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n200080 [17]
2 years ago
15

The equation 2NaNO3 + CaCl2 - 2NaCl + Ca(NO3)2 is balanced. How many atoms

Chemistry
1 answer:
Ludmilka [50]2 years ago
4 0

Answer:3

Explanation:

I took the test

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When an object is lifted 6 meters off the ground, it gains a certain amount of potential energy. If the same object is lifted 18
AlexFokin [52]

Answer:

The answer to your question is the letter C. three times as much

Explanation:

Data

First step = 6 m

Second step = 18 m

Potential energy is the energy stored that depends on its position.

Formula

Pe = mgh

m = mass; g = gravity; h = height

Potential energy of the first step

        Pe1 = 6mg

Potential energy of the second step

        Pe2 = 18mg

-Divide the Pe2 by the Pe1

        Pe2/Pe1 = 18mg/6mg

                       = 3

7 0
2 years ago
One mechanism for the destruction of ozone in the upper atmosphere is
UNO [17]

Answer:

When chlorine and bromine atoms come into contact with ozone in the stratosphere, they destroy ozone molecules.

Explanation:

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What happens when the calcium burns in the oxygen. write the chemical reaction​
Valentin [98]

Answer:

Calcium can be ignited and will when burning react with both oxygen and nitrogen forming calcium oxide, CaO, and calcium nitride, Ca3N2.

3 0
2 years ago
Water molecules stick together by a force called?
patriot [66]

Answer:

Cohesion

Explanation:

Depending on how attracted molecules of the same substance are to one another, the substance will be more or less cohesive. Hydrogen bonds cause water to be exceptionally attracted to each other. Therefore, water is very cohesive.

8 0
3 years ago
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Which of the following most likely happens when the volume of a gas increases? (4 points)
Xelga [282]

Answer:

Molecules in the gas move faster due to the fact they have more energy

Explanation:

If you put more heat the higher the volume will be. Less heat means less volume.

(have a great day!)

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