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Andreas93 [3]
3 years ago
7

according to the law of conservation of , the number of atoms in the products of a chemical and equation must be balanced with t

he number of atoms in the reactants
Chemistry
1 answer:
Len [333]3 years ago
5 0

yes because its kind of like a seesaw if theres too much on one side its unbalance there has to be the same amount of atoms on each side

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λmax for the π → π* transition in ethylene is 170 nm. Is the HOMO-LUMO energy difference in ethylene greater than or less than t
-Dominant- [34]

Answer:

the HOMO-LUMO energy difference in ethylene is greater than that of cis,trans−1,3−cyclooctadiene

Explanation:

The λmax is the wavelength of maximum absorption. We could use it to calculate the HOMO-LUMO energy difference as follows:

For ethylene

E= hc/λ= 6.63×10^-34×3×10^8/170×10^-9= 1.17×10^-18J

For cis,trans−1,3−cyclooctadiene

E= hc/λ=6.63×10^-34×3×10^8/230×10^-9=8.6×10^-19J

Therefore, the HOMO-LUMO energy difference in ethylene is greater than that of cis,trans−1,3−cyclooctadiene

8 0
3 years ago
Calculate the mass of 488 moles of calcium carbonate
san4es73 [151]

Answer: 48800g

Explanation:

Using the mathematical relation : Moles = Mass / Molar Mass

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Therefore

488 = mass / 100 = 48800g

6 0
3 years ago
Can someone help me with this one
jek_recluse [69]

Answer:

Easy my dude let me help you out

A.In

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Also with protons and electrons they equal the same atomic number

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Integrated Problem 01.69 With current spectroscopic techniques, chemists are generally able to determine the structure of an unk
Gnesinka [82]

a or c becuse it means you should answer it very wiseley

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Explanation:

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5 0
2 years ago
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