And how to find it equal amounts of acids and base

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and how to find it – equal amounts of acids and base react, where graph changes from + to – (inflection point) End point and how to find it – found by phenolphthalein, indicator to pinpoint equivalence point How to determine molarity (M) – mass experiment/ molar mass How to determine the % of acetic acid in mustard – mass of ch3co2h/ mass of mustard H. Experiment 6. Enthalpy change for an acid‐base reaction o Know the following definitions and concepts: Energy – capacity to do work Energy density – energy release Reaction enthalpy – energy density First law of thermodynamics – total energy of the universe is constant Relationship of the system and the surroundings q (system) = ‐ q (surroundings) q=mcΔT Change in enthalpy ΔH = q (system) /n How to find absolute zero I. Project 2 o Part One Solubility rules (pg 259) Confirmation Test vs Elimination Test Definitions of the following: Amphoteric – insoluble metal hydroxides dissolved in excess base Amine complex – ammonia NH3 will react with metal cations Metal hydroxide – determines if a metal cation forms an insoluble metal or hydroxide or an amphoteric metal hydroxide. Know the properties from the cation logic tree Sodium hydroxide test, excess sodium hydroxide test, ammonia test and excess ammonia test o Part Two
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Know the basics from the anion logic tree Silver Nitrate Test - Separate anions into two general groups, anions that form precipitation with silver cation and those that do not. All Confirmation Tests - Chloride Test -
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