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Ch.4 - Chemical Quantities & Aqueous ReactionsWorksheetSee all chapters
All Chapters
Ch.1 - Intro to General Chemistry
Ch.2 - Atoms & Elements
Ch.3 - Chemical Reactions
BONUS: Lab Techniques and Procedures
BONUS: Mathematical Operations and Functions
Ch.4 - Chemical Quantities & Aqueous Reactions
Ch.5 - Gases
Ch.6 - Thermochemistry
Ch.7 - Quantum Mechanics
Ch.8 - Periodic Properties of the Elements
Ch.9 - Bonding & Molecular Structure
Ch.10 - Molecular Shapes & Valence Bond Theory
Ch.11 - Liquids, Solids & Intermolecular Forces
Ch.12 - Solutions
Ch.13 - Chemical Kinetics
Ch.14 - Chemical Equilibrium
Ch.15 - Acid and Base Equilibrium
Ch.16 - Aqueous Equilibrium
Ch.17 - Chemical Thermodynamics
Ch.18 - Electrochemistry
Ch.19 - Nuclear Chemistry
Ch.20 - Organic Chemistry
Ch.22 - Chemistry of the Nonmetals
Ch.23 - Transition Metals and Coordination Compounds
Sections
Solutions
Molarity
Osmolarity
Dilutions
Solubility Rules
Electrolytes
Molecular Equations
Gas Evolution Equations
Solution Stoichiometry
Complete Ionic Equations
Calculate Oxidation Numbers
Redox Reactions
Balancing Redox Reactions: Acidic Solutions
Balancing Redox Reactions: Basic Solutions
Activity Series
Additional Guides
Oxidation Reduction (Redox) Reactions (IGNORE)
Oxidation Number (IGNORE)
Net Ionic Equation (IGNORE)

Molecular Equations show reacting molecules involved in a chemical reaction. 

Examining Molecular Equations

Concept #1: Introduction to Molecular Equations

In a typical molecular equation, two reactants dissociate and reorganize to form new products

Example #1: Which of the following is a precipitation reaction?

Example #2: Predict whether a chemical reaction occurs and write the balanced molecular equation.

A reaction occurs only if solid, gas or liquid water is formed. If both products are aqueous, NO REACTION has occurred.

Practice: Predict whether a chemical reaction occurs and write the balanced molecular equation.

Ag2SO4 (aq) + KCl (aq) →

Practice: Predict whether a chemical reaction occurs and write the balanced molecular equation.

MgBr2 (aq) +  NaC2H3O2 (aq) →

Practice: Determine the balanced equation for the neutralization equation

Ca(OH)2 (aq) + HCN (aq) →