2 years ago

What is the 25 element in chemistry

1 answer:

8 0

Hydrogen, helium, lithium, berylium, boron, carbon, nitrogen, oxygen, florine, neon, sodium, magnesium, alumini, silicon, phosphuros, sulfure, chlorine, argon, postassium, calcium, scandium, titanium, vanadium, chromium magenese

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10. Chromium (III) oxide reacts with carbon dioxide to form..

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Answer: chromium(III)

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What is happening when an oxygen molecule is formed from two separate oxygen atoms?

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Kedrick and Kaleb train by pushing a sled that weighs 300 kg at an acceleration of 2m/s^2. What force did they push the sled wit

stiks02 [169]

Answer:

$\boxed {\tt 600 \ Newtons}$

Explanation:

Force can be found by multiplying the mass and the acceleration.

$F=m*a$

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$F= 300 \ kg * 2 \ m/s^2$

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$F= 600 \ kg * m/s^2$

1 kilogram-meter per second squared is equal to 1 Newton. Therefore, 600 kilograms-meter per second squared is equal to 600 Newtons.

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The force used on the sled is 600 Newtons.

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3 years ago

A car travels 180 m souteast in 30 s. What is it's average velocity?

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Answer:

B. 6m/s southeast

Explanation:

velocity= distance / time

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6m/s southeast

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2 years ago