A comprehensive guide to understanding chemical reactions and balancing equations, covering fundamental concepts and practical applications in daily life.
• Chemical reactions involve the breaking and formation of chemical bonds, resulting in new substances
• Common everyday chemical reactions include photosynthesis, combustion, digestion, and rust formation
• Key indicators of chemical reactions include color changes, gas formation, precipitate formation, and energy changes
• Chemical equations must be balanced to comply with the law of conservation of mass
• Understanding states of matter and proper equation notation is crucial for accurate chemical representations