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strojnjashka [21]
2 years ago
6

Cho 2.3 gam natri vào 100ml nước . Tính nồng độ dung dịch thu được ( C% )

Chemistry
1 answer:
Anton [14]2 years ago
8 0

Answer:

maybe speak in english than we can understand and help you sorryy

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The answer is B. Enzymes.

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How many moles of oxygen are necessary to react completely with four moles of propane (CH)?
steposvetlana [31]

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20 mole of oxygen

Explanation:

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Calculate the molarity of a solution made by adding 120 g of naoh (40.00 g/mol) to enough water to make 500.0 ml of solution. g
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2 years ago
Why is it commonly believed that carbon dioxide is responsible for global warming? Select 2 options.
monitta

Answer:

Carbon dioxide levels in the Earth's atmosphere have been steadily increasing.

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Explanation:

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6 0
3 years ago
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What is the specific heat of a substance if 25 grams rises in temperature from 10 degrees Celsius to 25 degrees with the additio
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Answer:

0.75 cal/g°c

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for specific heat we have formula:

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c= 280/25x (25-10)

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4 0
3 years ago
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