CHEMISTRY HIGH SCHOOL

A liquid mixture in which particles can be seen and easily separated by settling or filtration is aa. solution.
b. suspension.
c. solvent.
d. solute.

Answers

Answer 1
Answer: The answer for this statement is letter B. suspension. The liquid mixture in which particles can be seen and easily separated by settling or filtration is a  suspension. 
Answer 2
Answer:

Answer:

suspension

Explanation:

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Lakshmi has a sample of ammonium nitrate (NH4NO3) that has a mass of 40.10 g. She knows that the molar mass of NH4NO3 is 80.0432 g/mol. To the correct number of significant digits, how many moles of NH4NO3 does the sample contain?

Answers

The correct number of significant digits and moles of NH4NO is 0.500979 mol.

The molar mass is the mass of 1 mole of the substance.

  • Ammonium nitrate, (NH4NO3), a salt of ammonia and nitric acid, is used widely in fertilizers and explosives. The commercial-grade contains about 33.5 percent nitrogen, all of which is in forms utilizable by plants; it is the most common nitrogenous component of artificial fertilizers.
  • If the molar mass of nh4no3 is 80.0432 g/mol, that means there are 80.0432 g of substance in 1 mole. The question is how many moles is 40.10 g of substance.

80.0432 g : 1 mol = 40.10 g : x mol

By crossing the products:

Therefore:

x · 80.0432 g = 1 mol · 40.10 g

⇒ x = 40.10 ÷ 80.0432 mol

The correct number of significant digits and moles of NH4NO is 0.500979 mol.

Learn more about  ammonium nitrate

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Lakshmi has a sample of ammonium nitrate (NH4NO3) that has a mass of 40.10 g. She knows that the molar mass of NH4NO3 is 80.0432 g/mol. Divide 40.10 grams to 80.0432 g/mol and you will get 0.5010 moles.

Answer THIS QUESTION

Answers

Answer:it is 580

Explanation:

I had the answer on my quiz

17. Which type of chemical bond is formed between two atoms of bromine?

Answers

A non polar bond is formed between two bromine atoms. That means that the electrons are shared equally between the two atoms, and since we are sharing electrons, we use the term, 'covalent bond'.

Fill the 25-ml graduated cylinder with 11.5 mL
of water, what’s the volume?

Answers

Answer:

The volume of the water is 11.5 ml

Explanation:

Volume refers to the space occupied by a fluid.

Usually, a graduated cylinder is used to measure the volume of a fliud. Hence, the volume of the fluid as measured by the graduated cylinder in this case is 11.5 no.

Helpp chemistry ..........

Answers

Half-life is the time it takes for the radioactive material's mass to decrease by half.

So, half of 96 is 48
half of 48 is 24
half of 24 is 12
half of 12 is 6

96->48->24->12->6

You count how many arrows (->) there is.
Which is 4

Then you use the 12 minutes the question gave you to do:
12 divided by 4
= 3

So, one half-life (Or the time it takes for the radioactive material's mass to decrease in half) is 3 minutes

and every 3 minutes it will decrease by half.

Give the number of significant figures: 3.10 cm

Answers

There are 3 significant figures.

Non-zero digits are always significant.

Any zeros between two significant digits are significant.

A final zero or trailing zeros in the decimal portion ONLY are significant.
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