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Mkey [24]
3 years ago
12

What percentage of the naphthalene molecules emitted a photon?

Chemistry
1 answer:
bulgar [2K]3 years ago
5 0
If I'm correct buy all the formula and the work I did I'm coming up with 3.7%
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What symbol is used to separate the products from each other or the reactants from each other in a chemical reaction?
matrenka [14]

Answer:

The symbol used to separate the product from each other or reactants from each other is 'plus' (+) .

Explanation:

In chemical equation the symbol used to separate the product from each other or reactants from each other is 'plus' (+) .

While the symbol used to separate the reactant and product from each other is '→'

For example:

Consider the following reaction.

2H₂  + O₂    →   2H₂O

Two moles of hydrogen react with one mole of oxygen to form two moles of water. The both reactant hydrogen and oxygen are separated by the + while reactant and products are separated by  →  .

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What is the atomic number of a sodium atom that has 11 protons and 12 nucleus
Pani-rosa [81]

Answer:

The Atomic Number is 11

Explanation:

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Answer:

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A pure Silicon crystal has 700,000 free electrons (actual number of electrons; not the concentration). How many holes does it ha
Sveta_85 [38]

Answer:

700,000 holes

Explanation:

When heat energy occurs to produce free electrons, the number of free electrons produced is directly proportional and equal to the number of holes it produces at that time.

Hence, if silicon crystal (pure) has 700,000 free electrons, then the number of holes it have is also 700,000.

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