TIGER

Assessment Questions: 58 results
Nomenclature (10 Variations)
A collection of 10 assessment questions about Nomenclature
Physical Properties |
Carboxylic Acids |
Esters |
Molecular Properties / Structure |
Aromatic Compounds |
Amines / Ammonium Compounds |
Phenols |
Nomenclature / Units / Symbols |
Alkanes / Cycloalkanes |
Stereochemistry
Matter_and_Measurement : CompareFCTemps (10 Variations)
Which is the higher temperature, 350oC or 350oF?
Chemometrics |
Nomenclature / Units / Symbols
Matter_and_Measurement : ConvertUnits (10 Variations)
Your textbook is approximately 8.75 inches by 10.25 inches. What are these measurements in centimeters?
Chemometrics |
Nomenclature / Units / Symbols
Organic : AlcoholClassification (10 Variations)
Match the following alcohols to the proper classification. (You may not need to use all of the classifications.)
Alcohols |
Nomenclature / Units / Symbols
Stoichiometry : AtomsAndGrams (10 Variations)
How many moles of atoms does a 500. g bar of gold contain?
Stoichiometry |
Nomenclature / Units / Symbols
Atoms,_Molecules_and_Ions : MolcFormulaTypes (8 Variations)

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


Nomenclature / Units / Symbols
Matter_and_Measurement : ConversionFactor (4 Variations)
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?


Chemometrics |
Nomenclature / Units / Symbols
Atoms,_Molecules_and_Ions : ElementSpelling (10 Variations)
Which of the following elements are spelled incorrectly?
Nomenclature / Units / Symbols
Atoms,_Molecules_and_Ions : IonicName (10 Variations)
What is the name of MgS?
Nomenclature / Units / Symbols
Atoms,_Molecules_and_Ions : NameFromFormula (16 Variations)
What is the name of N2H4?
Nomenclature / Units / Symbols
Atoms,_Molecules_and_Ions : NameIonFromFormula (16 Variations)
The name of NH4+ is the __________ ion.

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


Nomenclature / Units / Symbols
Organic : AlkaneNomenclature (10 Variations)
What is the correct name for the following compound:
CH3CH2CH2CH3

Alkanes / Cycloalkanes |
Nomenclature / Units / Symbols
Thermochemistry : ConvertEnergyUnits (4 Variations)
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?
Calorimetry / Thermochemistry |
Nomenclature / Units / Symbols
Solutions : ConvertConcUnits (10 Variations)
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.)
Solutions / Solvents |
Nomenclature / Units / Symbols |
Chemometrics
Solutions : GramsToMolalSoln (20 Variations)
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 / Solvents |
Nomenclature / Units / Symbols |
Chemometrics
Solutions : WtPercentToMolarity (4 Variations)
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 / Solvents |
Nomenclature / Units / Symbols |
Chemometrics
Solutions : CalcMolarityFromPPT (10 Variations)
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 / Solvents |
Nomenclature / Units / Symbols |
Chemometrics
Alkenes (16 Variations)
A collection of 16 assessment questions about Alkenes
Alkenes |
Reactions |
Nomenclature / Units / Symbols |
Stereochemistry |
Addition Reactions
Nomenclature (1 Variations)
A collection of 1 assessment questions about Nomenclature
Aldehydes / Ketones |
Nomenclature / Units / Symbols |
Amines / Ammonium Compounds |
Carboxylic Acids
Gases : IDGasFromVelocity (8 Variations)
The following are graphs of molecular velocities versus the relative number of molecules for argon, chlorine, methane and xenon at 300K. Which graph is for argon?
Gases |
Molecular Properties / Structure
Gases : RealGases (6 Variations)
Which gas in the following list will have the greatest deviation from ideal behavior at STP?
Gases |
Molecular Properties / Structure
Matter_and_Measurement : ElemCompdMix (10 Variations)
Classify each of the following as an element, compound, or mixture.
Molecular Properties / Structure
Matter_and_Measurement : HomoOrHeteroMix (10 Variations)
Identify the following as homogeneous or heterogeneous mixtures.
Molecular Properties / Structure
Matter_and_Measurement : ThryOrHypothesis (6 Variations)
Identify each of the following statements as a theory or a hypothesis.
Molecular Properties / Structure
Matter_and_Measurement : ClassifyMatter (8 Variations)
Which of the following descriptions best classifies aluminum foil?
Molecular Properties / Structure
Stoichiometry : CombustionAnalysis (10 Variations)
While working in the lab, you find a bottle of white powder labeled "analgesic compound #5". Since the original investigator neglected to record the identity of the substance, you decide to perform a combustion analysis to identify the compound. You have a 65.7 g sample that when burned produces 182 g CO2 and 51.7 g H2O. What is the formula of this compound? (The compound only consists of C,H, and O.)
Stoichiometry |
Molecular Properties / Structure
Stoichiometry : FormulaFromComp (8 Variations)
Lactic acid is the substance that makes your muscles burn when you've been exercising hard. Lactic acid is composed of 40.0% carbon, 6.7% hydrogen, and 53.3% oxygen by weight. If it has a molar mass of 90 g/mol, what is its molecular formula?
Stoichiometry |
Molecular Properties / Structure
Bonding : ValenceElectrons (10 Variations)
Determine the number of valence electrons for each molecule or ion and match it with the number in the pull-down list to the right of the formula.
Molecular Properties / Structure
Bonding : DetermineStructure (8 Variations)
H A substance is analyzed and found to contain 57.10% carbon, 4.80% hydrogen and 38.06% oxygen by weight. Its molecular weight is determined to be 126.11 g/mol. Which of the structures shown are possible structures for the substance?
Molecular Properties / Structure |
Stoichiometry
Atoms,_Molecules_and_Ions : IonicOrMolecular (10 Variations)
Identify each of the following compounds as ionic or molecular.
Molecular Properties / Structure
Atoms,_Molecules_and_Ions : AllotropesOfElement (4 Variations)
Which of the following is an allotrope of oxygen? (You may select more than one.)
Molecular Properties / Structure
Atoms,_Molecules_and_Ions : AtomicRatio (10 Variations)
Which compound(s) contain the most nitrogen atoms per molecule or formula unit?
Molecular Properties / Structure |
Stoichiometry
Atoms,_Molecules_and_Ions : BinaryMolcFromImage (8 Variations)
Which of the following binary compounds could the figure below best represent?


Molecular Properties / Structure |
Stoichiometry
Atoms,_Molecules_and_Ions : IonicFormula (10 Variations)
Which pair of ions will form a compound of formula M2X?
Molecular Properties / Structure |
Stoichiometry
Atoms,_Molecules_and_Ions : IonicProperties (8 Variations)
Which of the following statements concerning the properties of ionic compounds is NOT correct?
Molecular Properties / Structure
Atoms,_Molecules_and_Ions : IonType (8 Variations)
Identify the following ion as monatomic or polyatomic and as an anion or a cation: Cr2O7-2
Molecular Properties / Structure
Atoms,_Molecules_and_Ions : CalcMolarMass (8 Variations)
What is the molar mass of potassium phosphate, K3PO4?

Enter the numeric value very carefully below, rounding to one decimal place only. Do not put the units in, but think about what the units are!

Molecular Properties / Structure |
Stoichiometry
Atoms,_Molecules_and_Ions : CompFromNanoPic (9 Variations)
__________ can be represented by the nanoscale diagram below.

Which of the following is the best choice to fill in the blank?


Molecular Properties / Structure
Organic : HsOnAlkaneBackbone (10 Variations)

The carbon skeleton for 2-methylbutane is shown below. How many hydrogens are present?

Alkanes / Cycloalkanes |
Molecular Properties / Structure
Biochemistry : Amphiphile (20 Variations)
Which of the following molecules is an amphiphile?
Molecular Properties / Structure |
Noncovalent Interactions
Biochemistry : StructureDef (4 Variations)
What kind of structure is defined by the linear sequence of amino acids in the protein chain?
Proteins / Peptides |
Molecular Properties / Structure
Biochemistry : Secondary (15 Variations)
What secondary structure element is represented by the green sequence in the following structure of the protein calmodulin?

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Proteins / Peptides |
Molecular Properties / Structure
Bonding : CompareBondLength (5 Variations)
Which of the following compounds has the shortest bond between nitrogen and oxygen?
Covalent Bonding |
Molecular Properties / Structure
Biochemistry : Tertiary (16 Variations)
Which of the following is NOT true about the tertiary structure of water-soluble proteins?
Proteins / Peptides |
Molecular Properties / Structure
Alkanes (22 Variations)
A collection of 22 assessment questions about Alkanes
Alkanes / Cycloalkanes |
Conformational Analysis |
Nomenclature / Units / Symbols |
Lewis Structures |
Stereochemistry |
Reactions
Alkenes and Alkynes (31 Variations)
A collection of 31 assessment questions about Alkenes and Alkynes
Alkenes |
Addition Reactions |
Alkynes |
Carbocations |
Stereochemistry |
Reactions |
Nomenclature / Units / Symbols |
Alcohols |
Epoxides |
Oxidation / Reduction |
Grignard Reagents
Stoichiometry : CompareParticles (20 Variations)
Which has the greater number of particles, 1 mol O2 or 1 mol O?
Molecular Properties / Structure |
Atomic Properties / Structure
Bonding : IonicOrCovalent (10 Variations)
Match the following formulas to the correct type of bonding: ionic or covalent.
Molecular Properties / Structure |
Covalent Bonding |
Ionic Bonding
Intermolecular_Forces__Liquids_and_Solids : BoilingPoint (10 Variations)
Which of the following substances has the highest boiling point?
Liquids |
Noncovalent Interactions |
Molecular Properties / Structure
Intermolecular_Forces__Liquids_and_Solids : IntermolecularForces (10 Variations)
For which of the following compounds is hydrogen bonding the strongest?
Noncovalent Interactions |
Molecular Properties / Structure |
Hydrogen Bonding
Intermolecular_Forces__Liquids_and_Solids : OrganicBoilingPoint (11 Variations)
Which of the following organic compounds has the highest boiling point?
Noncovalent Interactions |
Molecular Properties / Structure |
Hydrogen Bonding
Aromatic (26 Variations)
A collection of 26 assessment questions about Aromatic
Aromatic Compounds |
Nomenclature / Units / Symbols |
Reactions |
Electrophilic Substitution |
Mechanisms of Reactions |
Oxidation / Reduction |
Resonance Theory |
Addition Reactions |
Carbocations |
Synthesis
Stereochemistry (21 Variations)
A collection of 21 assessment questions about Stereochemistry
Stereochemistry |
Conformational Analysis |
Chirality / Optical Activity |
Alkanes / Cycloalkanes |
Alkenes |
Alcohols |
Enantiomers |
Diastereomers |
Carbohydrates |
Carboxylic Acids |
Nomenclature / Units / Symbols |
Esters
Functional Groups (9 Variations)
A collection of 9 assessment questions about Functional Groups
Reactions |
Amines / Ammonium Compounds |
Alkanes / Cycloalkanes |
Conformational Analysis |
Nomenclature / Units / Symbols |
Aldehydes / Ketones |
Carboxylic Acids |
Amides |
Ethers
Alcohols and Ethers (22 Variations)
A collection of 22 assessment questions about Alcohols and Ethers
Alcohols |
Synthesis |
Oxidation / Reduction |
Aldehydes / Ketones |
Alkenes |
Carboxylic Acids |
Grignard Reagents |
Ethers |
Reactions |
Mechanisms of Reactions |
Organometallics |
Nomenclature / Units / Symbols |
Physical Properties
Reactions : HighOxNumber (10 Variations)
In which of the following does sulfur have the highest oxidation number?
Atomic Properties / Structure |
Periodicity / Periodic Table |
Molecular Properties / Structure
Reactions : IDOxidationNumber (10 Variations)
What is the oxidation number of sulfur in barium sulfate (BaSO4)?
Atomic Properties / Structure |
Periodicity / Periodic Table |
Molecular Properties / Structure
Bonding (34 Variations)
A collection of 34 assessment questions about Bonding
Molecular Properties / Structure |
Covalent Bonding |
IR Spectroscopy |
VSEPR Theory |
Aromatic Compounds |
Lewis Structures |
Resonance Theory |
Aldehydes / Ketones |
Carboxylic Acids |
Acids / Bases