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likoan [24]
3 years ago
7

Which statements about the formation of the solar system are true and in a correct order?

Chemistry
1 answer:
Ymorist [56]3 years ago
6 0

The statement about the formation of the solar system that are true and in a correct order are Gravitational force held the newly formed planets around the sun; small planetary objects formed; hydrogen and helium became concentrated in the outer solar system to form the outer planets. The answer is letter D.

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What word is used to refer to a group of organ systems working together?
kotegsom [21]

Answer:

1

Explanation:

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3 years ago
What is the oxidation number of iron in FeO?
kiruha [24]

Answer:

+2

Explanation:

3 0
2 years ago
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A gas sample has a temperature of 22c with an unknown volume. The same gas has a volume of 456 mL when the temperature is 86c wi
tester [92]

Answer:

V₁  = 374.71  mL

Explanation:

Given data:

Initial volume of gas= ?

Initial temperature = 22°C

Final temperature = 86°C

Final volume = 456 mL

Solution:

Initial temperature = 22°C (22+273 = 295 k)

Final temperature = 86°C (86+273 = 359 k)

The given problem will be solve through the Charles Law.

According to this law, The volume of given amount of a gas is directly proportional to its temperature at constant number of moles and pressure.

Mathematical expression:

V₁/T₁ = V₂/T₂

V₁ = Initial volume

T₁ = Initial temperature

V₂ = Final volume  

T₂ = Final temperature

Now we will put the values in formula.

V₁/T₁ = V₂/T₂

V₁ = V₂T₁ /T₂

V₁  = 456 mL × 295 K / 359 k

V₁  = 134520 mL.K /  359 k

V₁  = 374.71  mL

3 0
3 years ago
How many electrons are in the highest energy orbital of the element copper?
iris [78.8K]
<span>the answer is 1 the 4s1 electron........................


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5 0
2 years ago
During an endothermic phase change, what happens to the potential energy and the kinetic energy?
Dovator [93]
The correct answer should be that Potential energy increases, and kinetic energy increases, since they both increase as the temperature changes.
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2 years ago
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