What is a change in a substance that does not involve the identity of the substance

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01-11-2018
Chemistry

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What is a change in a substance that does not involve the identity of the substance

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A light plane flew from its home base to an airport 255 miles away. With a head wind, the trip took 1.7 hours. The return trip with a tail wind took 1.5 h

10u + 7 = 8 ( 2u - 4 ) - 9

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10u + 7 = 8 ( 2u - 4 ) - 9

A light plane flew from its home base to an airport 255 miles away. With a head wind, the trip took 1.7 hours. The return trip with a tail wind took 1.5 h

2 ( 4a - 12 ) + 3a = 6a + 1

jyx jyx · Answer 1 · 2018-11-01T18:44:24+01:00

jyx jyx

01-11-2018

The answer to this would be a physical change. Physical changes are changes that affect the form of a chemical substance, but not the chemical composition itself. Hope this helped!

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getalifecom getalifecom · Answer 2 · 2018-11-01T18:47:52+01:00

getalifecom getalifecom

01-11-2018

The answer is physical change

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