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miss Akunina [59]
3 years ago
11

What is the density of fresh water

Chemistry
2 answers:
Nastasia [14]3 years ago
8 0

Answer:

Density of fresh water is the mass per unit volume of the fresh water.

Explanation:

The term Density can be defined as the mass per unit volume of a substance.

The mathematical expression for density;

{Density of fresh water}=\frac{\text{Mass}}{\text{Volume}}

The symbol for density is P, pronounced as "rho".

Also, the SI unit for measuring density is kg/m³.

The density of a material varies with temperature and pressure. This variation is typically small for solids and liquids but much greater for gases.

Anna [14]3 years ago
4 0

Answer:

about 1000 kg/m3

Explanation:

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Answer:

Fossils are essentially clues that have been left behind by various forms of living things. They are instrumental tools for understanding the diverse groups of organisms that have inhabited our planet at one time or another. A fossil is any preserved evidence of an organism.

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Explanation:

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An amphoteric species is neither an acid nor a base. True or False
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Answer: False

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Electrolysis breaks down water to form hydrogen and oxygen gas. The word equation that represents this reaction is: water
Evgen [1.6K]

Answer:

When a reduction reaction and an Oxidation reaction takes place due to passing of current through water the molecules of water split into the compounds. Where it is made up of hydrogen in its state of gas and also Oxygen in its state of gas this method is most vastly is known as electrolysis.

In this process a certain direct current is passed from inside water. This direct current value can be near about 1.23 voltages the reaction that happens inside is given below.

           2 Water---> Oxygen + 4 hydrogen ions + 4 Electrons

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6 0
3 years ago
How many grams of kclo3 are needed to make 30.0 grams of kcl
lubasha [3.4K]

The mass of  potassium chlorate, KClO₃ needed to produce 30 grams of potassium chloride, KCl is 49.33 grams

<h3>Balanced equation </h3>

2KClO₃ —> 2KCl + 3O₂

Molar mass of KClO₃ = 39 + 35.5 + (16×3) = 122.5 g/mol

Mass of KClO₃ from the balanced equation = 2 × 122.5 = 245 g

Molar mass of Kcl= 39 + 35.5 = 74.5 g/mol

Mass of KCl from the balanced equation = 2 × 74.5 = 149 g

SUMMARY

From the balanced equation above,

149 g of KCl were obtained from 245 g of KClO₃

<h3>How to determine the mass of KClO₃ needed </h3>

From the balanced equation above,

149 g of KCl were obtained from 245 g of KClO₃

Therefore,

30 g of KCl will be obtained from = (30 × 245) / 149 = 49.33 g of KClO₃

Thus, 49.33 g of KClO₃ are needed for the reaction

Learn more about stoichiometry:

brainly.com/question/14735801

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2 years ago
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Answer:

Condensation and Depositon

Explanation:

Condensation is from gas to liquid

Deposition is from gas to solid

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