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poizon [28]
4 years ago
10

Identified the nucleus that is found in an item that has a stable valance electron configuration

Chemistry
1 answer:
mestny [16]4 years ago
8 0

Answer:

Nucleus 3 i believe

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Use the reaction: 2 C4H10 (g) + 13 O2 (g) → 8 CO2 (g) + 10 H2O (g) + 5720 kJ. In the reaction, 200.0g of hydrocarbon react with
Sophie [7]

Answer:

9842kJ of energy are released

Explanation:

Based on the reaction:

2 C₄H₁₀ (g) + 13 O₂ (g) → 8 CO₂(g) + 10 H₂O (g) + 5720 kJ

<em>When 2 moles of C₄H₁₀ react with 13 moles of O₂ there are released 5720 kJ of energy</em>

As molar mass of C₄H₁₀ is 58.12g/mol, moles in 200.0g of the hydrocarbon are:

200.0g C₄H₁₀ ₓ (1mol / 58.12g) =<em> 3.441 moles of C₄H₁₀</em>

<em> </em>

As 2 moles of C₄H₁₀ release 5720kJ of energy, 3.441 moles of C₄H₁₀ release:

3.441 moles C₄H₁₀ ₓ (5720kJ / 2 moles C₄H₁₀) = <em>9842kJ of energy are released</em>

8 0
3 years ago
If a substance has a ph of 3 what is the pig
aniked [119]

Answer:

Explanation:

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6 0
4 years ago
Which of the greenhouse gases are carbon compounds?
Trava [24]

Answer:

Methane (CH4),Carbondioxide green house gases are carbon compounds

8 0
3 years ago
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The probability that it will rain tomorrow is 11/15. What is the probability that it will not rain ?
WINSTONCH [101]

Answer:

4/15

Explanation:

15/15 - 11/15 = 4/15

If 11/15 is the probability that it'll rain tomorrow, then the rest should be the probability that it'll not rain tomorrow.

6 0
3 years ago
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umka2103 [35]
Because all the compounds are at the same concentration, the one that can produce more particles in solution will be the one that will raise the boiling point the most.

<span>A. 2.0 M (NH4)3PO4  will produce 4 particles per molecule formula</span>
8 0
3 years ago
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