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Alekssandra [29.7K]
3 years ago
11

Which ppower source directs the electrons from oxidation reduction reations to flow through a device to give the device power?

Chemistry
1 answer:
tensa zangetsu [6.8K]3 years ago
6 0

Battery or electrochemical cell

Explanation:

A battery is a power source that directs electrons from oxidation - reduction reactions to flow through a device to give electrical power.

  • A battery is an electrochemical cell.
  • Electrochemical cells are devices in which chemical reactions produce an electric current that is, chemical energy is turned into electrical energy.
  • The reactions here are spontaneous redox reactions, hence electrons flows on its own in an external circuit.

learn more:

Battery brainly.com/question/8892837

Atomic battery brainly.com/question/6457557

#learnwithBrainly

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If the mass ratio of nitrogen to hydrogen in ammonia is 4.7:1. if a sample of ammonia contains 10.0 gram of h, how many grams of
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The amount, in grams, of N that the sample will contain will be 2.1 grams.

<h3>Stoichiometric mass ratio</h3>

According to the problem. the mass ratio of H and N in ammonia is 4.7:1.

In other words, every 4.7 grams of H in ammonia must have 1 gram of N.

Now, in a particular ammonia sample, 10 grams of H is present.

The amount of N present can be calculated from the standard mass ratio.

4.1 grams H = 1 gram N

10 grams H = x

4.1x = 1 x 10

        x = 10/4.1

             x = 2.1 grams

Thus, the mass of nitrogen in the ammonia sample will be 2.1 grams.

More on mass ratios can be found here: brainly.com/question/14577772

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