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lisov135 [29]
3 years ago
5

Where is energy stored in electromagnetic waves?

Chemistry
2 answers:
11Alexandr11 [23.1K]3 years ago
8 0

Answer:

b.  in the oscillating electric and magnetic fields

Explanation:

Electromagnetic waves are formed when mutually perpendicular electric and magnetic field oscillate in space. Electromagnetic waves carry electromagnetic radiant energy from the electromagnetic filed. Electromagnetic waves do not require a medium to propagate. The direction of propagation of the electromagnetic wave is perpendicular to the direction of the vibrating electric and magnetic field.

Alex Ar [27]3 years ago
5 0
The answer is b: in the oscillating electric and magnetic fields
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An electrolytic cell is set up to plate Zr(s) from a solution containing Zr4 (aq). A current of 7.92 amps is run through this so
iren [92.7K]

The mass of Zr deposited in the process is 41.4 g.

<h3>What is electrolytic cell?</h3>

An electrolytic cell is a chemical cell which produces electrical energy by non-spontaneous chemical processes.

From the question;

Zr^4+(aq) + 4e ------> Zr(s)

We know that;

91 g of Zr is deposited by 4(96500) C

xg of Zr is deposited by (7.92 × 6.16 × 60 × 60) C

xg = 91 g ×  (7.92 × 6.16 × 60 × 60) C/4(96500) C

x g = 41.4 g

Learn more about electrolysis: brainly.com/question/12054569

8 0
2 years ago
Is a molecule the same as a compound ?
Alenkasestr [34]
No a molecule is 2 different atoms bond
5 0
3 years ago
Match the characteristics and elements to their group.
Luba_88 [7]

Answer:

Kr is a Noble Gas. Na is an alkali metal. F is halogen.

Group 17 is halogens. Inert is Noble Gases. Odourless and colourless is Noble Gases. Alkali metals do not occur freely in nature. Alkali metals are malleable

Explanation:

8 0
3 years ago
- How much power does it take to lift a<br> 1,000 N load 10 m in 20 s?
Mariana [72]

Answer:

"500 Joule/sec" is the right answer.

Explanation:

The given values are:

Force,

F = 1000 N

Velocity,

s = 10 m

Time,

t = 20 s

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=  \frac{Force\times Velocity}{Time}

On putting the values, we get

=  \frac{1000\times 10}{20}

=  \frac{10000}{20}

=  500 \ Joule/sec

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3 years ago
What are the harmful effects of water pollution​
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- Reduced biodiversity

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