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Butoxors [25]
3 years ago
15

Light energy comes from

Chemistry
1 answer:
Varvara68 [4.7K]3 years ago
4 0

Answer:

the answer of the questionis D Photons

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Were are electrons located
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Electrons are found in the cloud that's surrounded the nucleus of an atom 
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3 years ago
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72.0 grams of water how many miles of sodium with react with it?
Flura [38]

Answer:

\large \boxed{\text{8.00 mol}}

Explanation:

We will need a balanced chemical equation with masses, moles, and molar masses.

1. Gather all the information in one place:

Mᵣ:                  18.02

            2Na + H₂O ⟶ 2NaOH + H₂

m/g:                72.0  

2. Moles of H₂O

\text{Moles of H$_{2}$O} = \text{72.0 g H$_{2}$O} \times \dfrac{\text{1 mol H$_{2}$O}}{\text{18.02 g  H$_{2}$O}} = \text{3.996 mol H$_{2}$O}

3. Moles of Na

The molar ratio is 2 mol Na/1 mol H₂O.

\text{Moles of Na} =  \text{3.996 mol H$_{2}$O} \times \dfrac{\text{2 mol Na}}{\text{1 mol H$_{2}$O}} = \textbf{8.00 mol Na}\\\\\text{The water will react with $\large \boxed{\textbf{ 8.00 mol}}$ of Na}

7 0
3 years ago
Chemical weathering may be caused by _______________.
Amiraneli [1.4K]
Chemical weathering can be caused by oxidation, dissolution, and hydrolysis 
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Percent yield of 0.20 g of Al
elena-14-01-66 [18.8K]

Answer:

the dividend yield is 4%

Explanation:

The computation of the dividend yield is as follows:

Dividend yield = Dividend per share ÷ current share price per share

= ($0.20 × 4 quarters) ÷ $20

= $0.80 ÷ $0.20

= 4%

hence, the dividend yield is 4%

The same is determined by applying the above formula

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What is the mass, in amu, of 8010 atoms of Cl35 ? Convert the mass from amu to grams.
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Answer: 20030.41

Explanation:

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