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Lubov Fominskaja [6]
3 years ago
7

Is crushing a rock a chemical or physical change?

Chemistry
1 answer:
aalyn [17]3 years ago
4 0
Physical change because you didn't change the chemical compound 
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A4 kg object is being pulled to the east by a 6 N force. What is the object's<br> acceleration?
Dahasolnce [82]

1.5 ms⁻²

Explanation:

We understand that Force is also given as mass * acceleration;

F = Ma

If force is 6N and the mass is 4kg of the object, the a can be evaluated as follows;

6 = 4a

6/4 = a

1.5 = a

= 1.5m/s²

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How many atoms are in 0.0303 mol K?
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A chemical equation does not give information about what
Lana71 [14]

A chemical equation does not give information about the following:

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8 0
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What effect does light have on plant growth?
Varvara68 [4.7K]

Explanation:

Light intensity influences the manufacture of plant food, stem length, leaf color and flowering. Generally speaking, plants grown in low light tend to be spindly with light green leaves. A similar plant grown in very bright light tends to be shorter, better branches, and have larger, dark green leaves.

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Were is the type of bonds if any (cobalt)
vlada-n [284]
There are three type of bonds.
Ionic bond, Covalent bond, Polar covalent bonds
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