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katovenus [111]
4 years ago
5

Is this molecule polar? NaS

Chemistry
1 answer:
Anuta_ua [19.1K]4 years ago
8 0

Answer:

NaS is ionic compounds that's why it is polar.

Explanation:

Ionic bond:

It is the bond which is formed by the transfer of electron from one atom to the atom of another element.  

Both bonded atoms have very large electronegativity difference. The atom with large electronegativity value accept the electron from other with smaller value of electronegativity.

For example:

Sodium sulfide is ionic compound. The electronegativity of sulfur is 2.58 and for sodium is 0.93. There is large difference is present. That's why electron from sodium is transfer to the sulfur. Sodium becomes positive and sulfur becomes negative ion.  There are electrostatic  fores present between bonded atoms and molecule becomes polar.

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The law of ____ states that in all samples of the same chemical compound, the masses of the elements are always in the same prop
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I believe it's D. Definite Proportions.
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4 years ago
Most of the chemicals included in your introductory chemistry lab kit can be discarded down a drain with copious amounts of wate
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Answer:

Explanation:

To neutralize a chemical to a pH of 7 before discarding, one would require a significant amount of acids or bases. Our best guess is that the solution in itself is either an acid or a base. Neutralization with the right amount of a proper reagent can bring the pH of the solution to a neutral 7.

If the solution has a pH originally greater than 7, add a corresponding amount of acid to it. This will reduce the concentration and bring it to a neutral point. Provided one is dealing with a solution of pH less than 7, simply add a base to to bring the solution to neutrality.

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3 years ago
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3 years ago
What role does temperature play in the growth of bacteria?
Georgia [21]

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<h3>Hope this helps..</h3>
5 0
3 years ago
If you have 5.22*1022 molecules of glucose (C6H12O6) how many grams is this?
lianna [129]

Answer:

5.22*1022 molecules of glucose (C6H12O6)  is equal to 15.08 grams

Explanation:

Number of molecule of glucose in one mole = 6.023 * 10^{23}

Now mass of one mole of glucose = 180 grams

Number of moles in 6.023 * 10^{23} molecules of glucose = 1

Number of moles in 1 molecules of glucose =  \frac{1}{6.023 * 10^{23}}

Number of moles in 5.22 * 10^{22} molecules of glucose =  \frac{5.22* 10^{22}}{6.023 * 10^{23}}  = 0.083 moles

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7 0
3 years ago
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