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disa [49]
3 years ago
7

Number of valence electrons for nitrogen

Chemistry
1 answer:
Feliz [49]3 years ago
3 0

Nitrogen has five valence electrons

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Which environment is BEST for an organism that sleeps during the day and digs holes in the ground for shelter?
Zigmanuir [339]
I’d probably say a forest or a dessert
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2 years ago
Initially, the chalk had a mass of 323.5 grams but upon completion, its mass had dropped to 301.2 grams. What is the change in m
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The changes the masses of chalk on the scale because when it was dropped in Golden Hammer
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A sample of Cd(OH)2 is added to pure water and allowed to come to equilibrium at 25ºC. The concentration of Cd +2 = 1.7 x 10 -5M
Archy [21]

Answer:

Ksp=2.0x10^{-14}

Explanation:

Hello there!

In this case, given the solubilization of cadmium (II) hydroxide:

Cd(OH)_2(s)\rightleftharpoons Cd^{2+}(aq)+2OH^-(aq)

The solubility product can be set up as follows:

Ksp=[Cd^{2+}][OH^-]^2

Now, since we know the concentration of cadmium (II) ions at equilibrium and the mole ratio of these ions to the hydroxide ions is 1:2, we infer that the concentration of the latter at equilibrium is 3.5x10⁻⁵ M. In such a way, the resulting Ksp turns out to be:

Ksp=(1.7x10^{-5})(3.4x10^{-5})^2\\\\Ksp=2.0x10^{-14}

Regards!

3 0
3 years ago
Write and balance an equation for the following reaction. Identify the type of reaction.
Strike441 [17]

Answer: Synthesis/ Combination

reaction

4 Al + 3S2 => 2 Al2S3

Explanation: The equation is now balanced the amount of each individual atom in both the reactant and product sides are equal.

8 0
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Predict: In each "Climate type" box, Highlight the condition you think will lead to the fastest weathering for the given weather
yanalaym [24]

Answer:

Frost Wedging - Hot and dry

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Dissolving - Cold, and dry

Explanation:

The frost wedging happen when the climatic condition is hot and dry. The dry weather compensates the heat and the rock wedging happens quickly. For clay formation the weather has to be cold and wet. The cold weather will make the sand indulge with rock particles resulting in the clay formation.

6 0
2 years ago
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