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spin [16.1K]
3 years ago
10

Examples of pure and impure substances

Chemistry
2 answers:
erastova [34]3 years ago
8 0
Pure- table salt
Impure- vegetable oil
Sladkaya [172]3 years ago
8 0

Examples of pure substances are water, diamond, table salt

Examples of impure substances are muddy water, air, sugar in water

<u>Explanation</u>:

  • A pure substance is one that is made up of only one element or one chemical compound. It has no impurities. They can be elements or compounds.
  • It has definite properties and composition.
  • Examples are water, diamond, table salt, etc.
  • An impure substance is one that is made up of two or more elements or compounds that are not chemically bonded. It is a mixture.
  • It has no definite composition or properties.
  • Examples are muddy water, sugar in water, air, etc.
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To convert from liters/second to cubic gallons/minute, multiply the number of liters/second by 15.850 0 0.0353 00.2642 0 60
ivanzaharov [21]

Answer: 15.850

Explanation:

The conversion used from liters to gallons is:

1 L = 0.264172 gallon

The conversion used from sec to min is:

60 sec = 1 min

1 sec =\frac{1}{60}\times 1=0.017min

We are asked: liters/sec = gallons/min

liters/sec=\frac{0.264172}{0.017}=15.850gallons/min

Therefore, to convert from liters/second to gallons/minute, multiply the number of liters/second by 15.850.

8 0
3 years ago
Humans are most abundant during which geological era?
emmainna [20.7K]

Answer:

Cenoizic

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4 0
3 years ago
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If the percent (mass/mass) for a solute is 8% and the mass of the solution is 200 g, what is the mass of solute in solution?
tatyana61 [14]

Answer:

The answer to your question is  16 g

Explanation:

Data

Percent by mass = 8%

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Mass of solute = ?

Formula

Percent by mass = mass of solute / mass of solution x 100

- Solve for mass of solute

  Mass of solute = Percent by mass x mass of solution / 100

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3 0
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Over [174]

Answer:

<em><u>spontaneous composition</u></em> is the ingnition

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There is no requirement of heat of external sources.

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Explosion and the firecracker is the best example of Rapid composition.

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