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mariarad [96]
3 years ago
7

Definition of compounds​

Chemistry
1 answer:
Viefleur [7K]3 years ago
5 0
A thing that is composed of two or more separate elements; a mixture.
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Write the equation for the dissolution of sodium carbonate in water as found in your laboratory guide.
Arisa [49]
Na₂CO₃(s) → 2Na⁺(aq) + CO₃²⁻(aq)
The sodium carbonate formed from a strong base and a weak acid. Hydrolysis is subjected to the anion of a weak acid.

CO₃²⁻ + H₂O ⇄ HCO₃⁻ + OH⁻
HCO₃⁻ + H₂O ⇄ H₂CO₃ + OH⁻

pH>7 alkaline solution

2Na⁺ + CO₃²⁻ + 2H₂O ⇄ 2Na⁺ + 2OH⁻ + H₂CO₃
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3 years ago
D) When atoms form ions they become more stable as they gain a ?
maria [59]

Answer:

Like the inert gases(noble gases).

Explanation:

6 0
3 years ago
In a certain time, light travels 4.96 km in a vacuum. during the same time, light travels only 3.36 km in a liquid. what is the
Natali5045456 [20]

the refractive index of the liquid is 1.476

The refractive index, which has no dimensions, measures how quickly light passes through a substance.

It can also be described as the difference between the speed of light in a vacuum and a medium.

Refractive index is equal to the product of the light's liquid and vacuum speeds.

Therefore.

speed of light in vacuum = 4.96 km/t

speed of light in liquid = 3.36 km/t

Refractive index = 4.96/3.36

Refractive index =1.476

Therefore, the refractive index of the liquid is 1.476

To learn more about refractive index

brainly.com/question/23750645

#SPJ4

6 0
1 year ago
If you need to measure the mass of a greeting card you are sending to a friend through the mail, what unit of measurement would
erica [24]
You would use grams to measure ot
4 0
3 years ago
What is one way water moves through the nonliving parts of an ecosystem during the water system?
tatyana61 [14]

Answer:

Water moves through the help of living organisms in an ecosystem. ... Plants absorbs water through their root system and loss by transpiration. Water also moves through the living organisms in an ecosystem. Other nonliving processes such as evaporation, precipitation, water returns back into the atmosphere.

Explanation:

hope this helps you

5 0
3 years ago
Read 2 more answers
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