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Aleksandr-060686 [28]
2 years ago
10

Two chemical reactions that you should be familiar with are photosynthesis and respiration. In photosynthesis, the energy of the

sun is taken in and stored in the chemical bonds of glucose. In respiration, the energy in the glucose is released as glucose is chemically broken down. These two reactions will be called an __________ and _________ reaction, respectively.
A) exothermic, exothermic
B) exothermic, endothermic
C) endothermic, exothermic
D) endothermic, endothermic
Chemistry
1 answer:
Lesechka [4]2 years ago
3 0

Answer:

Photosynthesis is endothermic while respiration is exothermic reaction.

Explanation:

Photosynthesis:

It is the process in which in the presence of sun light and chlorophyll by using carbon dioxide and water plants produce the oxygen and glucose.

Carbon dioxide + water + energy →   glucose + oxygen

water is supplied through the roots, carbon dioxide collected through stomata and sun light is capture  by chloroplast.

Chemical equation:

6H₂O + 6CO₂ + energy  →   C₆H₁₂O₆ + 6O₂

Aerobic respiration

It is the breakdown of glucose molecule in the presence of oxygen to yield large amount of energy. Water and carbon dioxide are also produced as a byproduct.

Glucose + oxygen → carbon dioxide + water + 38ATP

Anaerobic Respiration

It is the breakdown of glucose molecule in the absence of oxygen and produce small amount of energy. Alcohol or lactic acid and carbon dioxide are also produced as byproducts.  

Glucose→ lactic acid/alcohol + 2ATP + carbon dioxide

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