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Ede4ka [16]
3 years ago
7

As a gas changes to a solid, energy A. is not used. B. is released. C. is absorbed.

Chemistry
1 answer:
pogonyaev3 years ago
7 0

Answer:

B

Explanation:

Energy is released, when a gas changes to solid

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3 0
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Identify the type of igneous rock that is formed when magma cools above Earth's surface?
mylen [45]

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Determine the volume of a substance that has a density of 1.84 g/ml and a mass of 12 grams
vazorg [7]
Hey there!:

density = mass / volume

1.84 g/mL =  12 g / V

V =  12 / 1.84

V = 6.521 mL

hope this helps!
             
5 0
3 years ago
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8 0
3 years ago
A 2.3 kg object has 15 ) of kinetic energy. Calculate its speed.
chubhunter [2.5K]

Answer:

<h3>The answer is option D</h3>

Explanation:

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v =  \sqrt{ \frac{2KE}{m} }  \\

where

m is the mass

v is the speed

From the question

KE = 15 J

m = 2.3 kg

We have

v =  \sqrt{ \frac{2 \times 15}{2.3} }  =  \sqrt{ \frac{30}{2.3} }  \\  = 3.61157559...

We have the final answer as

<h3>3.6 m/s</h3>

Hope this helps you

7 0
3 years ago
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