Answer:
As the molecules of a liquid are cooled they slow down. As the molecules slow down they take up less volume. Taking up less room because of the molecules lower energy causes the liquid to contract.
Explanation:
Answer:
Add excess copper carbonate to hydrochloric acid in a beaker, stirring until there is no further reaction. Filter the mixture to remove the remaining copper carbonate, then heat the remaining solution to the point of crystallisation. Leave the solution to cool and collect the crystals formed by filtration.
Explanation:
Answer:
Analyzed data,if your hypothesis was correct and how many times you tested it
Explanation:
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Chemical reactions can reach a state of equilibrium...