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Svetllana [295]
3 years ago
6

During a chemical reaction, the amount of energy

Chemistry
1 answer:
brilliants [131]3 years ago
8 0
A: because lets say u have baking soda and vinegar when you mix the they make a gas that can fill a balloon meaning the gas increased so that would mean a solid would decreased
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Calculate the number of moles in a 14.5 gram sample of C4H10.
cricket20 [7]
Moles= mass divided by molar mass
Molar mass= 12.01(4) + 1.01(10)
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6 0
2 years ago
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RUDIKE [14]
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      Explanation
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3 0
3 years ago
What is the energy of an electromagnetic wave with a frequency of 8•10^12 Hz?
aniked [119]

Hello!

Find the Energy of the Photon by Planck's Equation, given:

E (photon energy) =? (in Joule)

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Therefore, we have:

E = h*f

E = 6.626*10^{-34}*8*10^{12}

E = 53.008*10^{-34+12}

E = 53.008*10^{-22}

\boxed{\boxed{E = 5.3008*10^{-21}\:Joule}}\end{array}}\qquad\checkmark

I Hope this helps, greetings ... DexteR! =)

8 0
2 years ago
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ivanzaharov [21]
I’m guessing the answer is AX (the first one) sorry if I am wrong tho
5 0
2 years ago
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