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vaieri [72.5K]
3 years ago
8

What did the Copernican revolution demonstrate

Chemistry
2 answers:
Sidana [21]3 years ago
7 0
Prior to this people believed that the earth was the center of the universe, with this revolution the belief was the earth revolved around the sun and was not the center of the universe<span>
Hope this helps</span>
OLga [1]3 years ago
3 0
<span>That science was a process of changing ideas.</span>
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Iron fillings can be separated as they are magnetic. Use a magnet to separate the iron fillings away.

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1. A 5.455-g sample of impure CaCl2 is dissolved and treated with excess potassium carbonate solution. The dried CaCO3 (calcium
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Answer:81.6%

Explanation:

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n=4.010÷100 = 0.0401 mol.

Molar mass of CaCl2 = 40+71= 111 g/mol.

Number of mol of CaCl2 = 5.455÷111= 0.04914 g/mol.

Mass of CaCl2 = 0.0401 × 111 = 4.4511 g of CaCl2.

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4 years ago
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