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antiseptic1488 [7]
3 years ago
9

1.How far can you travel if you drive 4 hours and can average 120 Km/hr?

Chemistry
2 answers:
forsale [732]3 years ago
8 0

Answer:

B

Explanation:

D=S×T

=120km/h×4hrs

=480km

alexandr1967 [171]3 years ago
3 0

Answer:

the answer is b

Explanation:

this is the answer :)

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Which of the following actions will lead to an increase in pressure?
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C10H22 > C8H18+C2H4 if only ethane can be sold what is the atom econmy of this process
insens350 [35]

Answer:

The atom economy of ethane in this process is 19.72 %.

What is atom economy?

The conversion efficiency of a chemical reaction in terms of all the atoms involved and the desired products produced is known as atom economy (atom efficiency/percentage).

Explanation:

C₁₀H₂₂ → C₈H₁₈ + C₂H₄

Molecular weight of C₁₀H₂₂ = 142.28

Molecular weight of C₈H₁₈ = 114.228
Molecular weight of C₂H₄ = 28.053

% Atom economy =     \frac {Molecular weight of C2H4} {Molecular weight of C10H22}

                             = \frac{28.053}{142.28}*100

                             = 19.716 %

                             ≈ 19.72 %


To know more about atom economy, click on the link

brainly.com/question/17159753

#SPJ9

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1 year ago
The volume of a given quantity of a gas must increase if:
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<span>D the temperature decreases and the pressure increases</span>
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