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saveliy_v [14]
2 years ago
6

Write the complete balanced equation for the reaction between aluminum metal (Al) and oxygen gas (O2).

Chemistry
1 answer:
Arlecino [84]2 years ago
7 0
Your answer is sooo close!!! But I think it is precisely about the same. :)
4AI(s) + 302(g) = 2 AI203(s)

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Energy transformation of a kettle?
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<h3>Electrical energy into heat energy..</h3>

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What on earth is the oxidation number of N in N2H4?
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N =  - 2  

H = + 1

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If the volume is decreased from 5.15L to
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Increase

Explanation:

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Nitrogen gas plus hydrogen gas under pressure and at high temperature turns into ammonia. which of the chemical equations matche
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Calculate the number of pounds of CO2 released into the atmosphere when a 22.0 gallon tank of gasoline is burned in an automobil
IrinaK [193]

Answer:

391.28771 pounds of carbon-dioxide released into the atmosphere.

Explanation:

Density of the gasoline ,d= 0.692 g/mL

Volume of gasoline in an tanks,V = 22.0 gallons = 83,279.02 mL

Let mass of the gasolin be M

d=\frac{M}{V}

M = V × d = 83,279.02 mL × 0.692 g/mL=57,629.081 g

Assume that gasoline is primarily octane (given)

2C_8H_{18}+25O_2\rightarrow 16CO_2+18H_2O

Mass of octane burnt in the tank =  M = 57,629.081 g

Moles of octane =\frac{57,629.081 g}{114.08 g/mol}=505.1637 mol

According to reaction, 2 moles of octane gives 16 moles of carbon-dioxide.

Then 505.1637 mol of octane will give:

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Mass of 4,041.3100 mol of carbon-dioxide:

4,041.3100 mol × 44.01 g/mol = 177,858.05 g

Mass of carbon-dioxide produced in pounds = 391.28771 pounds

391.28771 pounds of carbon-dioxide released into the atmosphe

4 0
3 years ago
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