CH 301 Study Guide - Midterm Guide: Stoichiometry, Molar Concentration, Dimensional Analysis
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Be able to explain the difference between an element, compound, and mixture. Be able to use significant figures, scientific notation, and si units in calculations. Be able to use dimensional analysis in calculations. Be able to convert between celsius, kelvin, and fahrenheit temperatures. Given mass and density, be able to calculate volume. Given volume and density, be able to calculate mass. Des(cid:272)ri(cid:271)e the (cid:271)asi(cid:272) postulates of dalto(cid:374)"s ato(cid:373)i(cid:272) theory. Describe the key experiments that led to the discovery of electrons and to the nuclear model of the atom. Describe the structure of the atom in terms of protons, neutrons, and electrons. Describe the electrical charge and relative masses of protons, neutrons, and electrons. Use chemical symbols together with atomic number and mass number to express the subatomic composition of isotopes. Understand how atomic weights relate to the masses of individual atoms and to their natural abundances.
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