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dusya [7]
3 years ago
7

What must take place for copper metal to be oxidized?

Chemistry
1 answer:
Oxana [17]3 years ago
6 0
 <span>The copper would go under oxidation since it will be losing two electrons. Copper starts out with an oxidation number of zero, but in order to balance the compound of CuO with the Oxygen having an oxidation number of -2, a positive 2 is required</span>
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A gas under an initial pressure of 0.60 atm is compressed at constant temperature from 27 L to 3.0 L. The final pressure becomes
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Answer: 5.4

Explanation:

P2 = P1V1/V2

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The density of a gas cannot be measured.<br> True<br> False
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Answer:

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Four springs are stretched to the same distance from the equilibrium position. The spring constants are listed in the table. A 2
svp [43]

Answer:

The correct option is;

X, W, Y, Z

Explanation:

The parameters given are;

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      Z,                    15

The equation for elastic potential energy, E_e, is E_e = 0.5 \times k \times x^2

The above equation can also be written as E_e =\dfrac{1}{2}  \times k \times x^2

Where:

k = The spring constant in (N/m)

x = The spring extension

Therefore, since the elastic potential energy, E_e, of the spring is directly proportional to the spring constant, k, we have the springs with higher spring constant will have higher elastic potential energy, E_e, therefore the correct order is as follows;

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9 0
3 years ago
Each year as the weather gets cold, gray whales swim over 10.000 miles from arctic waters south to coastal areas of
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external

migration

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Wym there is no question or statements.
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