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Shalnov [3]
3 years ago
5

What is the density if the Mass is 138g and the Volume is 100mL?

Chemistry
1 answer:
Verdich [7]3 years ago
6 0

Answer:

1.38 g/ml

Explanation:

density is equal to mass divided by volume so divide 138 by 100 and your answer would be 1.38

hope it helped

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Pls it’s urgent
Rainbow [258]

Answer:

0.02 moles.

Explanation:

volume of H₂ gas at R.T.P = 480 cm³

Where

R.T.P = room temperature and pressure

molar volume of gas at = 24000 cm³

no. of moles of hydrogen = ?

Solution:

formula Used

       no. of moles = volume of gas / molar volume

put values in above equation

         no. of moles = 480 cm³ / 24000 cm³/mol

         no. of moles = 0.02 mol

So,

no. of moles of hydrogen in 480 cm³ is 0.02 moles.

4 0
3 years ago
Cholesterol is an example of a(n) _____. <br> monosaccharide polysaccharide <br> lipid <br> enzyme
seropon [69]

Cholesterol is an example of a lipid.

8 0
3 years ago
The theoretical yield of Cl2 from certain starting amounts of MnO2 and HCl was calculated as 60.25 g and 65.02 g, respectively.
hoa [83]

The actual yield is 43 g Cl₂.

The <em>limiting reactant was MnO₂</em> because it gave the smaller mass of Cl₂.

∴ The <em>theoretical yield</em> is 60.25 g Cl₂.

% yield = actual yield/theoretical yield × 100 %

Actual yield = theoretical yield × (% yield/100 %) = 60.25 g × (72 %/100%) = 43 g

8 0
3 years ago
miss girl help- You may not have ever heard of the Inupiat, Inuvialuit, or the Gwich'in peoples, but where can you infer that th
lara [203]

Answer:

The Gwichʼin or Kutchin are an Athabaskan-speaking First Nations people of Canada and an Alaska Native people. They live in the northwestern part of North

Explanation:

8 0
2 years ago
what does the statment mean. The properties of salts are different from the properties of the elements that go into making them
Olegator [25]
Think of it this way,
Mix Iron and sulphur in a bowl. How do you separate them? Use a magnet right. Yes.

Now, mix the iron and sulphur together but know, heat them up. Let them cool for a while. After that, use a magnet to separate. You cant. This is because the compound (FeS) now has a different property from its original components.

Apply this theory onto salts.
8 0
3 years ago
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