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Katen [24]
3 years ago
11

Many scientists contributed to the current model of atoms. Which of the following offers a hypothesis on how people’s background

s and interests influence their work?
A person with more activities and interest is more creative and intelligent.
A person’s background and interests can give him a unique perspective in his research.
If a person has an outside influence on his work, it is more credible to the general public.
A person’s involvement in arts and literature will help them notice more details in their research.
Chemistry
2 answers:
dlinn [17]3 years ago
8 0
The statement that offers a hypothesis on how people’s backgrounds and interests influence their work is that of a person’s background and interests can give him a unique perspective in his research. The more he has background on the specific interest, then it is easier for him to do work.
<span>
</span>
Nataliya [291]3 years ago
8 0

Answer:

Option B

Explanation:

A person’s background and interests can give him a unique perspective in his research is the correct answer, I got it right on the test.

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The transfer of energy from objects with higher temperatures to objects with lower temperatures is defined as which of the follo
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How might temperature changes in the human body have an impact on human health ?
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During which era did the supercontinent Pangaea break up?
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7 0
3 years ago
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Microwave radiation has a wavelength on the order of 1.0 cm. Calculate the frequency and the energy of a single photon of this r
denis23 [38]

Answer :

(1) The frequency of photon is, 3\times 10^{10}Hz

(2) The energy of a single photon of this radiation is 1.988\times 10^{-23}J/photon

(3) The energy of an Avogadro's number of photons of this radiation is, 11.97 J/mol

Explanation : Given,

Wavelength of photon = 1.0cm=0.01m     (1 m = 100 cm)

(1) Now we have to calculate the frequency of photon.

Formula used :

\nu=\frac{c}{\lambda}

where,

\nu = frequency of photon

\lambda = wavelength of photon

c = speed of light = 3\times 10^8m/s

Now put all the given values in the above formula, we get:

\nu=\frac{3\times 10^8m/s}{0.01m}

\nu=3\times 10^{10}s^{-1}=3\times 10^{10}Hz    (1Hz=1s^{-1})

The frequency of photon is, 3\times 10^{10}Hz

(2) Now we have to calculate the energy of photon.

Formula used :

E=h\times \nu

where,

\nu = frequency of photon

h = Planck's constant = 6.626\times 10^{-34}Js

Now put all the given values in the above formula, we get:

E=(6.626\times 10^{-34}Js)\times (3\times 10^{10}s^{-1})

E=1.988\times 10^{-23}J/photon

The energy of a single photon of this radiation is 1.988\times 10^{-23}J/photon

(3) Now we have to calculate the energy in J/mol.

E=1.988\times 10^{-23}J/photon

E=(1.988\times 10^{-23}J/photon)\times (6.022\times 10^{23}photon/mol)

E=11.97J/mol

The energy of an Avogadro's number of photons of this radiation is, 11.97 J/mol

3 0
3 years ago
Read 2 more answers
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