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natta225 [31]
2 years ago
13

Any moving object has _______________ energy A.kinetic B.potential C.gravitational potential

Chemistry
2 answers:
nignag [31]2 years ago
7 0

Answer:

Kinetic

Explanation:

potential means it has the POTENTIAL to move, gravitational potential energy is when an object isn't moving but the it turns into gravitational kinetic energy since gravity causes it to move. since the object in question is already in motion it proves kinetic energy as the answer.

zysi [14]2 years ago
3 0
Any moving object has kinetic energy
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13. A mixture of MgCO3 and MgCO3.3H2O has a mass of 3.883 g. After heating to drive off all the water the mass is 2.927 g. What
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Answer:

63.05% of MgCO3.3H2O by mass

Explanation:

<em>of MgCO3.3H2O in the mixture?</em>

The difference in masses after heating the mixture = Mass of water. With the mass of water we can find its moles and the moles and mass of MgCO3.3H2O to find the mass percent as follows:

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3.883g - 2.927g = 0.956g water

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<em>Moles MgCO3.3H2O:</em>

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0.01769 moles MgCO3.3H2O

<em>Mass MgCO3.3H2O -Molar mass: 138.3597g/mol-</em>

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2.448g MgCO3.3H2O / 3.883g Mixture * 100 =

<h3>63.05% of MgCO3.3H2O by mass</h3>
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