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sattari [20]
3 years ago
5

Earth's gravitational potential energy: GPE = mgh = Gravity (9.81m/s2) Mass (kg) x Height (m) Kinetic energy: KE = mu? How do th

e mass and height of an object affect the gravitational potential energy? O A. Mass and height have the same effect on gravitational potential energy. O B. Mass has a greater effect than height on gravitational potential energy O C. Height has almost 10 times the effect on gravitational potential energy that mass has. D. Height has a greater effect than mass on gravitational potential energy.​
Chemistry
1 answer:
Sati [7]3 years ago
5 0

Answer:D

Explanation: i just took the quiz (apex)

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How is alchemy different from modern chemistry?
Andreas93 [3]

Answer:

Alchemy is generally seen as an archaic proto-science based on superstition that is of little interest to the modern chemist. ... In Western alchemy, perfection is achieved through the action of the Philosophers Stone. Alchemists believed that it could turn any substance into gold, prolong life and cure illness

Explanation:

8 0
4 years ago
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A titration was performed on 50.0mL of 0.250 M NaOH.After the
777dan777 [17]

Answer:

1.750 M

Explanation:

In case of titration , the following formula can be used -

M₁V₁ = M₂V₂

where ,

M₁ = concentration of acid ,

V₁ = volume of acid ,

M₂ = concentration of base,

V₂ = volume of base .

from , the question ,

M₁ = ? M

V₁ = 7.14 mL

M₂ = 0.250 M

V₂ = 50 mL

Using the above formula , the molarity of acid , can be calculated as ,

M₁V₁ = M₂V₂

M₁ * 7.14 mL = 0.250 M * 50mL

M₁ = 1.750 M

Hence, the molarity of the hydrochloric acid = 1.750 M

6 0
3 years ago
Phenomenon: The sun appears to move across the sky during the day, and stars appear to move across the sky during the night.
melomori [17]

Answer:

Why does this happen?

can the motion of these celestial bodies help in telling time?

does this have something to do with the earth's axis?

6 0
3 years ago
In a redox reaction what happens to a substance's charge when it is oxidized
Temka [501]
<span>oxidizing substance removes electrons from another substance, which are then added to itself, the oxidizing substance becomes “reduced” (more negative). And because it “accepts” electrons .</span>
5 0
3 years ago
I dont get it, what am i supposed to do?​
anygoal [31]

Answer:

It appears to be

<h2><u>replacement</u></h2>

Explanation:

I did that question.

4 0
3 years ago
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