Fe + CuSO4 → Cu + FeSO4 iron copper sulfate copper iron sulfate

Explain if the reaction of iron and copper sulfate supports the Law of Conservation of Mass. Use evidence and scientific reasoning to support your answer.

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Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?

15. which of the following is not human-caused groundwater pollution? a. water in an aquifer dissolves elements such as arsenic and mercury from surrounding rock. b. water in an aquifer is contaminated by leachate that seeps into the ground from a landfill. c. water in an aquifer becomes polluted with chemicals used in hydraulic fracturing, or fracking. d. water in an aquifer absorbs harmful bacteria from the drainage field of a septic tank.