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Nimfa-mama [501]
3 years ago
10

Motion is... Question 1 options: A change in speed over a certain amount of time. A change in position over a certain amount of

time. A change in direction. A reference point.
Chemistry
1 answer:
Pie3 years ago
6 0
A change in position over a cetain time
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Someone please help me and answer my question asap. i need to turn my assignment in soon... please.
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Answer:

Explanation:

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to make it balanced the reaction should be 3 Mg + N2 = Mg3N2.

the reaction was not balanced before because the number of Mg on both side of the reaction was not equal.

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2 years ago
You gained two pounds while on vacation. Which of the following has changed?
Elenna [48]
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3 years ago
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Two students were doing an experiment which involved adding potassium sulfate powder to water. They added one teaspoon of potass
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