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Mars2501 [29]
3 years ago
6

What is the oxidation number of Nitrogen in HNO2? +1 -1 +3 -3

Chemistry
1 answer:
WITCHER [35]3 years ago
5 0
I believe the correct answer from the choices listed above is the third option. The <span>oxidation number of Nitrogen in HNO2 would be +3. It is calculated as follows:

1 + x + (-2)(2) = 0
x = +3

Hope this answers the question. Have a nice day.</span>
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What part of an atom determines if it will combine or break apart from other substances?
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Electron is the correct answer :D

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If gas in a sealed container has a pressure of 50 kpa at 300 k, what will the pressure be if the temperature rises to 360 k? 161
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60 \; \text{kPa}

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T_1 / T_2 = P_1 / P_2

In this scenario:

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Rearranging gives

\begin{array}{lll}P_2 &=& P_1 \cdot T_2 / T_1 \\ &=& 50 \; \text{kPa} \times (360 \; \text{K})/ (300 \; \text{K})\\ &=& 60 \; \text{kPa}\end{array}


6 0
2 years ago
What is shown by the structural formula of a molecule or polyatomic ion?
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6 0
3 years ago
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Draw the lewis structure of ch3nc; fill in any nonbonding electrons. Calculate the formal charge on each atom other than hydroge
jenyasd209 [6]

A visual representation of covalent bonding which represents the valence shell electrons in the molecule is said to be a Lewis structure. The lines represents the shared electron pairs and dots represents the electrons that are not involved in the bonding i.e lone pairs.

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The Lewis structure of CH_3NC is shown in the attached image.

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For C on right side:

FC = 4 - 2- \frac{6}{2} = -1

The formula charge of each atom other than hydrogen is shown in the attached image.


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3 years ago
What is the result of adding 2.5 × 10³ and 3.5 × 10²?
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Answer:

A

Explanation:

It is correct please I hope it helps! :)

7 0
3 years ago
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