Is calcium hydroxide an ionic compound, covalent compound, or acid?

A wide range of molecular compounds dissolve in water. this allows water to act as a medium for moving molecules into and out of

Sergio [31]

Lipids cannot dissolve in water.

8 0

3 years ago

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Which of the following best describes your choice? It’s my best explanation for now, but I really would have to test my idea to

HACTEHA [7]

I can deduce here that the best that describes my choice is: It’s my best explanation for now, but I really would have to test my idea to be sure.

<h3>What is choice?</h3>

Choice actually refers to the act of choosing between two or more things. It has to do with going with the option, idea, decision, product or something that one prefers.

When we make choices, it depicts what we actually want. Some people still make wrong choices. The choices people make can either make or mar them in the present or future.

Looking at the given question, my choice is actually the first option.

It's clear that the idea hasn't been tested in order to be sure though it's has the best explanation.

Learn more about choice on brainly.com/question/6947486

#SPJ1

8 0

2 years ago

A pair of students found the temperature of 100. g of water to be 26.5°C. They then dissolved 8.89 g of AgNO3 in the water. When

bekas [8.4K]

Explanation:

Initial temperature of the water = $T_i=26.5^oC$

Final temperature of the water = $T_f=23.7^oC$

a) Change in temperature of the water,ΔT = $T_f-T_i$

$\Delta T=23.7^oC-26.5^oC=-2.8^oC$

Change in temperature of the water,ΔT is -2.8°°C.

b) Endothermic reaction : Reaction in which heat absorbed and the temperature if the surrounding is decreased.

Exothermic reaction : Reaction in which heat released and the temperature if the surrounding is increased.

On dissolving silver nitrate in water the temperature of the water decreased 2.8 degree Celsius which means that energy water was absorbed by solid silver nitrate to get dissolve in water. Hence, endothermic reaction.

(f) Mass of silver nitrate = 8.89 g

Moles of silver nitrate = $\frac{8.89 g}{170 g/mol}=0.05229 mol$

$AgNO_3(aq)\rightarrow Ag^+(aq)+NO_3^-(aq)$

1 mole of silver nitrate gives 1 mole of silver ion i.e. cation.

Then 0.05229 moles of silver nitrate will give:

$\frac{1}{1}\times 0.05229 mol=0.05229 mol$ silver ions.

0.05229 moles of cations are produced.

1 mole of silver nitrate gives 1 mole of nitrate ion i.e. anion .

Then 0.05229 moles of silver nitrate will give:

$\frac{1}{1}\times 0.05229 mol=0.05229 mol$ nitrate ions.

0.05229 moles of anion are produced.

5 0

3 years ago

Convert the following: 4.6L(liters) to ml(milliliters).

Minchanka [31]

Answer:

D

Explanation:

6 0

3 years ago

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What is significant about the temperature absolute zero?

Reptile [31]

Explanation:

The absolute temperature is the lowest possible temperature in the universe. At this temperature, all atoms become motionless and cease to move.

The value of the absolute zero is pegged at -273.16°C.

It is the lowest limit of the coldness of a body.
Nothing can be colder than a body at absolute temperature.
Many researches are underway to take advantage of this temperature value for scientific purpose.
Thermodynamically, all process stops at this temperature.
When a body is brought close a body at absolute zero, it can suffer cryogenic burn due to heat transfer.

4 0

3 years ago