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xeze [42]
3 years ago
10

Which practice fits the definition of conservation?

Physics
1 answer:
Doss [256]3 years ago
5 0

Answer:

recycling cans that contain a material like aluminum

Explanation:

Conservation of resources is the sustainable use of available resources to ensure their continuous availability.

Resources are limited in the environment and they cannot satisfy all of our wants. Therefore, we need to ration them in the best way possible.

  • Recycling is one of such ways in which materials are conserved.
  • In recycling is the process of converting wastes into new materials.
  • The metals won from the recycling cans can be used again and new aluminium prospects would not have to be mined again.
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If 250 g of calcium chlorate decomposes into calcium chloride and oxygen, what mass of oxygen would be produced?
sineoko [7]

115.94g of O₂ are produced by 250g of Ca(ClO₃)₂

<u>Explanation:</u>

Ca(ClO₃)₂ -->CaCl₂ + 3O₂

One mole of calcium chlorate give three moles of oxygen.

Molar mass of calcium chlorate is

40+(35.5+16*3)*2 = 207g/mol

Molar mass of Oxygen = 32g

1 mole of calcium chlorate decomposes to form 3 moles of oxygen.

So,

207g of Ca(ClO₃)₂ produces 3 X 32g of O₂

250g of Ca(ClO₃)₂ will produce = \frac{3 X 32}{207} X 250

                                                    = 115.94g of O₂

Therefore, 115.94g of O₂ are produced by 250g of Ca(ClO₃)₂

7 0
3 years ago
Help please I'll mark as brainliest for the first correct answer​
Alenkinab [10]

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EE = 0.08.

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tia_tia [17]
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