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SIZIF [17.4K]
2 years ago
7

I need help with this ASAP PLEASE

Chemistry
1 answer:
Artemon [7]2 years ago
5 0

439.3 g CO2

Explanation:

First find the # of moles of CO2 that results from the combustion of 3.327 mol C3H6:

3.227 mol C3H6 × (6 mol CO2/2 mol C3H6)

= 9.981 mol CO2

Use the molar mass of CO2 to determine the # of grams of CO2:

9.981 mol CO2 x (44.01 g CO2/1 mol CO2)

= 439.3 g CO2

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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
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Answer:

391.28771 pounds of carbon-dioxide released into the atmosphere.

Explanation:

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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)

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

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

Then 505.1637 mol of octane will give:

\frac{16}{2}\times 505.1637 mol=4,041.3100 mol of carbon-dioxide

Mass of 4,041.3100 mol of carbon-dioxide:

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

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3 years ago
How are large polymers formed? by repetitive combinations of simple subunits by the addition of halogens to a small molecule by
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Answer:

How are large polymers formed? by repetitive combinations of simple subunits by the addition of halogens to a small molecule by combining a few different and larger molecules by combining many different and smaller molecules

Explanation:

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1 year ago
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