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Study with Quizlet and memorize flashcards containing terms like A chemical is any substance that has ________ composition. (Definite, indefinite), Chnages in chemicals, or chemical reactions, take place_______.
Oct 11, 2024 · Study with Quizlet and memorize flashcards containing terms like Chemistry, How Many Branches of Chemistry are there?, Organic Chemistry and more.
Quiz yourself with questions and answers for Chemistry - Final (Chapter 1), so you can be ready for test day. Explore quizzes and practice tests created by teachers and students or create one from your course material.
Dec 13, 2023 · The rule is that to find the value of the unknown variable, you must mathematically isolate the unknown variable by itself and in the numerator of one side of the equation. Finally, units must be consistent. For example, in Boyle's law there are two pressure variables; they must have the same unit.
Jun 30, 2023 · Most elements follow the octet rule in chemical bonding, which means that an element should have contact to eight valence electrons in a bond or exactly fill up its valence shell. Having eight electrons total ensures that the atom is stable.
Define chemistry, matter, composition and property a. Chemistry = 1) the study of matter and its properties, 2) the changes that matter undergoes, and 3) the energy associated w/the changes b. Matter = anything that has BOTH mass and volume c. Composition = the TYPES and AMOUNTS of simpler substances that make up matter d.
Answers will vary. Sample answer: Gatorade contains water, sugar, dextrose, citric acid, salt, sodium chloride, monopotassium phosphate, and sucrose acetate isobutyrate.
