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Ludmilka [50]
3 years ago
13

Which statement is part of Bohr's atomic model?

Chemistry
2 answers:
kolbaska11 [484]3 years ago
5 0

The answer is A According to Bohr’s model, when an electron absorbs energy of a specific wavelength, it is able to jump to a higher orbital level. Conversely, when the electron jumps to a lower orbital level, a photon of energy of a specific wavelength is emitted. This process is unique for every atom with regards to the specificity of the photons it absorbs and emits. This property of atoms is what is harnessed by spectrometers to determine the types of an atom in a substance.

Rus_ich [418]3 years ago
4 0

Answer:

A

Explanation:

According to Bohr’s model, when an electron absorbs energy of a specific wavelength, it is able to jump to a higher orbital level. Conversely, when the electron jumps to a lower orbital level, a photon of energy of a specific wavelength is emitted. This process is unique for every atom with regards to the specificity of the photons it absorbs and emits. This property of atoms is what is harnessed by spectrometers to determine the types of an atom in a substance.

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40.0g of NaOH is dissolved in water. How much heat (in joules) was released?
adelina 88 [10]
<span>The molar heat of solution of NaOH is -445,100 J/mol. To compute much heat (in J) will be released if 40.00 g of NaOH are dissolved in  water, we first convert the given grams of NaOH to moles of NaOH, and use the given molar heat of solution to compute for the energy. (Using dimensional analysis):

40 g NaOH x (1 mol NaOH/ 40 g NaOH) x (-445100 J / 1 mol NaOH) = -445100 J of energy.</span>
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3 years ago
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jekas [21]
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3 years ago
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6 0
3 years ago
Describe the relationship between the atomic number, mass number, number of protons, number of neutrons.
Charra [1.4K]

Explanation:

Atomic number (Z) = Number of the protons

It means that if the atomic number of C is 6, it implies that the number of protons in carbon is 6 too.

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It means that if the atomic mass of C is 12, it implies that the number of protons and the neutrons in carbon is 12.

8 0
3 years ago
Consider a galvanic cell consisting of the following two redox couplesAlB+ 3e Al , Mga + 2e Mg, (ag. E® = 1.676 V ) E° = 2.356 V
malfutka [58]

Answer:

0.68 V

Explanation:

For anode;

3Mg(s) ---->3Mg^2+(aq) + 6e

For cathode;

2Al^3+(aq) + 6e -----> 2Al(s)

Overall balanced reaction equation;

3Mg(s) + 2Al^3+(aq) ----> 3Mg^2+(aq) + 2Al(s)

Since

E°anode = -2.356 V

E°cathode = -1.676 V

E°cell=-1.676 -(-2.356)

E°cell= 0.68 V

4 0
3 years ago
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