59 Results
Units of Radiation Dose   
(Other (1))
A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Conversion Factors and Functions   
(Other (1))
A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Volume   
(Other (1))
A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
SI Prefixes   
(Other (1))
A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
The International System of Units (SI)   
(Other (1))
A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Organic Compounds-Some Additional Classes   
(Other (1))
A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Cell Notation and Conventions   
(Other (1))
A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Standard Pressure   
(Other (1))
A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Thermodynamic Terms and Conventions   
(Other (1))
A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Charles's Law   
(Other (1))
A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Avogadro's Law   
(Other (1))
A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Measurement of Pressure   
(Other (1))
A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
The Molar Mass   
(Other (1))
A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Structures and Conformations   
(Movie/Animation, Audio/Visual (5))
Molecular models are used to demonstrate the conformations of alkanes and cycloalkanes.
Solutions : CalcMolarityFromPPT (10 Variations)   
(Assessment Material (1))
You are given a water sample to analyze from a lake contaminated with lead. It takes 24 mL of 0.020 M NaCl to exactly precipitate the Pb2+ ions from 61 mL of the water sample. What is the concentration of Pb2+ ions in the water?
Pb2+(aq) + 2NaCl(aq)PbCl2(s) + 2Na+(aq)
Solutions : WtPercentToMolarity (4 Variations)   
(Assessment Material (1))
A common concentration unit used commercially is percent weight per volume (%W/V) which is the number of grams of solute in 100 mL of solution. A bottle of vinegar contains 5 %W/V acetic acid (CH3COOH). What is the molar concentration of acetic acid in the vinegar?
Solutions : GramsToMolalSoln (20 Variations)   
(Assessment Material (1))
How many grams of citric acid need to be added to 750 ml of ethanol to make a 0.50 m solution?

Density (g/ml)

Molecular Weight (g/mol)

Citric acid

1.665

192.14

Ethanol

0.7893

46.07

Solutions : ConvertConcUnits (10 Variations)   
(Assessment Material (1))
The maximum concentration of arsenic in drinking water that is allowed by the EPA is 0.050 mg/L. Express this as a weight percent. (You can assume the density of the water solution is 1.0g/mL.)
Thermochemistry : ConvertEnergyUnits (4 Variations)   
(Assessment Material (1))
The label on a granola bar says it provides 120 Calories. How many kilojoules of energy will this bar provide if it is completely metabolized?
Organic : AlkaneNomenclature (10 Variations)   
(Assessment Material (1))
What is the correct name for the following compound:
CH3CH2CH2CH3
Atoms,_Molecules_and_Ions : NameIonFromFormula (16 Variations)   
(Assessment Material (1))
The name of NH4+ is the __________ ion.

Write the name of the ion in the box below. Be careful, spelling counts.

Atoms,_Molecules_and_Ions : NameFromFormula (16 Variations)   
(Assessment Material (1))
What is the name of N2H4?
Atoms,_Molecules_and_Ions : IonicName (10 Variations)   
(Assessment Material (1))
What is the name of MgS?
Atoms,_Molecules_and_Ions : ElementSpelling (10 Variations)   
(Assessment Material (1))
Which of the following elements are spelled incorrectly?
Matter_and_Measurement : ConversionFactor (4 Variations)   
(Assessment Material (1))
Which conversion factor is needed to complete the dimensional analysis for the following problem?

It costs $3 per package of 10 pairs of socks. How much does 2 pairs of socks cost?

Atoms,_Molecules_and_Ions : MolcFormulaTypes (8 Variations)   
(Assessment Material (1))

The structural formula for 2-methyl-butane is given below. What is the molecular formula for 2-methyl-butane?

Stoichiometry : AtomsAndGrams (10 Variations)   
(Assessment Material (1))
How many moles of atoms does a 500. g bar of gold contain?
Organic : AlcoholClassification (10 Variations)   
(Assessment Material (1))
Match the following alcohols to the proper classification. (You may not need to use all of the classifications.)
Matter_and_Measurement : ConvertUnits (10 Variations)   
(Assessment Material (1))
Your textbook is approximately 8.75 inches by 10.25 inches. What are these measurements in centimeters?
Matter_and_Measurement : CompareFCTemps (10 Variations)   
(Assessment Material (1))
Which is the higher temperature, 350oC or 350oF?
Alcohols and Ethers (22 Variations)   
()
A collection of 22 assessment questions about Alcohols and Ethers
Nomenclature (10 Variations)   
()
A collection of 10 assessment questions about Nomenclature
Functional Groups (9 Variations)   
()
A collection of 9 assessment questions about Functional Groups
Stereochemistry (21 Variations)   
()
A collection of 21 assessment questions about Stereochemistry
Aromatic (26 Variations)   
()
A collection of 26 assessment questions about Aromatic
Alkenes and Alkynes (31 Variations)   
()
A collection of 31 assessment questions about Alkenes and Alkynes
Alkanes (22 Variations)   
()
A collection of 22 assessment questions about Alkanes
Nomenclature (1 Variations)   
()
A collection of 1 assessment questions about Nomenclature
Alkenes (16 Variations)   
()
A collection of 16 assessment questions about Alkenes
Amount of Water   
()
A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Moles; the Number of Water molecules   
()
A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Number of Atoms in a drop of Water; Moles   
()
A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Aerogels and Other Insulators   
()
A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Archimedes Eureka!   
()
A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Density of fat and muscle   
()
A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Energy with Cultural Connections   
()
A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Energy of Bird Flight   
()
A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
The 100 m sprint   
()
A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
How Many Atoms in the RDA of Iodine   
()
A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
The Composition of Iodine Nutrient Supplement CuI   
()
A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Conversion Factors and Functions Lecture Demonstrations   
()
A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Gold Thievery   
()
A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Bowling Balls   
()
A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
International Cookbooks and Ingredient Mass vs. Volume   
()
A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Density of Black Holes and Atomic Nuclei   
()
A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Specific Gravity of Minerals   
()
A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
The Number of I Atoms in the iodine RDA   
()
A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Errors in Measurement Lecture Demonstrations   
()
A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Measurements, Quantities, and Unity Factors Lecture Demonstrations   
()
A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.