40 points
classify each one of these examples as a physical or chemical change. give a reaso...
40 points
classify each one of these examples as a physical or chemical change. give a reason (observation) of why each example is a specific type of change.
question:
a. the teacher puts a sugar cube into a container of warm water. eventually the sugar cube is no longer visible. what type of change is this and why? (2 points)
b. the teacher puts vinegar into a small container of baking soda. the combined substances begins to fizz and bubble. what type of change is this and why? (2 points)
Answers: 1
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Development of new communities in disturbed environments, such as a burned or a clear cut forest, is called
Answers: 2
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There are fewer than 100 naturally occurring elements in the universe, but there are millions of different unified substances. explain how this can be true.
Answers: 1
Biology, 22.06.2019 12:00
How long does it take a skateboarder going 6.0 m/s to come to a complete stop if she slows down at a rate of 2.0 m/s^2
Answers: 1
Mathematics, 01.10.2019 13:50
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