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BabaBlast [244]
3 years ago
6

What is in a microscope the enlarges things so our eye can see them?

Chemistry
1 answer:
Fittoniya [83]3 years ago
5 0

Answer:lenses

Explanation:

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A hydrogen atom in an excited state can be ionized with less energy than when it is in its ground state. What is n for a hydroge
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Explanation:

It is known that formula for the ionization energy of hydrogen atom is as follows.

               E = \frac{13.6 eV}{n^{2}}

or,          n = \sqrt{\frac{13.6}{E}}

The value of energy is given as 0.544 eV. Therefore, we will calculate the value of n as follows.

                   n = \sqrt{\frac{13.6}{E}}

                      = \sqrt{\frac{13.6}{0.544 eV}}

                      = 5

Thus, we can conclude that n equals to 5 for a hydrogen atom if 0.544 eV of energy can ionize it.

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3 years ago
What Kelvin temperature is the same as -13° Celsius?
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Answer:

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Degrees Kelvin = -13 + 273.15

= 260.15 °

Explanation:

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