chemistry jeopardy unit 7 acids and bases strong or weak electrolytes & buffers gimmie a p...
TRANSCRIPT
Chemistry Jeopardy Unit 7Acids and
BasesStrong or
WeakElectrolytes & Buffers
Gimmie a p
Gimmie a H
Titrations and Stuff
10 10 10 10 10
20 20 20 20 20
30 30 30 30 30
40 40 40 40 40
50 50 50 50 50
Acids
A. Donate H+ ionsB. React with metalsC. Turn blue litmus redD. All of the above
Which ion could act as a base
A. H+
B. NH4+
C. H3O+
D. NO2-
Acid/Base definition that requires species be in solutions
A. Lewis B. ArrheniusC. Bronsted/Lowry D. Dalton
Weak acids have equilibrium constants that are.
A. LargeB. SmallC. ZeroD. Nonexistent
Which of the following is a property of a base
A. Tastes sourB. Is a nonelectrolyteC. Turns blue litmus redD. pH greater than 7
Nitric Acid (HNO3)
A. StrongB. Weak
Ammonia (NH3)
A. StrongB. Weak
Sulfuric Acid (H2SO4)A. StrongB. Weak
Potassium Hydroxide (KOH)
A. StrongB. Weak
Carbonic Acid (H2CO3)
A. StrongB. Weak
Solutions conduct electricity because
A. There are ions in solutionB. They feel like itC. There are molecules in solutionD. Water conducts electricity
Strong acids are also
A. Strong electrolytesB. Weak electrolytesC. NonelectrolytesD. Groovy
What is the conjugate base of carbonic acid (H2CO3)
A. H3CO3
+
B. HCO3-
C. CO3-2
D. OH-
Buffered solutions
A. Minimize a solutions change in pHB. Restrict any change in pHC. Keep shoes shiny D. Have no effect on pH
What two ingredients could make a buffer?
A. HNO3 & NaNO3
B. NH3 & HClC. HClO4 & KClO3
D. HClO & NaClO
Acidic solutions have a pH
A. Equal to 7B. Above 7C. Below 7 D. Anywhere between 0 and 10
A solution of .10 M HCl has a pH of
A. 0.10B. 1.00C. 10.00D. 13.00
A solution of .10 M KOH has a pH of
A. 0.10B. 1.00C. 10.00D. 13.00
A 1.0M solution of a weak acid with a Ka of 1.0x10-4 has a pH of
A. 1.00B. 2.00C. 4.00D. 12.00
When the [OH-] is 1x10-4M What is the pOH?
A. 4.00B. 10.00C. 12.00D. 14.00
Point in a titration where a color change occurs
A. Equivalence PointB. End Point C. Stop PointD. Sharp Point
Chemical used to mark the endpoint in a titration
A. AcidB. BaseC. IndicatorD. Catalyst
The solution of unknown concentration in a titration
A. TitrantB. IndicatorC. BaseD. Analyte
Long tubes used to deliver precise volumes on solution in a titration
A. BuretsB. Graduated cylinders C. Volumetric FlaskD. Erlenmeyer Flask
20.00 mL of 1.0M NaOH is titrated with 20.00 mL of HCl of unknown concentration. What
is the HCl concentration?
A. 0.50MB. 1.0MC. 2.0MD. 4.0M