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Mkey [24]
3 years ago
9

really need this answer

Chemistry
1 answer:
scoundrel [369]3 years ago
3 0

Answer:

B 100,000%

Explanation:

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The production of NOx gases is an unwanted side reaction of the main engine combustion process that turns octane, C8H18, into CO
borishaifa [10]

Answer:

710,33 g NO2

Explanation:

2 C8H18 + 25 O2 → 16 CO2 + 18 H2O  

(800 g octane) / (114.2293 g C8H18/mol x (25/2)) = 87.54 mol O2 used to combust the octane

87.54 mol O2 x \frac{15}{85} = 15.44 mol O2 used to form NO2

O2 + 2NO → 2NO2

(15.44 mol O2) x (2/2) x (46.0056 g NO2/mol) = 710,33 g NO2

4 0
3 years ago
Read 2 more answers
How do you convert from Fahrenheit to Celsius temperatures
balu736 [363]
Well, 1st, you need to take the Fahrenheit temperature and subtract it from 32, make sure you put it in parentheses. Then, 2nd, you multiply it by it by 5/9. Here's an example of my explanation didn't make since:
T(°C) = (68°F - 32) × 5/9 = 20 °C
And that's how you convert Fahrenheit to Celsius temperatures.
5 0
3 years ago
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All compounds of carbon are made by _____.
Andrew [12]

Answer:

Covalent bonding

Explanation:

Covalent bonding is the bond that holds all compound that are formed by carbon.

It is a very strong intermolecular bond that holds the structure of carbon compounds in place.

Principally, covalent compounds are formed by sharing of electrons between contributing atoms.

Covalent bonds are the strongest bond types. A reason for this conclusion can be see in case of diamond. Here, there is a covalent linkage between the atoms present and the strength of these bonds is responsible for how strong the diamond crystal is

4 0
3 years ago
Which of these is a physical property? a.flammability b. pH value c. reactivity with oxygen d. smell
Delvig [45]

If I'm not mistaking the answer is C. Reactiviy with oxygen. Hopfully I'm correct and I hope it helps!

5 0
3 years ago
Organisms that are producers
goldfiish [28.3K]

Answer:

Grass, trees, and flowers.

Explanation:

A producer converts the suns energy to make its own food, and a producer uses photosynthesis.

7 0
3 years ago
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