TIGER

Assessment Questions: 33 results
Intermolecular_Forces__Liquids_and_Solids : LatticeEnergyMelting (8 Variations)
Which of these substances has the highest melting point?
Ionic Bonding |
Covalent Bonding
Reactions : PredictRxnProducts (5 Variations)
What are the most likely products from the reaction of aqueous sulfuric acid and aqueous sodium hydroxide?
Aqueous Solution Chemistry |
Reactions
Reactions : WillSolnConduct (5 Variations)
One gram of each of the following compounds is mixed with 100mL of water. Which will form solutions that will conduct electricity?
Aqueous Solution Chemistry
Reactions : BalanceIonEquation (10 Variations)
What is the balanced net ionic equation for the following reaction:

AgNO3(aq) + HCl(aq) AgCl (s) + HNO3(aq)


Aqueous Solution Chemistry |
Reactions
Reactions : Solubility (8 Variations)
Which of the following compounds are soluble in water?
Aqueous Solution Chemistry |
Precipitation / Solubility
Bonding : IonicOrCovalent (10 Variations)
Match the following formulas to the correct type of bonding: ionic or covalent.
Molecular Properties / Structure |
Covalent Bonding |
Ionic Bonding
Reactions : ExchangeRxn (10 Variations)
Which of the following compounds would result in an exchange reaction if mixed in an aqueous solution with Ba(OH)2?
Aqueous Solution Chemistry |
Reactions |
Precipitation / Solubility
Acids_and_Bases : IonizationSteps (20 Variations)
Citric acid (which is a triprotic acid) has the following structure:

Which of the following equations corresponds to the first ionization step of the acid?

Acids / Bases |
Reactions |
Aqueous Solution Chemistry
Acids_and_Bases : MolcScaleAcidBase (10 Variations)
Study the four drawings below and then decide which best represents an aqueous solution that has

(Water molecules are not shown in the diagrams.)


Acids / Bases |
Reactions |
Aqueous Solution Chemistry
Acids_and_Bases : ConjugateAcidBase (20 Variations)
Identify the acid and base that are reactants and the conjugate acid and conjugate base that are products in the following equation:
HI(aq) + H2O(l)  H3O+(aq) + I-(aq)

Acids / Bases |
Reactions |
Aqueous Solution Chemistry
Acids_and_Bases : HendersonHassel (20 Variations)
You may want to use the following acid/base table to answer the question below.

Papain is a thiol protease isolated from papaya. The optimal pH for its enzymatic activity is 6.0-7.0. Which of the following buffering systems would work best for a laboratory experiment requiring active papain at pH 6.5? What molar ratios of the compounds would you use to prepare the solution?


Acids / Bases |
Reactions |
Aqueous Solution Chemistry
Acids_and_Bases : IDLewisAcidBase (20 Variations)
Which of the following is a Lewis acid?
Acids / Bases |
Reactions |
Aqueous Solution Chemistry
Acids_and_Bases : ReactProductFavored (20 Variations)
You may want to use the following acid/base table to answer the question below.

Which of the following reactions will be product -favored?


Acids / Bases |
Reactions |
Aqueous Solution Chemistry
Acids_and_Bases : WeakStrongAcidPics (11 Variations)
Which diagram best represents an aqueous solution of HCl? (Water is not shown.)


Acids / Bases |
Reactions |
Aqueous Solution Chemistry
Acids_and_Bases : ChooseIndicator (8 Variations)

A 25.0 mL aliquot of a 1.44M solution of ammonia (Kb = 1.8 x 10-5) is titrated with 1.50M HCl. Use the Indicator Table below to decide which of the indicators listed would most accurately signal the equivalence point for this titration.

Write the letter corresponding to your choice of indicator in the box.


Acids / Bases |
Reactions |
Aqueous Solution Chemistry |
pH
Acids_and_Bases : SolnGrams (20 Variations)
How many grams of sodium hydroxide (NaOH) must be dissolved in 510 ml of water to make a solution with a pH = 8.1?
Acids / Bases |
Reactions |
Aqueous Solution Chemistry |
pH
Reactions : IDSampleRxnVideo (7 Variations)
You have an unknown aqueous sample. You add aqueous copper(II) sulfate to the sample. View the video below and determine which of the compounds listed below could be your sample.


Aqueous Solution Chemistry |
Reactions |
Precipitation / Solubility
Acids_and_Bases : ProtonTransferRxn (20 Variations)
Write an equation to describe the proton transfer that occurs when the following acid is added to water: HSO4-
Enter the products in the space below using the following as an example:
What ions are present in an aqueous calcium nitrate solution?
Ca(NO3)2(aq) Ca2+(aq) + 2NO3-(aq)
In this case, the answer would be: Ca2+(aq) + 2NO3-(aq)
You should enter: Ca^(2+) + 2NO3^(-)
In other words, use the ^ to indicate superscripts; put charges in parentheses; and leave a space on either side of the + sign. Your answer must be an exact match for the computer to grade it correctly, so be careful.

What products will result when HSO4- is added to water?

Acids / Bases |
Reactions |
Aqueous Solution Chemistry
AcidBaseProducts (10 variations)
The following acid/base table may be useful in answering the question below.

What products will result when HSO4- is added to water? Complete and balance the reaction below.

HSO4- + H2O ?


Acids / Bases |
Reactions |
Aqueous Solution Chemistry
Acids_and_Bases : AcidBaseProperties (10 Variations)
Which of the following are properties of HCl?
Acids / Bases |
Reactions |
Aqueous Solution Chemistry
Acids_and_Bases : AcidicOrBasicSalt (20 Variations)
When dissolved in an aqueous solution, which of the following salts will yield an acidic solution?
Acids / Bases |
Reactions |
Aqueous Solution Chemistry
Acids_and_Bases : PercentDissociationKa (3 Variations)
Calculate the percent dissociation in a {x}M aqueous solution of the weak acid HA. (Ka = {y} x 10-4)

Enter your answer to ONE decimal place.
DO NOT use scientic notation.
DO NOT write in the units.


Acids / Bases |
Reactions |
Aqueous Solution Chemistry |
Equilibrium
Acids_and_Bases : TitrationCurveKaKb (8 Variations)
Study the graph of the titration of a weak acid with a strong base shown below. What is the approximate Ka for this acid?


Acids / Bases |
Reactions |
Aqueous Solution Chemistry |
Titration / Volumetric Analysis
Acids_and_Bases : LewisAcidBaseRxns (19 Variations)
Identify the Lewis Acid and Base in the reaction of Ag+ and NH3 to form Ag(NH3)2+
Acids / Bases |
Reactions |
Aqueous Solution Chemistry |
Lewis Acids / Bases
Acids_and_Bases : PracticalAcidBase (20 Variations)
Which of the following statements is true?
Acids / Bases |
Reactions |
Aqueous Solution Chemistry |
Physical Properties
Acids_and_Bases : WaterAutoIonization (20 Variations)
What effect will the addition of H2CO3 have on the autoionization of water?


Acids / Bases |
Reactions |
Aqueous Solution Chemistry |
Water / Water Chemistry
Acids_and_Bases : WeakAcidSolnpH (20 Variations)
Given an aqueous solution of 0.30 M acetic acid (Ka = 1.8 x 10-5), the pH is approximately ...
Acids / Bases |
Reactions |
Aqueous Solution Chemistry |
pH |
Equilibrium
Acids_and_Bases : BufferingCapacity (20 Variations)
If a buffer is prepared using 0.75 mol CH3COOH and 0.45 mol CH3COO- in 1 liter of aqueous solution, is the buffering capacity of the solution great enough to maintain its pH if 10 g NaOH is added?
Acids / Bases |
Reactions |
Aqueous Solution Chemistry |
pH |
Equilibrium
Acids_and_Bases : pHDilution (6 Variations)
What is the pH of a solution made by diluting {x} mL of {y} M HNO3(aq) to a total volume of 500 mL?

Enter your answer to two decimal places.
DO NOT use scientific notation

Acids / Bases |
Reactions |
Aqueous Solution Chemistry |
pH |
Equilibrium
Acids_and_Bases : pHBufferCalc (4 Variations)
Calculate the pH of a buffer solution containing {x}M NH3 and {y}M NH4NO3.

Enter your answer to TWO decimal places.
DO NOT use scientific notation.
DO NOT enter units
        eg:     4.55

Acids / Bases |
Reactions |
Aqueous Solution Chemistry |
pH |
Equilibrium
Acids_and_Bases : BufferWeakStrong (7 Variations)
How many mL of a 2.50 M HCl solution must be added to 500 mL of a 0.150 M CO32- solution to make a buffer with pH = 10.00?
Acids / Bases |
Reactions |
Aqueous Solution Chemistry |
pH |
Equilibrium
Acids_and_Bases : CalcSolnpH (5 Variations)
Use this acid/base table to answer the question below.

Calculate the pH of a {x}M sodium acetate solution.

DO NOT use scientific notation
Enter your answer to two decimal places.
DO NOT enter units

Acids / Bases |
Reactions |
Aqueous Solution Chemistry |
pH |
Equilibrium
Acids_and_Bases : BufferWeakWeak (14 Variations)
What mass of potassium bicarbonate (KHCO3) must be added to 500 mL of a 0.200 M carbonic acid solution to make a buffer with pH = 6.30?
Acids / Bases |
Reactions |
Aqueous Solution Chemistry |
pH |
Equilibrium