Matter, Measurement, and Problem Solving Principles of Chemistry: A Molecular Approach 2e (Tro) Chapter 1 Matter, Measurement, and Problem Solving 1) Molecules can be described as A) a mixture of two or more pure substances. B) a mixture of two or more elements that has a specific ratio between components. C) two or more atoms
ATOMS Law of constant composition: This states that “A chemical compound (if pure) always contains the same elements combined together in the same proportion by mass regardless of bow the compound is prepared or from where it is obtained”. Law of conservation of mass: This is defined as “In every chemical reaction, the total mass
ملخص الفصل الثالث :العلاقات الكمية الكيميائية من كتاب الكيمياء للعالم زومدال Chapter 2 notes: Stoichiometry , AP chemistry Zumdahl إذا كنت تبحث عن باقي الفصول فالرجاء الضغط على الروابط الآتية : الفصل الأول : ملخص الفصل الأول :أساسيات الكيمياء للعالم زومدال Chapter 1 chemistry foundation Notes Zumdahl AP الفصل الثاني :ملخص الفصل الثاني :الذرات و الجزيئات