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Eduardwww [97]
3 years ago
11

Photosynthesis is what?

Chemistry
2 answers:
tigry1 [53]3 years ago
5 0

Answer:

conversion of sunlight to cloraphil

Explanation:

plants absorb sun and convert it to energy

Cerrena [4.2K]3 years ago
3 0

Answer:

Photosynthesis reaction is irreversible and so it is a chemical change.

<h2> </h2><h2>Explanation</h2>

<em>The plants produce their own food by using the carbon dioxide, water, chlorophyll which is a green pigment present in the leaves and sunlight. Here plants are converting light energy into chemical energy and here carbon dioxide and water is converted into glucose and oxygen and the reaction is irreversible and we cannot the reactants back and so photosynthesis is a chemical change.</em>

Reaction for this is given as - 6CO_{2} + 6H_{2}O ---> C_{6}H_{12}O_{6} +6O_{2}

<h2>Tip:</h2>

The products of the photosynthesis are not reversible and they are irreversible.

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How many molecules are in 25g of Na2SO4?
bearhunter [10]
Hey there!

Molar mass Na2SO4 = 142.04 g/mol

Number of moles:

n = m / mm

n = 25 / 142.04

n = 0.176 moles of Na2SO4

Therefore, use the Avogadro constant

1 mole Na2SO4 ------------------- 6.02x10²³ molecules
0.176 moles Na2SO4 ------------   molecules ??


0.176  x  ( 6.02x10²³ ) / 1 

=> 1.059x10²³ molecules of Na2SO4

hope this helps!


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3 years ago
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Soloha48 [4]
Answer is: freezing point is -0,226°C.
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m(KCl) = 15 g.
n(KCl) = m(KCl) ÷ M(KCl).
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n(KCl) = 0,2 mol
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Step2247 [10]

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The oxidation of secondary alcohol results in the formation of ketone(also known as alkanone).

When  3,3-dimethyl-1-butanol undergoes oxidation, the suffix "ol" in the alcohol changes to "al"

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As such, option  2 is correct.

Learn more about oxidation reaction here:

brainly.com/question/14863344?referrer=searchResults

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