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Artist 52 [7]
3 years ago
8

How many seconds are there in 23 days ?

Chemistry
1 answer:
Brrunno [24]3 years ago
7 0
Since there are 23 days and 24 hours in each day, you multi-ply them and get 552 hours. Since each hours is 60 minutes, 552*60 is 33120 minutes. Since one minute is 60 seconds, 60*33120 is 1,987,200 seconds. Therefore, there are 1,987,200 seconds in 23 days. 
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How many moles of ammonia can be formed from 4.0 mol H2
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Explanation:

The balanced chemical equation is:

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According to stoichiometry:

3 moles of hydrogen form = 2 moles of ammonia

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Thus 8.0 moles of ammonia are formed by  =\frac{3}{2}\times 8.0=12.0moles of hydrogen

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