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kirza4 [7]
3 years ago
7

Complete the following equations (note that the equations are not balanced). Use the activity series if necessary. Li >>Ba

> Sr> Ca > Na > Mg > AI > Mn> Zn > Cr> Fe > Cd > Co > Ni > Sn > Pb>H> Sb> Bi > Cu > Ag > Pd > Hg > Pt > Au Na+Cl2 → ?
- NaCl
- NaCl2
- Na2Cl​
Chemistry
2 answers:
Gelneren [198K]3 years ago
7 0

Answer: NaCl

Explanation:

Na+ Cl2 ----> NaCl

Fiesta28 [93]3 years ago
3 0

Answer:

its C

Explanation:

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Part B When carbon is burned in air, it reacts with oxygen to form carbon dioxide. When 22.8 g of carbon were burned in the pres
aksik [14]

<u>Answer:</u> The amount of carbon dioxide gas produced in the reaction is 83.6 grams

<u>Explanation:</u>

As, some amount of oxygen gas is left after the reaction is completed. So, it is present in excess and is considered as an excess reagent.

Thus, carbon is considered as a limiting reagent because it limits the formation of product.

To calculate the number of moles, we use the equation:

\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}     .....(1)

Given mass of carbon = 22.8 g

Molar mass of carbon = 12 g/mol

Putting values in equation 1, we get:

\text{Moles of carbon}=\frac{22.8g}{12g/mol}=1.9mol

The chemical equation for the reaction of carbon and oxygen gas follows:

C+O_2\rightarrow CO_2

By Stoichiometry of the reaction:

1 mole of carbon produces 1 mole of carbon dioxide gas

So, 1.9 moles of carbon will produce = \frac{1}{1}\times 1.9=1.9moles of carbon dioxide gas

Now, calculating the mass of carbon dioxide from equation 1, we get:

Molar mass of carbon dioxide = 44 g/mol

Moles of carbon dioxide = 1.9 moles

Putting values in equation 1, we get:

1.9mol=\frac{\text{Mass of carbon dioxide}}{44g/mol}\\\\\text{Mass of carbon dioxide}=(1.9mol\times 44g/mol)=83.6g

Hence, the amount of carbon dioxide gas produced in the reaction is 83.6 grams

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3 years ago
Do you think it is important for archaeological sites to be protected from development once they are discovered? What are the pr
Oxana [17]

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Which of the following elements would you expect to be ductile and
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Answer:

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Lets say you were doing an experiment on two different chemicals in two different test tubes. One chemical is giving off oxygen
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Answer:

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Hydrogen, oxygen, carbon dioxide, ammonia and chlorine can be identified using different tests.

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hope it will help

5 0
2 years ago
Which correctly describes the reaction between potassium and excess water?
nika2105 [10]
Balanced chemical reaction: 2K(s) + 2H₂O(l) → 2KOH(aq) + H₂(g).

KOH is inorganic compound p<span>otassium hydroxide, a strong base.
H</span>₂ is hydrogen gas.
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