Chemistry Solutions Library

Chemistry Solutions Library

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31,836 solutions

Electrolytes

Q. Which of the following is a weak electrolyte?(A) H3PO4(B) K2CO3(C) AgNO3(D) H2SO4(E) KOH

Solved • Nov 28, 2019
Solution Stoichiometry

Q. One of the uses of oxalic acid (H2C2O4) is rust removal. It reacts with rust (Fe2O3) according to the equationFe2O3(aq) + 6 H3C2O4(aq) → 2 H3Fe2(C2...

Solved • Nov 28, 2019
Balancing Redox Reactions

Q. What is the stoichiometric coefficient for Pd(s) when the following equation is balanced using the smallest set of whole-number coefficients?Pd(s) ...

Solved • Nov 28, 2019

Calculate Oxidation Number

Q. Place the following compounds in order of increasing oxidation state of nitrogen:NH2OH      N2H4      HNO2     NH+4      HNO3(A) HNO2 < NH2OH &l...

Solved • Nov 28, 2019
Solution Stoichiometry

Q. What is the concentration of chloride ions when 10.0 grams of iron(III) chloride (formula mass = 162.2 g/mol) is dissolved in water to form 0.100 L...

Solved • Nov 28, 2019
Net Ionic Equations

Q. What is the net ionic equation for the reaction of NaOH(aq) with HCN(aq)?(A) OH−(aq) + HCN(aq) → CN−(aq) + H2O(l)(B) OH−(aq) + H+(aq) → H2O(l)(C) N...

Solved • Nov 28, 2019
Stoichiometry

Q. Automotive air bags inflate when sodium azide, NaN3, rapidly decomposes into its component elements:2 NaN3(s) → 2 Na(s) + 3 N2(g)How many grams of ...

Solved • Nov 28, 2019

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Ch.1 - Intro to General Chemistry
The Scientific Method Mixtures Filtration Scientific Notation Accuracy & Precision Standard Deviation, Mean, Median & Mode Metric Prefixes Significant Figures Energy, Heat and Temperature Physical & Chemical Changes Physical & Chemical Properties Types of Energy Dimensional Analysis Density
Ch.2 - Atoms & Elements
Periodic Table Mole Concept Calculating Molar Mass Isotopes Mass Spectrometry Subatomic Particles Atomic Theory Oil Drop Experiment Gold Foil Experiment
Ch.3 - Chemical Reactions
Ionic and Covalent Bonds Molecular Models Metal Alloys Polyatomic Ions Naming Covalent Compounds Naming Ionic Compounds Naming Acids Empirical Formula Combustion Analysis Mass Percent Formula Balancing Chemical Equations Functional Groups in Chemistry Stoichiometry Limiting Reagent Limiting Reactant Percent Yield
BONUS: Lab Techniques and Procedures
Laboratory Materials Distillation & Floatation Test for Ions and Gases
Ch.4 - Chemical Quantities & Aqueous Reactions
Molarity Normality & Equivalent Weight Solution Stoichiometry Dilution Solubility Rules Net Ionic Equations Net Ionic Equation Electrolytes Redox Reaction Balancing Redox Reactions Redox Reactions Oxidation Reduction (Redox) Reactions Calculate Oxidation Number Types of Chemical Reactions Activity Series
Ch.5 - Gases
Pressure Units Manometer Partial Pressure The Ideal Gas Law Chemistry Gas Laws Ideal Gas Law Ideal Gas Law Density Ideal Gas Law Molar Mass Standard Temperature and Pressure Gas Stoichiometry Collecting Gas Over Water Effusion Root Mean Square Speed Kinetic Molecular Theory Van der Waals Equation Kinetic Energy of Gases Velocity Distribution
Ch.6 - Thermochemistry
Units of Energy Internal Energy Endothermic & Exothermic Reactions Calorimetry Thermochemical Equation Hess's Law Enthalpy of Formation Enthalpy
Ch.7 - Quantum Mechanics
Electromagnetic Spectrum Wavelength and Frequency Diffraction vs Refraction The Particle Nature of Light Photoelectric Effect De Broglie Wavelength Heisenberg Uncertainty Principle Bohr Model Bohr and Balmer Equations Wave Function Introduction to Quantum Mechanics Dimensional Boxes
Ch.8 - Periodic Properties of the Elements
Electron Configuration Orbital Diagrams Paramagnetic and Diamagnetic Coulomb's Law Effective Nuclear Charge Quantum Numbers The Spin Quantum Number Orbital Shapes Periodic Trends Atomic Radius Periodic Trends: Atomic Radius Periodic Trends: Ionic Radius Periodic Trends: Ionization Energy Periodic Trends: Electron Affinity Periodic Trends: Metallic Character
Ch.9 - Bonding & Molecular Structure
Chemical Bonds Lattice Energy Lattice Energy Application Born Haber Cycle Dipole Moment Lewis Dot Structure Octet Rule Formal Charge Resonance Structures Bond Energy
Ch.10 - Molecular Shapes & Valence Bond Theory
Molecular vs Electron Geometry Bond Angles Electronegativity Hybridization Benzene Orbital Overlap Molecular Orbital Theory Bond Order Delocalized Electrons Homonuclear Diatomic Molecules Heteronuclear Diatomic Molecules
Ch.11 - Liquids, Solids & Intermolecular Forces
Molecular Polarity Intermolecular Forces Intermolecular Forces and Physical Properties Phase Diagram Heating and Cooling Curves Unit Cell Atomic, Ionic, and Molecular Solids Clausius-Clapeyron Equation
Ch.12 - Solutions
Solutions, Molarity and Intermolecular Forces Making Solutions Henry's Law Calculate Molarity Mass Percent Molality Mole Fraction ppm Boiling Point Elevation Freezing Point Depression Colloid The Colligative Properties
Ch.13 - Chemical Kinetics
Rate of Reaction Average Rate of Reaction Instantaneous Rate of Change Arrhenius Equation Energy Diagram Catalyst Michaelis-Menten Equation Reaction Mechanism Rate Law Integrated Rate Law Identifying Reaction Order Collision Theory
Ch.14 - Chemical Equilibrium
Chemical Equilibrium Equilibrium Expressions ICE Chart Le Chatelier's Principle The Reaction Quotient
Ch.15 - Acid and Base Equilibrium
Identifying Acids and Bases Strong Acids and Strong Bases Arrhenius Acid and Base Bronsted Lowry Acid and Base Conjugate Acids and Bases Amphoteric Lewis Acid and Base pH and pOH Strong Acid-Base Calculations Weak Acids Weak Bases Ka and Kb Ionic Salts Diprotic Acid Polyprotic Acid
Ch.16 - Aqueous Equilibrium
Buffer Henderson Hasselbalch Equation Acid and Base Titration Curves Weak Acid Strong Base Titrations Weak Base Strong Acid Titrations Equivalence Point Strong Acid Strong Base Titrations Titrations of Diprotic and Polyprotic Acids Acid Base Indicators Ksp Selective Precipitation Formation Constant
Ch. 17 - Chemical Thermodynamics
Spontaneous Reaction First Law of Thermodynamics Second and Third Laws of Thermodynamics Entropy Boltzmann Equation Gibbs Free Energy
Ch.18 - Electrochemistry
Redox Reaction Balancing Redox Reaction The Nernst Equation Faraday's Constant Galvanic Cell Cell Notation Standard Hydrogen Electrode Cell Potential Batteries and Electricity Electroplating Electrolysis of Water & Mixture of Ions
Ch.19 - Nuclear Chemistry
Radioactive Decay Alpha Decay Beta Decay Gamma Emission Electron Capture Positron Emission Band of Stability First Order Half Life Nuclear Fission Mass Defect Nuclear Fusion Nuclear Transmutation
Ch.20 - Organic Chemistry
Introduction to Organic Chemistry Structural Formula Stereoisomers Chirality Optical Isomers Hydrocarbon The Alkyl Group Naming Alkanes Naming Alkenes Naming Alkynes Organic Chemistry Nomenclature Alkenes and Alkynes Benzene Reactions Functional Groups Alcohol Reactions Polymer
Ch.22 - Chemistry of the Nonmetals
Hydrogen Atom Alkaline Earth Metals
Ch.23 - Transition Metals and Coordination Compounds
Transition Metals Transition Metals Electron Configuration Oxidation States of Transition Metals Coordination Complexes Naming Coordination Compounds Coordination Isomers Crystal Field Theory Colors of Complex Ions