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2 years ago

Hhheppppp fffaaast

Chemistry

1 answer:

umka21 [38]2 years ago

4 0

Answer:

False

Explanation:

Lead sulfate is insoluble in water and sinks in water

(sorry if it's wrong)

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Calculate the number of grams of sulfuric acid in 1 gallon of battery acid if the solution has a density of 1.25 g/mL and is 37.

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Answer:

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Explanation:

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2 years ago

Part B Change the distance of the electron from the center position as it moves up and down. What relationship do you notice bet

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2 years ago

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There are 4.78 g of dry LICIO4 and

astraxan [27]

Answer:

The number of moles of H₂O is 0.135 mol.

The number of moles of LiClO₄ is 0.0449 mol.

Explanation:

Mole is an important standard unit used for the measurement of large quantities of atoms, molecules, or other particles. One mole is equal to 6.022×10²³ units.

The number of moles of a substance is calculated by:

$\frac{mass of substance}{molecular weight of substance}$

To find the number of moles of H₂O:

Mass of H₂O in the sample = 2.43g

The molecular weight of H₂O = 18.02g

Number of moles = $\frac{2.43}{18.02}$ = 0.135 mol.

To find the number of moles of LiClO₄:

Mass of LiClO₄ given = 4.78g

The molecular weight of LiClO₄ = 106.39g

Number of moles = $\frac{4.78}{106.39}$ = 0.0449 mol.

Learn more about Moles here:

brainly.com/question/855186

#SPJ2

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2 years ago

How many molecules of ammonia are contained in 10.4 moles of ammonia, NH3?

Crank

Answer:

The answer is " $\bold{6.26 \times 10^{24} \ molecules \ NH_3}\\\\$ "

Explanation:

1-mole molecules as per Avogadro number $= 6.02 \times 10^{23} \ molecules\\\\$

1-mole $NH_3 \to 6.02 \times 10^{23} \ molecules\\\\$

$10.4 \ moles \ of \ \ NH_3 :$

$\to \frac{ 6.02 \times 10^{23} \ molecules }{ 1 \ mole\ NH_3} \times 10.4 \ mole \ NH_3\\\\ \to 6.02 \times 10^{23} \ molecules \times 10.4\\\\\to 62.608 \times 10^{23} \ molecules \\\\\to 6.26 \times 10^{24} \ molecules \ NH_3\\\\$

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2 years ago

Conduction, convection and radiation can occur in variety of ways. Give another example, like the campfire picture above, where

Lyrx [107]

Answer: Boiling water

Explanation:

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3 years ago