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kkurt [141]
2 years ago
6

What happens when chocolate get heated?

Chemistry
2 answers:
Leokris [45]2 years ago
8 0

Answer:

Chocolate melts and becomes really sticky once heated.

Add-on:

hope that helped at all.

Leona [35]2 years ago
3 0

  • well <em>the </em><em>chocolate</em><em> </em><em>will </em><em>be </em><em>melt</em>

<em>hope </em><em>it</em><em> helps</em>

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How many valance electrons are in an Adam of each element in group 15 in the periodic table
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Answer:5

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5 0
3 years ago
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How can you tell that diorite is an intrusive igneous rock?
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2 years ago
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Answer:

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2 years ago
How many photons are produced in a laser pulse of 0.862 J at 691 nm?
Inga [223]
To calculate how many photons are in a certain amount of energy (joules) we need to know how much energy is in one photon.
Start by using two equations:
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Speed of light (constant 3 * 10^8 m/s) = Frequency * Wavelength
Which means:
frequency = Speed of Light / Wavelength
So energy of a photon = (Speed of light * Planck's constant)/(Wavelength)
You may have seen this equation as E = hc/<span>λ</span>
We have a wavelength of 691 nm or 691 * 10^-9 meters
So we can plug in all of our knowns:
E = (6.626 * 10^(-34) J-s) * (3.00 * 10^8 m/s) / (691 * 10^-9 m) = 
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Now we have joules per photon, and the total number of joules (0.862 joules)
,so divide joules by joules per photon, and we have the number of photons:
0.862 J/ (2.88 * 10^(-19) J/photon) = 3.00 * 10^18 photons.

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3 years ago
Why is U-235 the most common nuclear fuel instead of the more abundant U-238? State a clear topic sentence and support it with e
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<h3><u>Answer and explanation</u>;</h3>
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3 years ago
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