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STALIN [3.7K]
3 years ago
11

The gravity of Earth is attracting a person towards the center with 500N of gravitational force. The person is exerting a reacti

onary force on the Earth with how much force? Explain your thinking behind this.
Physics
2 answers:
mestny [16]3 years ago
7 0

Answer:

500n

Explanation:

madam [21]3 years ago
4 0
Gravity, also called gravitation, in mechanics, the universal force of attraction acting between all matter. ... On Earth all bodies have a weight, or downward force of gravity, proportional to their mass, which Earth's mass exerts on them. Gravity is measured by the acceleration that it gives to freely falling objects.
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3 years ago
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

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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

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

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