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Damm [24]
2 years ago
11

What form of energy does a compressed spring have? A) heat energy B) kinetic energy C) chemical energy D) potential energy

Chemistry
2 answers:
Akimi4 [234]2 years ago
8 0

Answer:

D) Potential Energy

Explanation:

The compressed spring has elastic potential energy. If it is allowed to de-compress, the elastic potential energy will be converted to kinetic energy.

Helen [10]2 years ago
4 0

Answer:

D

Explanation:

Potential energy because a compressed spring has the energy possessed due to position and when the spring is allowed for rarefaction the energy is changed to kinetic energy

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If the temperature of a gas is raised from 30°C to 60°C, what happens to the pressure?
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<h3>Answer:</h3>

The pressure increases by 10% of the original pressure

Thus the new pressure is 1.1 times the original pressure.

<h3>Explanation:</h3>

We are given;

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  • Final temperature, T2 is 333.15 K

We are required to state what happens to the pressure;

  • We are going to base our arguments to Pressure law;
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\frac{P1}{T1}=\frac{P2}{T2}

Assuming the initial pressure, P1 is P

Rearranging the formula;

[tex]P2=\frac{P1T2}{T1}[/tex]

P2=\frac{(P)(333.15K)}{303.15K}

     P2 = 1.099P

                 = 1.10 P

The new pressure becomes 1.10P

This means the pressure has increased by 10%

We can conclude that, the new pressure will be 1.1 times the original pressure.

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