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2 years ago

Use the changes in oxidation numbers to identify which atoms are oxidized and which are reduced in each reaction.

1 answer:

5 0

You didn't include much information as to what you were referring too, however I answered a similar question recently to a friend so I'm hoping this is the same question in complete as to yours, if not I apologize.

a.) 2Na(s) + Cl2(g) -----> 2NaCl(s)
Na --> Na+1 is oxidized
Cl2 --> Cl- is reduced

b.) 2HNO3(aq) + 6HI(aq) ----> 2NO(g) + 3I2(s) + 4H2O(l)
N+5 --> N+2 is reduced
I-1 --> I2 is oxidized

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What happens to the electrons in an ionic bond

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Answer:

Result of the formation of positive and negative ions.

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3 years ago

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lisov135 [29]

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2 years ago

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How is a weak acid DIFFERENT from a dilute acid?

telo118 [61]

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3 years ago

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the formula of calcium oxide is CaO. What is the formula of the ionic compound containing calium abd sulfate ions

sineoko [7]

Answer:

$CaS$

Explanation:

Hello!

In this case, since calcium's oxidation state when forming ionic bonds is +2 and sulfur's oxidation state when bonding those bonds is -2, for the required formula we write:

$Ca^{2+}S^{2-}$

Now, since they have the same charge number, we infer the ionic compound formed when they bond is calcium sulfide:

$CaS$

Best regards!

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2 years ago