Redox Titration Lab: Explained

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Purpose: To calculate the percentage of H2O2 in a bottle of drugstore hydrogen peroxide by titrating with a standardized potassium permanganate solution. Background: Hydrogen peroxide, H2O2, is easily oxidized. It is used in commercial bleaching processes and wastewater treatment plants as an environmentally friendly alternative to chlorine. Dilute solutions of H2O2 are used to bleach…

Energy Flow in Living Systems

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Living organisms must continually capture/acquire, store, and use energy to carry out the functions of life. Capturing/acquiring, storing and using energy are accomplished through cellular chemical processes. Cells are chemical machines that obey fundamental chemical and physical laws of nature. The sum of a cells chemical reactions is called metabolism. Energy Energy is the ability…