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viva [34]
3 years ago
15

Help plsssscan you please help me with it?​

Biology
1 answer:
Elanso [62]3 years ago
4 0

i guess the answer is "The limbs are made of limbs , have 5 pairs of legs, do not dive" .

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2. Mercury (II) oxide decomposes into mercury and oxygen gas according to the following
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Answer:

7.8 moles are needed.

Explanation:

Given data:

Mass of oxygen produced = 125 g

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Solution:

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2HgO → 2Hg + O₂

Number of moles of oxygen:

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Number of moles = 3.9 mol

Now we will compare the moles of oxygen with mercury oxide.

                       O₂         :         HgO

                        1           :             2

                     3.9          :              2×3.9 = 7.8 mol

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Another name is hydrologic cycle.


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