3 years ago

What is meant by the wavelength of UV light

Chemistry

1 answer:

Evgesh-ka [11]3 years ago

4 0

Answer:

The wavelength is the distance from the peak of one wave to the peak of the next.

Explanation:

The wavelength of UV light ranges from 10 nm to 400 nm.

We can’t see UV light because our eyes can detect only light with wavelengths between 400 nm (violet) and 700 nm (red).

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Two reactions and their equilibrium constants are given. A + 2 B − ⇀ ↽ − 2 C K 1 = 2.79 2 C − ⇀ ↽ − D K 2 = 0.186 Calculate the

vfiekz [6]

Answer:

K=1.93

Explanation:

Given reactions are:

A +2B ⇄ 2C K1=2.79

2C ⇄ D K2=0.186

D⇄ A+ 2B K=?

If we reverse the reaction then the euillibrium constant also become reciprocal of original value:

3rd reaction is a combination of reciprocal of 1st and 2nd reaction

2C⇄A +2B 1/K1;........................1

D ⇄ 2C 1/K2; ..............................2

On adding 1 and 2

D ⇄A +2B $K=\frac{1}{K1} \times\frac{1}{K2};$

$K=\frac{1}{2.79} \times\frac{1}{0.186};$

K=1.93

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Answer the following question about steriochemistry.

algol13

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b is the answer

Explanation:

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The phase that is most likely to occur at high temperatures and high pressures is ??

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