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qwelly [4]
3 years ago
8

An automobile can travel 40.0 miles on one gallon of gasoline how many kilometers per liter is this

Chemistry
2 answers:
Dmitrij [34]3 years ago
8 0
Sent a pic of your problem and worked it out.

Leya [2.2K]3 years ago
6 0

Answer: 17.04 km/L

Explanation:

Given: An automobile can travel 40.0 miles on one gallon of gasoline

That is 40 miles/ gallon

Now using the conversion factor :

1 mile = 1.61 km

Thus 40 miles =\frac{1.61}{1}\times 40=64.4km

Alsousing the conversion factor

1 gallon = 3.78 L

Thus 40miles/gallon will be \frac{64.4km}{3.78L}=17.04km/L

Thus the answer is 17.04 km/L.

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Explanation:

nuclear fusion yields more energy than nuclear fission and the products of the reaction are not radioactive

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What is the competition and what are the types of symbiosis?
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Symbiosis describes close<span> interactions between two or more different species. There are four main types of symbiotic relationships: mutualism, commensalism, parasitism and competition.</span>
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Calculate the ph of sweater which has a hydrogen ion concentration of 1 times 10 to the power of 8
telo118 [61]

Answer:

The pH of the sweater containing Hydrogen ion concentration

[H^{+}]=1\times 10^{-8} is

<u>8</u>

<u></u>

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pH = It is the negative logarithm of activity (concentration) of hydrogen ions.

pH = -log([H+])

Now, In the question the concentration of [H+] ions is :

[H^{+}]=1\times 10^{-8}

pH = -log(1\times 10^{-8})

use the relation:

log(10^{-a})=a

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Note : <em><u> 1 times 10 to the power of 8 must be" 1 times 10 to the power of -8"</u></em>

If the concentration is

[H^{+}]=1\times 10^{8}

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5 0
3 years ago
Devante buys a helium birthday balloon for his mom at the grocery store, where the temperature is a comfortable 72oF. He takes t
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3 years ago
What is the mass of 2.40 moles of magnesium chloride, mgcl2
LiRa [457]

Hey there!

MgCl₂

Find molar mass of magnesium chloride.

Mg: 1 x 24.305

Cl: 2 x 35.453

--------------------  

          95.211 grams

One mole of magnesium chloride has a mass of 95.211 grams.

We have 2.40 moles.

2.40 x 95.211 = 228.5

To 3 sig figs this is 229.

The mass of 2.40 moles of magnesium chloride is 229 grams.

Hope this helps!

4 0
3 years ago
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