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nlexa [21]
3 years ago
10

PLEASE HELP! MAJOR GRADE!

Chemistry
1 answer:
artcher [175]3 years ago
7 0

Answer:

solid and gas

Explanation:

black they are 3 states.

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Read 2 more answers
How many moles of water are produced from 19.2 g of B2H6
lbvjy [14]
The Balanced chemical equation of reaction of Borane with oxygen is as follow,
                                  B₂H₆ + 3O₂ -----> 2HBO₂ + 2H₂O
According to this equation 27.66 g (1 mole) of B₂H₆ reacts with oxygen to produce 36 g (2 moles) of water.
The amount of water produced when 19.2 g of B₂H₆ reacted is calculated as follow,
\frac{27.66 g B2H6 produced}{19.2 g of B2H6 will produce} = \frac{36 g of H2O}{x g of water}
Solving for x,                       
              x = (36 g of H₂O ₓ 19.2 g of H₂B₆) / 27.66 g of B₂H₆

              x = 24.98 g of H₂O

Result:
           24.98 g 
of water is produced when 19.2 g of B₂H₆ is reacted with excess of oxygen.
5 0
3 years ago
Describe a plant or animal that lives in the water and how it uses the water to survive.​
Alina [70]

Answer:

A great example would be a fish, it needs the water to breathe just like how we humans need oxygen. If a fish were to get out of the water it would die.

Explanation:

4 0
3 years ago
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