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solniwko [45]
3 years ago
7

What is a controlled variable

Chemistry
1 answer:
sdas [7]3 years ago
4 0

Answer:

The part of the experiment that is set to compare data

Explanation:

The controlled variable is what stays constant throughout an experiment. You use the controlled variable to compare the new data to see what happened during whatever reaction you could say.

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Will the final amount of biodiesel change if you actually have more or less amount of catalyst​
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Answer

I don know sorry

Explanation:

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A car moves at a speed of 50 kilometers/hour. Its kinetic energy is 400 joules. If the same car moves at a speed of 100 kilomete
DaniilM [7]
800 joules because it's twice the amount
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What causes a substance to change states of matter?
kolezko [41]
Salutations!

What causes a substance to change states of matter?

Energy causes a substance to change states of matter. A matter needs energy to melt, evaporate, boil. Remember: Energy has a sudden change, but the temperature remains absolutely the same. An example of a change in energy is when ice is melting.

Hope I helped (:

Have a great day!
8 0
3 years ago
1. What are commonly called as "shooting stars"?
nydimaria [60]

Answer:

B

B

A

C

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Explanation:

I think dont take my word for though

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faltersainse [42]
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