Quizzes : ChemQuiz.net

Here are the twenty-six practice quizzes currently available on ChemQuiz.net:

Density Calculations Quiz
- calculate density, mass or volume of over 150 different materials
- g/cm³ or k/m³; simple or word problems
Percent Error & Percent Yield Quiz
- calculate percent error and percent yield in chemical reactions
- word problems draw from hundreds of chemical compounds
Scientific Notation Quiz
- convert between scientific notation and decimal notation
- fill-in-the-blank and multiple choice questions
SI Conversions Quiz
- convert between SI prefixes (e.g., grams to milligrams)
- one-step and two-step conversions
Significant Figures Quiz
- count significant figures (“sig figs”) in a variety of numbers in decimal or scientific notation
- perform simple arithmetic calculations and report answers with correct number of sig figs

Electron Configuration Quiz
- determine electron configuration or element from the first 102 elements
Elements & Isotopes Quiz
- determine names, symbols and atomic numbers for main group, transition and inner transition elements
- name isotopes, determine isotope notation and count number of subatomic particles for hundreds of isotopes
Lewis Dot Structures Quiz
- draw and identify Lewis dot structures for the main group elements
- predict the number of bonds and charges of ions that elements can form based on their dot structures
Light & Energy Quiz
- convert between photon frequency, wavelength and energy
- perform electron energy level and chemical bond dissociation energy calculations
Nuclear Reactions Quiz
- determine missing particle in nuclear decay equations
- isotope symbol problems & word problems

Mass Ratios, Percent Composition & Empirical Formulas Quiz
- calculate mass ratios and percent composition or determine empirical formulas ( new! ) of chemical compounds
- chemical formulas or compound names
Naming Compounds & Calculating Molar Masses Quiz
- name chemical compounds, both ionic & molecular
- calculate molar masses of chemical compounds, by formula & name

Concentrations of Solutions Quiz
- calculate molarity (concentration) of a solution
- calculate concentrations and volumes involved in dilutions
- multiple unit options; simple or word problems; grams and moles
Gas Laws Quiz
- Boyle’s Law, Charles’ Law, Gay-Lussac’s Law, Combined Gas Law & Ideal Gas Law
- multiple unit options; simple or word problems; chemical formulas or names

Balancing, Identifying & Predicting Chemical Equations Quiz
- over 300 chemical equations to balance, identify and/or predict
- combination, decomposition, single replacement, double replacement and combustion
Molar Conversions Quiz
- convert between moles and a variety of units
- chemical formulas or compound names; simple or word problems
Stoichiometry & Limiting Reagents Quiz
- stoichiometry and limiting reagents problems
- balanced and unbalanced equations; chemical formulas or names; grams, moles and particles
- calculate percent yield of a chemical reaction

Calorimetry Quiz
- perform calculations as heat is absorbed or released during a temperature change
- multiple unit options; simple or word problems; grams and moles
Enthalpy Calculations Quiz
- calculate heat absorbed or released by a chemical or physical change
- calculate quantity of a chemical required to absorb or release a given amount of heat
- multiple unit options; simple or word problems; chemical formulas or names
Hess’s Law Quiz ( new! )
- calculate heat of reactions from compound heats of formation or heats of reactions
- over 100 chemical reactions
Thermochemical Equations Quiz
- over 100 thermochemical equations with heats of reactions
- stoichiometry and limiting reagents problems
- balanced and unbalanced equations; chemical formulas or names; grams and moles; percent yield

Chemical Equilibrium Quiz
- write chemical equilibrium expressions, convert between Kc and Kp, and calculate equilibrium constants and chemical quantities
- balanced and unbalanced equations; multiple unit options; simple or word problems
Solubility Quiz
- calculate solubility and K_sp values for over 180 solutes
- calculate the concentration of individual ions in a saturated solution
- multiple unit options; simple or word problems; chemical formulas or names

Acid-Base Equilibrium Quiz
- calculate concentration, pH/pOH, K_a/K_b of weak acids and bases
- calculate percent ionization of weak acids & bases
Acid-Base Neutralization Quiz
- calculate analyte concentrations and titrant volumes for a variety of acid-base neutralizations
- strong-strong and weak-strong reactions
pH and pOH Calculations Quiz
- calculate pH and pOH from hydrogen ion (H⁺) and hydroxide ion (OH^–) concentrations
- calculate hydrogen ion (H⁺) and hydroxide ion (OH^–) concentrations from pH and pOH

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