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professor190 [17]
3 years ago
11

Can someone help me?

Chemistry
1 answer:
Natalka [10]3 years ago
8 0
Answer 19.9g. I’ve took the test last week at my uncle randy’s house
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In the double replacement reaction between na2so4 (aq) and bacl2 (aq), will a precipitate form?
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A precipitate will form since BaSO₄ is insoluble in water.
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4 years ago
PLEASE HELP ME !!! :(
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Answer:

You need two potassium atom to form an ionic bond with one sulfur atom. Pottassium ions are formed by donating losing their electrons in the outermost shell, thr lost electrons are gained by sulphur atom to form 2K+ and S2-, respectively. The attraction between the positive ions and negative ions gives rise to the ionic bond and the molecular formula is K2S

Explanation:

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2 years ago
Which of the following will speed up a reaction?
defon

Answer:

C

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Imcreased tmperature will speed up a reaction/process.

4 0
3 years ago
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 <span>From left to right: 

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3 years ago
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3 years ago
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