Mr. Weiler’s Science Lab

UNIT 3 · STUDY GUIDE QUESTION 25

Photosynthesis & respiration

Explain how photosynthesis and cellular respiration support the law of conservation of mass.

Photosynthesis6 CO₂ + 6 H₂OC₆H₁₂O₆ + 6 O₂Light energy is transferred into stored chemical energy.CCCCCCHHHHHHHHHHHHOOOOOOOOOOOOOOOOOOReactants: C 6 · H 12 · O 18Products: C 6 · H 12 · O 18Atom inventory moving between sides · not the molecular pathway or bond geometrySIMPLIFIED SCIENTIFIC MODEL · TIME COMPRESSED · NOT TO SCALE

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