04.02.2021 07:10
Mathematics, 04.02.2021 07:10
English, 04.02.2021 07:10
Advanced Placement (AP), 04.02.2021 07:10