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Leya [2.2K]
3 years ago
14

HELP PLEASE!!!!!!!!

Chemistry
1 answer:
Ray Of Light [21]3 years ago
6 0
Reactant is the left side. 4+3=7
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Which of the following elements are more reactive than the others.
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The answer is D-sodium!
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3 years ago
2Na3N3 -&gt; 2Na + 3N2<br><br> if 0.58 mol if NaN3 reacts, what mass of nitrogen would result
Ronch [10]

Answer:

                      Mass = 24.36 g of N₂

Explanation:

                   The balance chemical equation for the decomposition of NaNO₃ is as follow;

                                           2 NaN₃ → 2 Na + 3 N₂

Step 1: Find moles of N₂ as;

According to equation,

                 2 moles of NaNO₃ produces  =  3 moles of N₂

So,

              0.58 moles of NaNO₃ will produce  =  X moles of N₂

Solving for X,

                      X = 3 mol × 0.58 mol / 2 mol

                      X = 0.87 mol of N₂

Step 2: Calculate mass of N₂ as,

Mass = Moles × M.Mass

Mass = 0.87 mol × 28.01 g/mol

Mass = 24.36 g of N₂

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3 years ago
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Physical barriers prevent fish from one stream from mating with fish from another stream, leading to a less varied gene pool among those fish. As time passes, the fish become unable to successfully mate with other groups.

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On the periodic table, in which period is copper?
Firdavs [7]

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Explanation:

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HURRY WILL MARK BRAINILEST
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Answer:

Explanation:

diffusion has already occurred

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3 years ago
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