Chemistry

Chemistry, 10.09.2019 06:20, vavzincak

How is energy involved in chemical and physical changes?

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Chemistry, 12.07.2019 18:30, ddssssssdddddd

4. in order to decide whether a property is chemical or physical, you must know whether a. chemical or physical changes occur when the property is measured b. the property is extensive or intensive c. the property is intrinsic or extrinsic d. the property involved energy or matter

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Chemistry, 26.07.2019 07:00, nancieabreu4491

How did the experiement with boiling water compare with the experiment in which magnesium was added to hydrochloric acid? both resulted in gas formation. both resulted in temperature change. both involved chemical change. both involved physical change. one involved chemical change while the other involved physical change.

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Physics, 24.09.2019 12:30, sassyluvinherself

Which describes how chemical changes are different from physical changes? chemical changes can be measured, but physical changes cannot. chemical changes involve the formation of a new substance. chemical changes release energy, but physical changes absorb energy. chemical changes cannot be caused by oxygen

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