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lawyer [7]
3 years ago
14

Balance the following equations ___Fe + __O2= ___Fe3O4

Chemistry
1 answer:
snow_lady [41]3 years ago
4 0
3Fe + 2O2 = Fe3O4

There needs to be the same amount of each element on each side of the equation !
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How many grams are in 2.54 x 10^23 molecules of CO2
Ivan

Answer:

=<em><u> 0.42 moles of CO2 </u></em>

Explanation:

From Avogadro's constant

6.02×10^23 molecules are in 1 mole of CO2

2.54×10^23 molecules will be in

=[(2.54×10^23) ÷ (6.02×10^23)]

= 0.42 moles of CO2

8 0
3 years ago
Solid waste is eliminated from the body through the esophagus agree or disagree
maria [59]
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3 years ago
Butane, C4H10, is a component of natural gas that is used as fuel for cigarette lighters. The balanced equation of the complete
zavuch27 [327]

Answer:

So the volume will be 2.33 L

Explanation:

The reaction for the combustion is:

2 C₄H₁₀ (g) + 13 O₂ (g) → 8 CO₂ (g) + 10 H₂O (l)

mass of butane to moles (mass / molar mass)

1.4 g / 58 g/mol

= 0.024 moles

2 moles of butane can produce 8 moles of carbon dioxide

0.024 moles of butane must produce (0.024 × 8) /2

= 0.096 moles of CO₂

Now we apply the Ideal Gases Law to find out the volume formed.

P . V = n . R . T

p = 1atm

n = 0.096 mol

R = 0.082 L.atm/mol.K

T = 273 + 23 = 296K

V = ?

1atm × V = 0.096 mol × 0.082 L.atm/mol.K × 296K

V = 0.096 mol × 0.082 L.atm/mol.K × 296K / 1atm

= 2.33 L

So the volume will be 2.33 L

5 0
3 years ago
Read 2 more answers
which of the following requires the most energy to break a bond? a. breaking cl-br bond. b. breaking a n-p bond. c. breaking a o
irina1246 [14]

A. Breaking a Cl-Br bond

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3 years ago
I NEED HELP PLEASEEEEEE I WILL RATE BRAINLIEST!!!!
MrRa [10]
<span>0.002 moles is the answer </span>
8 0
3 years ago
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