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Arada [10]
3 years ago
8

What is the basic role of CO2 in photosynthesis? What is the basic role of CO2 in photosynthesis? CO2 is taken in by plants as a

form of inverse respiration, in which carbon dioxide is "breathed in" and oxygen is "breathed out." CO2 is fixed or incorporated into organic molecules. CO2 is a source of electrons in the formation of organic molecules.
Chemistry
1 answer:
ladessa [460]3 years ago
4 0

Answer:

carbon dioxide is fixed or incorporated into organic molecules.

Explanation:

Carbon dioxide fixation is the conversion of inorganic carbon into organic carbon.

In photosynthesis CO2 is converted into glucose i.e inorganic carbon (CO2) is converted into organic molecule (glucose).

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2 years ago
Explain the similarities and differences between putting a beaker of ethanoic acid in the refrigerator and mixing it with sodium
frez [133]

Answer:

See explanation

Explanation:

When a beaker of ethanoic acid is placed in the refrigerator, its temperature drops and the vessel feels cool.

Now, when we mix ethanoic acid and sodium carbonate, an endothermic reaction occurs, fizzing is observed as carbon dioxide is given off and heat is lost to the surroundings causing the reaction vessel to feel cool to touch.

The difference between putting ethanoic acid in the refrigerator and adding  sodium carbonate to the solution is that, in the former, no new substance is formed. The substance remains ethanoic acid when retrieved from the refrigerator. In the later case, new substances are formed. The substance is no more ethanoic acid because a chemical reaction has taken place.

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What is the connection of ascorbic acid when one tablet is dissolved in 200cm cubed of water ?
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Answer:

              Option-D: 2.3 × 10⁻³ mol/dm³

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Moles = 0.00045 mole

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Molarity = Moles / Vol. in dm³

Molarity = 0.00045 mol / 0.20 dm³

Molarity = 0.00227 mol.dm⁻¹ or 2.3 × 10⁻³ mol/dm³

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Explanation:

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