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Chapter 3: Problem 10

What is the chemical equation for photosynthesis? Examine the origin and destination of each molecule referred to in the equation. Do the same for cellular respiration.

Short Answer

Expert verified
The chemical equation for photosynthesis is \(6CO2 + 6H2O + Light Energy \to C6H12O6 + 6O2\), where carbon dioxide and water are converted into glucose and oxygen using light energy. The chemical equation for cellular respiration is \(C6H12O6 + 6O2 \to 6CO2 + 6H2O + Energy\), where glucose and oxygen produce carbon dioxide, water, and energy.

Step by step solution

01

Equation for Photosynthesis

Photosynthesis can be summarized by the following equation: \[6CO2 + 6H2O + Light Energy \to C6H12O6 + 6O2\] This shows that six molecules of carbon dioxide (CO2) and six molecules of water (H2O), using light energy, produce one molecule of glucose (C6H12O6) and six molecules of oxygen (O2).
02

Origin and Destination of Each Molecule in Photosynthesis

In photosynthesis, the carbon dioxide and water are the reactants, originating from the atmosphere and the ground respectively. These are converted into glucose, which is used as an energy source by plants, and oxygen, which is released back into the atmosphere.
03

Equation for Cellular Respiration

Cellular respiration can be summarized by the following equation: \[C6H12O6 + 6O2 \to 6CO2 + 6H2O + Energy\] This shows that one molecule of glucose (C6H12O6) and six molecules of oxygen (O2) produce six molecules of carbon dioxide (CO2), six molecules of water (H2O), and energy.
04

Origin and Destination of Each Molecule in Cellular Respiration

In cellular respiration, glucose originates from the food we eat, and oxygen from the air we breathe. These are utilized by our cells to produce energy, with carbon dioxide being released into the atmosphere when we exhale, and water being used within our bodies or excreted.

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