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kondor19780726 [428]
3 years ago
13

When copper (II) chloride reacts with sodium nitrate, copper (II) nitrate and sodium chloride are formed.

Chemistry
1 answer:
anzhelika [568]3 years ago
3 0

Answer:

How many grams of copper (II) nitrate is formed

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In the chemical reaction:
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d

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d

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Briefly explain how electron orbitals and energy levels relate to the structure of an atom.
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When particles that attract each other are allowed to come to together, energy is ______
Rufina [12.5K]

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Released

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When particles that attract each other come together, energy is usually released. The combination of the two particles is expected to result in a lower energy system. This lower energy system will be more stable than the different individual particles.

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How many atoms are in 20.6 moles of curium
Harman [31]

Answer: 1.24 × 10^25

Explanation:

\frac{20.6 moles}{1} × \frac{6.022 * 10^{24} }{1 Mole}

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According to the scientific notation rules, the number to the left of the decimal cannot exceed 10 so we have to move the decimal to the left two spaces. With this change, we also have to change the exponent of the 10. Because we moved the decimal point two spaces to the left, that means we have 10^25.

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Can anyone help with 5 through 8? Please :(
Aleksandr [31]

Answer:

The answer to your question is below

Explanation:

5)        Fe₂O₃(s)   +  3H₂O   ⇒    2Fe(OH)₃ (ac)        Synthesis reaction

6)        2C₄H₁₀(g)  + 13O₂(g)  ⇒   8CO₂ (g)  +  10H₂O   Combustion reaction

7)         2NO₂ (g)  ⇒   2O₂ (g)  +  N₂ (g)                     Decomposition reaction

8)         H₃P (g) +  2O₂ (g)  ⇒    PO (g)  +   3H₂O  Single replacement reaction

4 0
3 years ago
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