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PSYCHO15rus [73]
3 years ago
11

4. Which compound below contains the longest carbon-to-nitrogen bond?

Chemistry
1 answer:
Serga [27]3 years ago
8 0

Answer:

a

Explanation:

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A student prepares a solution of sodium chloride by dissolving 116.9 g of NaCl into enough water to make 1.00 L of solution. How
sertanlavr [38]

Answer: The molarity of the solution is 2.00 M

Explanation:

Molarity is defined as the number of moles of solute dissolved per liter of the solution.

Molarity=\frac{n}{V_s}

where,

n = moles of solute

V_s = volume of solution in L = 1.00 L

moles of solute =\frac{\text {given mass}}{\text {molar mass}}=\frac{116.9g}{58.5g/mol}=2.00moles

Molarity=\frac{2.00mol}{1.00L}=2.00M

Thus the molarity of the solution is 2.00 M

8 0
4 years ago
8.
kipiarov [429]

Answer:

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3 0
3 years ago
The maximum energy of photo electrons (increases or decreases or remains constant) with increasing frequency and (increases or d
morpeh [17]

Answer:

Increases,  remain constant

Explanation:

In the light spectrum, the photons with a higher frequency (hence smaller wavelengths) have higher energy. The lower the energy the lower the frequency and longer the wavelengths. The intensity of light does not change the energy levels of these photons. The higher the intensity the higher the density of the photoelectrons.

4 0
3 years ago
25. Energy is released during the fissionof Pu-239 atoms as a result of the(1) formation of covalent bonds(2) formation of ionic
Mariulka [41]
Answer ( 3 ) :

<span>conversion of matter to energy .
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hope this helps!
4 0
4 years ago
Mike is gathering equipment for a lab where he will measure the masses of various
Tom [10]

Answer:

electric balance, goggles, beaker

Explanation:

I did it and got it right

4 0
3 years ago
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