Learn about oxidation numbers and their role in redox reactions.

Chemical Reactions - Khan Academy

2018年1月24日 · Hello! I need some help balancing the acid and base formulas for redox reactions. In particular, I need help with the redox reaction: H2O2 + I- ==> H2O + I2. My …

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Learn about the light-dependent reactions in photosynthesis and how they convert solar energy into chemical energy.

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Learn how to calculate the equilibrium constant from the standard cell potential in electrochemistry.

Learn about chemical reactions and stoichiometry with free online lessons on Khan Academy.