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Misha Larkins [42]
3 years ago
8

Drawing (forming) blocks of copper into copper wire is an example of a physical change. true or false

Chemistry
1 answer:
posledela3 years ago
8 0

true your changing the shape or appearance but not the chemical properties

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which tool was mostly likely used in a procedure if the lab report shows that approximately 300 ml of water was used
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Which of these describes an exothermic reaction?
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A nswer: -

C. Energy is released by the reaction

Explanation:-

An exothermic reaction is one in which during the progress of the reaction heat is evolved.

So energy is released by the reaction.

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The energy released during the progress of the reaction originates from the chemical bonds of the reactants as they break during their conversion into products.

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If a Ferrari with an initial velocity of 10m/s accelerates at a rate of 5m/s2 for 3 seconds. What will it’s final velocity be?
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