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Chemistry, 22.06.2019 20:00
State one important difference between a physical change and a chemical change?
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Chemistry, 23.06.2019 05:30
Awhite powder is added to a solution. the images show observations made before the powder is added, just after the powder has been added, and a little while later. (the liquid in the small beaker is phenol red solution.) what evidence shows that a chemical change has taken place?
Answers: 1
Chemistry, 23.06.2019 12:00
Asubstance that will change shape to fit its container but has a definite volume is in a phase of matter
Answers: 1
1. A cylindrical object has a diameter of 1.25 cm and a height of 6.48 cm. What is
its volume?...
its volume?...
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