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2 years ago

5. Describe the effects of photons of light on an electron of the hydrogen atom

Chemistry

1 answer:

Xelga [282]2 years ago

5 0

Answer:

How do atoms give off light?

Atoms emit light when they are heated or excited at high energy levels. The color of light that is emitted by an atom depends on how much energy the electron releases as it moves down different energy levels. ... It shows the electron moving down energy levels.

Explanation:

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The heat of vaporization of 1–pentanol is 55.5 kJ/mol, and its entropy of vaporization is 148 J/K•mol. What is the approximate b

tensa zangetsu [6.8K]

Answer:

375 K

Explanation:

Using the experssion shown below as:

$\Delta G^0=\Delta H^0_{vap}-T\Delta S^0_{vap}$

At vaporization point, the liquid and the gaseous phase is in the equilibrium.

Thus,

$\Delta G^0=0$

So,

$Delta H^0_{vap}=T\Delta S^0_{vap}$

Given that:

$Delta H^0_{vap}=55.5\ kJ/mol$

Also, 1 kJ = 10³ J

So,

$Delta H^0_{vap}=55500\ J/mol$

$\Delta S^0_{vap}=148\ J/K.mol$

So, temperature is :

$T=\frac{Delta H^0_{vap}}{\Delta S^0_{vap}}$

$T=\frac{55500}{148}$

3 0

3 years ago

Condensed structural formula of benzoic acid

Deffense [45]

Hmmm I’m not sure just to to quizlet for now but that seems kinda like science and elements

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2 years ago

Describe what happens in the cell before the chemical reaction.

Zina [86]

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Answer:

Chemical reactions that take place inside living things are called biochemical reactions. The sum of all the biochemical reactions in an organism is referred to as metabolism. Metabolism includes both exothermic (heat-releasing) chemical reactions and endothermic (heat-absorbing) chemical reactions.

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2 years ago

3k+aici3 3kci+ai is what type of reaction

exis [7]

3K + AlCl3 --------> 3 KCl + Al
element compound compound element

This is single replacement (displacement) reaction.

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2 years ago

Which of the following is the correct chemical formula for cs and br? csbr cs2br csbr2

nalin [4]

The correct chemical formulae is CsBr

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2 years ago

Read 2 more answers