Chemistry, 02.08.2019 11:10 kaiyerecampbell95
(q)which of the following describes a chemical change (a) a. melting ice b. freezing water c. crushing rock d. lighting a match
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Chemistry, 22.06.2019 05:00
Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.
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If two objects at different te,peraure are in contact with each other what happens to their temperature
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Chemistry, 22.06.2019 21:50
If e is the symbol for an element, which two of the following symbols represent isotopes of the same element? 1. e2. e3. ea.1 and 2c.1 and 4b.3 and 4d.2 and 3
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(q)which of the following describes a chemical change (a) a. melting ice b. freezing water c. crushi...
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