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Natali5045456 [20]
3 years ago
12

Distinguish between kinetic energy and poteintial energy-

Chemistry
1 answer:
topjm [15]3 years ago
6 0

Answer:

kinetic energy is energy possessed due to its motion while potential energy is energy possessed by a body by virtue of its position relative to others

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3 years ago
Calculate the empirical formula of a compound that is 42.9% Carbon and 57.1% Oxygen.
Marrrta [24]

Answer:

CO.

Explanation:

Assuming the given percentages are by mass, we can solve this problem via imagining we have <em>100 g of the compound</em>, if that were the case we would have:

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Now we <u>convert those masses into moles</u>, using the<em> elements' respective molar masses</em>:

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As the number of C moles and O moles is roughly the same, the empirical formula for the compound is <em>CO</em>.

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3 years ago
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3 years ago
The explosion of a star releases billions of _______ into the atmosphere.
nikitadnepr [17]

Answer and Explanation:

Explosion of a star releases what into the atmosphere?

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What does our bone marrow do when we lose a lot of blood?
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