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3 years ago

An electron moved from a lower energy level to a higher energy level. What most likely happened during the transition?

Chemistry

2 answers:

hichkok12 [17]3 years ago

6 0

Answer:

The correct answer is statement that a fixed amount of energy was absorbed.

Explanation:

In an atom, the electrons prevail in distinct energy levels. The electrons present in an atom are confined to a particular level of energy, which is located at different distances from the nucleus. The electrons, which are in the highest energy level are known as valence electrons. Inside every energy level lies a space volume where particular electrons are situated.

The energy is absorbed by the atom when an electron moves to a higher energy level from a lower energy level, and the energy is discharged when an electron moves to a lower energy level from a higher energy level in the form of light.

nekit [7.7K]3 years ago

5 0

Answer:

Amount of energy was released

Explanation:

Because when energy is release from the shell it makes the electron lose and than go to higher level of energy form

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Ne4ueva [31]

Answer:

When carbon is burned in air, it forms carbon dioxide gas and releases a large amount of heat and some light:

C+O2= CO2+ heat+ light

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3 years ago

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a 25 ml volume of a sodium hydroxide solution requires 19.6 mL of a 0.189 M HCl acid for neutralization. A 10 mL volume of phosp

Drupady [299]

Answer: 0.172 M

Explanation:

a) To calculate theconcentration of base, we use the equation given by neutralization reaction:

$n_1M_1V_1=n_2M_2V_2$

where,

$n_1,M_1\text{ and }V_1$ are the n-factor, molarity and volume of acid which is $HCl$

$n_2,M_2\text{ and }V_2$ are the n-factor, molarity and volume of base which is NaOH.

We are given:

$n_1=1\\M_1=0.189M\\V_1=19.6mL\\n_2=1\\M_2=?\\V_2=25mL$

Putting values in above equation, we get:

$1\times 0.189\times 19.6=1\times M_2\times 25\\\\M_2=0.148$

b) To calculate the concentration of acid, we use the equation given by neutralization reaction:

$n_1M_1V_1=n_2M_2V_2$

where,

$n_1,M_1\text{ and }V_1$ are the n-factor, molarity and volume of acid which is $H_3PO_4$

$n_2,M_2\text{ and }V_2$ are the n-factor, molarity and volume of base which is NaOH.

We are given:

$n_1=3\\M_1=?\\V_1=10mL\\n_2=1\\M_2=0.148\\V_2=34.9mL$

Putting values in above equation, we get:

$3\times M_1\times 10=1\times 0.148\times 34.9\\\\M_1=0.172M$

The concentration of the phosphoric acid solution is 1.172 M

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3 years ago

Electronegativity _____. generally increases moving from left to right across a period generally decreases moving from left to r

mojhsa [17]

I believe the correct answer would be that electronegativity generally increases moving from left to right across a period. The periodic table of elements is arranged so that trends of the properties of the elements can be shown. For electronegativity, it decreases from right to left which means for the opposite direction it increases.

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ipn [44]

Answer:

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Explanation:

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3 years ago

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MariettaO [177]

I believe the answer would be energy

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