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snow_tiger [21]
3 years ago
8

What structural units make up network solids?

Chemistry
2 answers:
My name is Ann [436]3 years ago
8 0
Non metal atoms got this from google btw
slega [8]3 years ago
5 0

Answer:

Nonmetal atoms

Explanation:

A        P         E         C         C

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Type the correct answer in the box. Express your answer to two significant figures.
mash [69]

Answer: The percent yield of zinc carbonate is 5.91 %

Explanation:

To calculate the moles :

\text{Moles of solute}=\frac{\text{given mass}}{\text{Molar Mass}}

 \text{Moles of} ZnCO_3=\frac{12.6 g}{125.4g/mol}=0.100moles

ZnI_2 is the limiting reagent as it limits the formation of product and Na_2CO_3 is the excess reagent.  

Na_2CO_3+ZnI_2\rightarrow 2NaI+ZnCO_3  

According to stoichiometry :

1 mole of produce =  1 mole of

Thus 1.7 moles of ZnI_2 will produce=\frac{1}{1}\times 1.7=1.7moles  of ZnCO_3

Theoretical yield of ZnCO_3=moles\times {\text {Molar mass}}=1.7moles\times 125.4g/mol=213.2g

percentage yield = \frac{\text {Experimental yield}}{\text {Theoretical yield}}\times 100=\frac{12.6g}{213.2g}\times 100=5.91\%

6 0
3 years ago
Read 2 more answers
Which of the following is the correct chemical equation and is properly balanced for:
lbvjy [14]

Answer:are there any abc or do you have to make an answer?

Explanation:

4 0
3 years ago
Pls help check dhe paper
Semmy [17]
A= 16.5x100=1650
b=120 divided by 100= 1.2lb
that’s all I know.
7 0
2 years ago
Read 2 more answers
There are eight consitutional isomers with the molecular formula C4H11N.
Dmitriy789 [7]

Answer:

See figure 1

Explanation:

We have to remember that in the isomer structures we have to <u>change the structure</u> but we have to maintain the <u>same formula</u>, in this case C_4H_1_1N.

In the formula, we have 1 nitrogen atom. Therefore we will have as a main functional group the <u>amine group</u>.

In the amines, we have different types of amines. Depending on the number of carbons bonded to the "N" atom. In the <em>primary amines</em>, we have only 1 C-H. In the <em>secondary amines</em>, we have two C-N bonds and in the <em>tertiary amines</em>, we have three C-N bonds.

With this in mind, we can have:

-) <u>Primary amines:</u>

1) n-butyl amine

2) sec-butyl amine including 2 optical isomers

3) isobutyl amine

4) tert-butyl amine

-) <u>Secondary amines:</u>

5) N-methyl n-propyl amine

6) N-methyl isopropyl amine

7) N, N-diethyl amine

-) <u>Tertiary amines:</u>

8) N-ethyl N, N-dimethyl amine

See figure 1

I hope it helps!

8 0
3 years ago
One molecule of glucose makes 30 molecules of atp. how many molecules of glucose are needed to make 6000 molecules of atp in aer
vazorg [7]
The answer is 200 molecules
5 0
3 years ago
Read 2 more answers
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