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bezimeni [28]
3 years ago
7

Most of the volume of an atom is occupied by the ?

Chemistry
1 answer:
Mashutka [201]3 years ago
6 0

Answer:

Electrons around the nucleus

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Which of the following is not a feature of iron (III) oxide?
nataly862011 [7]

B for sure, considering iron oxide is just fancy for rust.

3 0
3 years ago
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Colors of light with shorter wavelengths - A: have less energy than colors with longer wavelengths Strike Reset B: have more ene
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Answer is in the photo. I can't attach it here, but I uploaded it to a file hosting. link below! Good Luck!

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3 years ago
For the following reaction, 35.4 grams of zinc oxide are allowed to react with 6.96 grams of water . zinc oxide(s) + water(l) --
IRISSAK [1]

Answer:

m_{Zn(OH)_2}=38.4g

Explanation:

Hello!

In this case, for the undergoing chemical reaction:

ZnO(s)+H_2O(l)\rightarrow Zn(OH)_2

We evaluate the yielded moles of zinc hydroxide by each reactant as shown below:

n_{Zn(OH)_2}^{by ZnO}=35.4gZnO*\frac{1molZnO}{81.38gZnO}*\frac{1molZn(OH)_2}{1molZnO}  =0.435molZn(OH)_2\\\\n_{Zn(OH)_2}^{by H_2O}=6.96gH_2O*\frac{1molH_2O}{18.02gH_2O}*\frac{1molZn(OH)_2}{1molH_2O}  =0.386molZn(OH)_2

In such a way, since the water yields a smaller amount of zinc hydroxide we conclude it is the limiting reactant so the maximum mass is computed below:

m_{Zn(OH)_2}=0.386molZn(OH)_2*\frac{99.424 gZn(OH)_2}{1molZn(OH)_2} \\\\m_{Zn(OH)_2}=38.4g

Because the water limits the yielded amount of zinc hydroxide.

Best regards!

5 0
3 years ago
What is the unit of Avogadro's number?
kompoz [17]

Answer:

it may be electron, atom or ions depend on the nature of the substance and the character of reaction

like :- particles per mole, coulombs per electron

8 0
3 years ago
If you want 370 mL of 2.3 M AgNO3 solution, how many grams of AgNO3 do you need?
Allisa [31]

dont use that link its bad

8 0
3 years ago
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