3 years ago

An example of gaining potential energy

1 answer:

5 0

Answer:

An example for gaining potential energy would be: A glass bottle on the top of a high shelf would have more high potential energy than a glass bottle on the middle or bottom shelf because it has a long way or more farther to fall down or brake.

Explanation:

Remember Potential Energy is the restored energy of an object has.

I hope this helps you!

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An aqueous solution that has a hydrogen ion concentration of 1.0 x 10^-8 mole per liter has a pH of

spin [16.1K]

Answer: 8, which is basic

Explanation: The hydrogen ion concentration is 1.0 x 10^-8 mole per liter. Using [H+] = 1.0 x 10 -(pH) the pH is 8. A pH above 7 is basic.

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2 years ago

Nitrogen and water react to form nitrogen monoxide and hydrogen, like this: N2(g) + 2H2O(g) → 2NO(g) +2H2(g) Also, a chemist fin

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Answer:

Kc for this reaction is 0.43

Explanation:

This is the equilibrium:

N₂(g) + 2H₂O(g) → 2NO(g) +2H₂(g)

And we have all the concentration at equilibrium:

N₂: 0.25M

H₂ : 1.3M

NO: 0.33M

H₂: 1.2M

They are ok, because they are in MOLARITY. (mol/L)

Let's make the expression for Kc

Kc = ( [NO]² . [H₂]² ) / ([N₂] . [H₂O]²)

Kc = (0.33² . 1.2²) / (0.25 . 1.2²)

Kc = 0.4356

In two significant digits. 0.43

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3 years ago

The theory of plate tectonics describes the movement of continental plates across the Earth's surface as if they were riding on

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Answer:

B and E

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These two options support the theory of plate tectonics.

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Starting with acetylene and bromoethane, show how you would use reagents from the table to synthesize 3-hexanone.

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The reaction sequence will be

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What unit is mass generally measured in

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Answer:

kilograms

Explanation:

hope this helps, pls mark brainliest :D

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