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mina [271]
3 years ago
15

Which chemical equation describes the balanced reaction synthesizing copper and oxygen into copper oxide?

Chemistry
2 answers:
arlik [135]3 years ago
4 0
The answer is B. 2Cu + O2<span> → 2CuO</span>
Feliz [49]3 years ago
3 0
Cu+O2->CuO would be the correct answer.
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Which phase change results with increased kinetic energy?
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Answer:

\boxed{\sf Volume \ of \ plastic \ used = 10.14 \ cm^3}

Given:

Mass = 14.0 g

Density (\rho) = 1.38 g/cm³

To Find:

Volume (V)of the plastic used to make water bottle

Explanation:

Formula:

\boxed{ \bold{Density \ (\rho) = \frac{Mass \ (m)}{Volume \ (V)}}}

Substituting value of m & density in the formula:

\sf \implies 1.38 =  \frac{14.0}{V} \\  \\   \sf \implies V =  \frac{14.0}{1.38} \\  \\   \sf \implies V = 10.14 \ cm^3

\therefore

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