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gtnhenbr [62]
3 years ago
10

Which substance is most likely to dissolve in greater quantities in cold water? (1 point)

Chemistry
1 answer:
Maksim231197 [3]3 years ago
7 0

Sodium chloride is more soluble in cold water.

The solubility of a substance in water depends on the nature of the substance. Ionic substances and polar substances are highly soluble in water.

Sodium chloride is soluble in cold water because the hydration energy of the compound is far greater than lattice energy therefore it is easily soluble in water compared to other substances listed.

Learn more: brainly.com/question/8591226

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Which statement is true of a chemical change?
Andru [333]
The appropriate answer is a. it involves a change in the molecular structure of the substance. A change in phase or state is referred to as a physical change. For example...liquid water freezing is a physical change because the state changes but solid water is still H20. Separating water into its constituent atoms, hydrogen and oxygen is a chemical change because the molecular structure of water is now non existent.
5 0
3 years ago
Read 2 more answers
Determine the formula unit for the compound formed when each pairs of ions interact.
maksim [4K]

The formula unit of compounds formed depends on the valency of the combining ions.

The formula unit is the smallest unit of an ionic substance that gives us a picture of the ratio in which ions are combined in the ionic compound.

Usually, the formula unit is written based on the valency of the ions.

For the ions listed;

Li+ and 02- forms Li2O

Mg2+ and S2- forms MgS

A13+ and CI- forms AlCl3

Na+ and N3- forms Na3N

Learn more: brainly.com/question/9743981

3 0
2 years ago
HARD QUESTION (really need help)
torisob [31]

Answer:

answer is A

hope this helps

5 0
3 years ago
. Explain why, in the sample calculations, 0.1 g of the unknown produced a GREATER freezing point depression than~e same mass of
dimulka [17.4K]

Answer

Naphthalene is a non electrolyte

If the unknown compound is an electrolyte it gives 2 or more ions in solution

( NaCl >> Na+ + Cl- => 2 ions

Ca(NO3)2 >> Ca2+ + 2 NO3- => 3 ions)

the f.p. lowering is directly proportional to the molal concentration of dissolved ions in the solution )

For naphthalene

delta T = 1.86 x m

for a salt that gives 2 ions

delta T = 1.86 x m x 2

hence the lowering in freezion point of unkown is greater then napthalene

6 0
3 years ago
How many total atoms does 3Na2S2O3 have
LUCKY_DIMON [66]

Answer:

21

Explanation:

Let us count the number of individual atoms for Na2S2O3 (the compound name):

Na: 2

S: 2

O: 3

This brings us to a total of 7 atoms for one molecule of sodium thiosulfate. For three of these compounds, we get 3*7=21

6 0
2 years ago
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