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spin [16.1K]
3 years ago
11

What is the effect of temperature and density on the movement of water?

Chemistry
1 answer:
Rus_ich [418]3 years ago
8 0
<span>temperature affects the movement of water because if the liquid is cold the molecules come together. Therefore, the water moves slower, and if the liquid is hot the molecules spread apart and move faster.<span>
</span></span>
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Liquids and solids are referred to as "condensed phases" because the attractive forces cause molecules to become stationary. lea
Savatey [412]

Answer:

leave little space between the molecules.

Explanation:

Matter is made up of small particles called molecules. These molecules present in matter are arranged inside its bulk.

In liquids and solids, the molecules are arranged very close together in such a way that there is only a little space between them. This is why liquids and solids are referred to as "condensed phases".

They are quite unlike gases where there is a lot of space between gas molecules.

7 0
2 years ago
Read 2 more answers
Determine whether or not each ion contributes to water hardness.
Virty [35]

Answer: The ion that contribute to water hardness are:

--> a. Ca2+

--> b. (HCO)3^- and

--> c. Mg2+

While K+ DOES NOT contribute to water hardness.

Explanation:

WATER in chemistry is known as a universal solvent. This is so because it is polar in nature and dissolves most inorganic solutes and some polar organic solutes to form aqueous solutions. It is composed of elements such as hydrogen and oxygen in the combined ratio of 2:1.

Water is said to be HARD if it does not lather readily with soap. There are two types of water hardness:

--> Permanent hardness: This is mainly due to the presence of CALCIUM and MAGNESIUM ions in the form of soluble tetraoxosulphate(VI) and chlorides. These ions are removed by adding washing soda or caustic soda.

--> Temporary hardness: This is due to the presence of calcium HYDROGENTRIOXOCARBONATES. It can be removed by boiling and using slaked lime.

Therefore from the above given ions, Ca2+,(HCO)3^- and Mg2+ contributes to water hardness.

4 0
2 years ago
What is the molecular geometry of PBr3? A. trigonal pyramidal B. trigonal planar C. linear D....
lubasha [3.4K]
The correct answer is:

TRIGONAL PYRAMIDAL
4 0
2 years ago
How many grams of KBr are contained in 150. mL of a 0.154 M solution of potassium bromide?
Lostsunrise [7]

Answer:

I think it is B

Explanation:

because the others don't look right

6 0
2 years ago
What is one question I would ask from conducting a research on inhalants?
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What age group typically uses inhalants? I hope that’s a good one
6 0
3 years ago
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