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Dafna11 [192]
3 years ago
13

Use an example to describe how the combulsity of a substance can be both useful and dangerous.

Chemistry
1 answer:
Murljashka [212]3 years ago
6 0
C4, for mining but it can be very dangerous if to close/
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Using the balanced equation below,
Zielflug [23.3K]

Answer:

Mass = 6.538 g

Explanation:

Given data:

Mass of zinc hydroxide produced = 9.65 g

Mass of zinc required = ?

Solution:

Chemical equation:

Zn + 2MnO₂ + H₂O      →      Zn(OH)₂ + Mn₂O₃

Number of moles of zinc hydroxide:

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now we will compare the moles of zinc and zinc hydroxide,

                  Zn(OH)₂           :          Zn

                       1                  :          1

                    0.1                  :         0.1

Mass of zinc required:

Mass = number of moles × molar mass

Mass = 0.1 mol × 65.38 g/mol

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8 0
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Massive amounts of energy are contained in an atom's: Select one:
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