Question

How do you think the chmical reaction has affected how the bucet can be used

Answer 1

Answer:

In the last chapter we looked at the particle model of matter and specifically at changes of state. Do you remember heating and cooling candle wax to observe it melt and then solidify. The wax first changed from a solid into a liquid and then back to a solid again. These are physical changes. The chemical properties of the substance does not change.

We are now going to look at what happens when we get chemical changes in substances. These take place during chemical reactions.

Answer 2

Answer:

Matter is never destroyed or created in chemical reactions. The particles of one substance are rearranged to form a new substance. The same number of particles that exist before the reaction exist after the reaction.

Explanation:

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