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Alona [7]
3 years ago
8

Are the orbits of the planets could you pls help!!!! Pls don't send scam links !! in the solar system as they revolve around the

Sun perfectly
circular?
Explain.
Chemistry
1 answer:
11Alexandr11 [23.1K]3 years ago
3 0

Answer: Orbits are elliptical, Sun is in focal point of the ellipse.

Explanation:

Orbits are not perfect circles. Distance of Earth from Sun is between

147 million kilometres - 152 million kilometres. When Earth is in closest point of the Sun it moves faster tant in the point which is most far away from Sun.

Kepler´s Laws give more information.

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Answer:

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5 0
2 years ago
Calculate the moles of SO2 that contains 3.8 moles of O atoms
Olegator [25]
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Explanation:

1) The chemical formula SO₂ shows that for every mol of SO₂ there are 1 mol of S and two moles of O.

2) Then you can state the proportion between the number of moles of SO₂ and O to find how many moles of SO₂:contains 3.8 moles of O.


   1 mol SO₂                         x

-------------------- =   --------------------------

    2 moles O              3.8  moles O


3) Now, you can clear x:

x = 3.8 moles O × 1 mol SO₂ / 2 moles O.

x = 1.9 moles SO₂.
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3 years ago
Why is there a vast amount of salt water on earth
kogti [31]
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6 0
3 years ago
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kherson [118]
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