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Nikolay [14]
2 years ago
15

Ok help it’s for homework

Chemistry
2 answers:
never [62]2 years ago
4 0

Ability to moderate temperatures is not a property of water

cricket20 [7]2 years ago
4 0

Answer:

C. ability to contract upon freezing

Explanation:

Water can regulate temperatures, it can adhere to other substances via adhesion, and it is called the universal solvent because it can dissolve many types of substances.

When water freezes, it actually expands due to the lattice structure it assumes. In ice, there are more secure bonds that maintain the structure.

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How many salt and water would you use to prepare 10% salt solution?
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Answer:

We can make 10 percent solution by volume or by mass. A 10% of NaCl solution by mass has ten grams of sodium chloride dissolved in 100 ml of solution. Weigh 10g of sodium chloride. Pour it into a graduated cylinder or volumetric flask containing about 80ml of water.

Explanation:

have a good day

4 0
2 years ago
Compare an ionic and a molecular compound in terms of how each is formed
GREYUIT [131]

Answer:

Molecular compounds are pure substances formed when atoms are linked together by sharing of electrons while ionic compounds are formed due to the transfer of electrons.

Molecular compounds are made due to covalent bonding while ionic compounds are made due to ionic bonding.

Explanation:

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2 years ago
What substances are commonly formed during a chemical reaction but we can't see them?
Black_prince [1.1K]
Maybe gas? because you can’t see it and it’s formed during a chemical reaction
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2 years ago
Describe the importance of plaster of paris
mojhsa [17]

Answer:

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6 0
2 years ago
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skelet666 [1.2K]

Answer:

1 - e, 2 - k, 3 - a, 4 - i, 5 - b,

Explanation:

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8 0
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