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4 years ago

Which unit would be most appropriate for measuring the volume of water in a swimming pool?

Chemistry

2 answers:

melamori03 [73]4 years ago

6 0

Answer:

Liters

Explanation:

Just like meters, liters is used to calculate large volumes of liquid, not solids. :) I hope this helped!

poizon [28]4 years ago

4 0

Answer:

Kiloliters

Explanation:

i just did it in USATestprep

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Why is vapor pressure higher in oil than water if water has stronger IMF’s?

Aleksandr-060686 [28]

Answer:

A liquid's vapor pressure is directly related to the intermolecular forces present between its molecules. The stronger these forces, the lower the rate of evaporation and the lower the vapor pressure.

Explanation:

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3 years ago

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What determines the types of chemical reactions that an atom participates in? A. the number of electrons in the outermost electr

Dafna1 [17]

Answer:

The answer would be A. the number of electrons in the outermost electron shell.

Explanation:

These are called valence electrons which are transferred, shared, and rearranged by creating covalent bonds producing new substances.

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8 0

3 years ago

Lemon juice has a pH of about 2.0, compared with a pH of about 1.0 for stomach acid. Therefore, the concentration of H+ in stoma

LuckyWell [14K]

Answer:

The concentration of H⁺ in stomach acid is approximately ten times greater than that of lemon juice.

Explanation:

The H⁺ concentration of a solution is exponentially related to its pH value:

$\rm [H^{+}] = 10^{-pH}$ .

For lemon juice:

$\rm [H^{+}] = 10^{-2.0} = 0.01\; M$ .

For stomach acid:

$\rm [H^{+}] = 10^{-1.0} = 0.1\; M$ .

Thus, the concentration of H⁺ in stomach acid is approximately ten times greater than that of lemon juice.

5 0

3 years ago

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Laughing gas, N2O, also known as nitrous oxide contains 28.01 g of nitrogen in every 44.01 g of nitrous oxide. What mass of nitr

Sav [38]

Answer : The mass of nitrous oxide formed from 85.20 g of nitrogen is, 133.9 grams.

Explanation :

As we are given that, 28.01 g of nitrogen is present in 44.01 g of nitrous oxide. Now we have to determine the mass of nitrous oxide formed from 85.20 g of nitrogen.

As, 28.01 g of nitrogen is present in 44.01 g of nitrous oxide

So, 85.20 g of nitrogen is present in $\frac{85.20}{28.01}\times 44.01=133.9g$ of nitrous oxide

Thus, the mass of nitrous oxide formed from 85.20 g of nitrogen is, 133.9 grams.

4 0

3 years ago

Help Pleaseee!

bija089 [108]

Protons + and electrons - must be equal

3 moles of C has a mass of 36, 3 moles of He is 12

so the answer is :
The carbon sample would have three times the mass of the helium sample

hope this helps

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3 years ago

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