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Chemistry
Physical Changes
Separation and heating of substances
explain changes that occur when the following substances are separated heated in oven crucible 1)copper metal. 2)copper nitrate
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This is a question that is to answered from observation. Just write what you observed. You're trying to dry lab the experiment.
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I cannot understand how the mass of the system has changed. There's no need for you to do my work please just explain it to me!
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True or False?
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Question 16 (1 point)
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