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Gennadij [26K]
3 years ago
5

Please help! Question is on the bottom​

Chemistry
1 answer:
choli [55]3 years ago
8 0
It’s extremely bad quality I really can’t read it
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Given the following equation, what is the correct form of the conversion factor needed to convert the number of moles of O₂ to t
djverab [1.8K]

Answer : The correct option is (c) \frac{2\text{ mole of }Fe_2O_3}{3\text{ mole of }O_2}

Explanation :

The given balanced chemical reaction is,

4Fe(s)+3O_2(g)\rightarrow 2Fe_2O_3(s)

From the balanced chemical reaction, we conclude that

As, 3 moles of O_2 react to give 2 mole of Fe_2O_3

So, 1 mole of O_2 react to give \frac{2\text{ mole of }Fe_2O_3}{3\text{ mole of }O_2} moles of Fe_2O_3

Thus, the conversion factor needed to convert the number of moles of O_2 to the number of moles of Fe_2O_3 produced is \frac{2\text{ mole of }Fe_2O_3}{3\text{ mole of }O_2}

Hence, the correct option is (c) \frac{2\text{ mole of }Fe_2O_3}{3\text{ mole of }O_2}

7 0
2 years ago
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If 5.0 g of copper metal reacts with a solution of silver nitrate, how many grams of silver metal are recovered?
sukhopar [10]

Answer:

16.9g

Explanation:Cu+2AgNO3→2Ag+Cu(NO3)2  

Cu will likely have a +2 oxidation state. It is higher in the activity series than Ag, so it is a stronger reducing agent and will reduce Ag in a displacement reaction. Then you need to balance the coefficients knowing than NO3 is -1 and Ag is +1.

Then to calculate the theoretical yield you need to compare moles of the reactants:

m(Cu)=5g

M(Cu)=63.55

n(Cu)=5/63.55=0.0787

By comparing coefficients you require twice as much silver: 0.157mol

n(Ag)=0.157

M(Ag)=107.86

m(Ag)=0.157x107.86=16.9g

Hence, the theoretical yield of this reaction would be 16.9g

3 0
2 years ago
Which characteristic can be inherited?
FinnZ [79.3K]

Answer:

long toes

Explanation:

the other traits are personality related, not a biological factor. they can be learned, but not inherited

6 0
2 years ago
**MEDAL AND FAN** what structural units make up metallic solids?
Margarita [4]
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Metallic solids consist of metal ions which are surrounded by delocalized electrons.
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2 years ago
At one point in your life, you might have played on a swing. Have you ever wondered why, after the first swing, it will slow dow
cestrela7 [59]

Answer:

at the top of the swing

at the top of the swing

at the bottom of the swing

at the bottom of the swing

Explanation:

7 0
3 years ago
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