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Ahat [919]
4 years ago
10

At room temp attire a mixture of sand and water can be separated by

Chemistry
1 answer:
Elza [17]4 years ago
8 0
Sand and water can be separated by filtration using a filter funnel and to get pure water it can be distilled.
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Convert 31.9 g of N2 to moles
pashok25 [27]

Answer: 1.14mol

Nitrogen molar mass=14g/mol

N2 molar mass=14*2=28g/mol

31.9g(1/28)=1.14mol N2

5 0
3 years ago
1. Balance the chemical reaction for the production of hydrogen cyanide: __ NH3(g) + __ O2(g) + __ CH4(g) → __ HCN(g) + __ H2O(g
Solnce55 [7]
<span>2 NH</span>₃<span> + 3 O</span>₂<span> + 2 CH</span>₄<span> </span>⇒<span> 2 HCN + 6 H</span>₂<span>O
2mol                     :           2mol
34g                       :           54g
25,1g                    :           x

x = (25,1g * 54g) / 34g </span>≈ 39,9g<span>
</span>
5 0
3 years ago
Potassium chloride dissolved in pure water is an
postnew [5]

Answer:

A) An ionic compound dissolved in a polar solvent

Explanation:

Potassium Chloride's chemical formula is KCl. Most ionic compounds are formed between a nonmetal and a metal. In this case, potassium is acting as the metal and chloride is the nonmetal. Water is a polar solvent due to the electronegativity of the oxygen in the molecule creating a partial negative pole, leaving the hydrogen atoms partially positive. Hence, A is your best answer.

If I helped, a brainliest would be greatly appreciated!

8 0
3 years ago
Read 2 more answers
What is a chemical substance that cannot be broken down into another chemical substance?
Dimas [21]

Molecule is a chemical substance that cannot be broken down into another chemical substance.

4 0
4 years ago
PLEASE HELP PLEASE HELP PLEASE HELP PLEASE HELP PLEASE HELP PLEASE HELP PLEASE HELP PLEASE HELP PLEASE HELP PLEASE HELP PLEASE H
vfiekz [6]

Answer:

AU9NJ-BLVHV-TCLJS-54YTB

6 0
3 years ago
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