Chemistry Jeopardy Unit 7 Acids and Bases Strong or Weak Electrolytes & Buffers Gimmie a p Gimmie a H Titrations and Stuff 10 20 30 40 50.

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Presentation transcript:

Chemistry Jeopardy Unit 7 Acids and Bases Strong or Weak Electrolytes & Buffers Gimmie a p Gimmie a H Titrations and Stuff

Acids A. Donate H + ions B. React with metals C. Turn blue litmus red D. All of the above

Which ion could act as a base A. H + B. NH 4 + C. H 3 O + D. NO 2 -

Acid/Base definition that requires species be in solutions A. Lewis B. Arrhenius C. Bronsted/Lowry D. Dalton

Weak acids have equilibrium constants that are. A. Large B. Small C. Zero D. Nonexistent

Which of the following is a property of a base A. Tastes sour B. Is a nonelectrolyte C. Turns blue litmus red D. pH greater than 7

Nitric Acid (HNO 3 ) A. Strong B. Weak

Ammonia (NH 3 ) A. Strong B. Weak

Sulfuric Acid (H 2 SO 4 ) A. Strong B. Weak

Potassium Hydroxide (KOH) A. Strong B. Weak

Carbonic Acid (H 2 CO 3 ) A. Strong B. Weak

Solutions conduct electricity because A. There are ions in solution B. They feel like it C. There are molecules in solution D. Water conducts electricity

Strong acids are also A. Strong electrolytes B. Weak electrolytes C. Nonelectrolytes D. Groovy

What is the conjugate base of carbonic acid (H 2 CO 3 ) A. H 3 CO 3 + B. HCO 3 - C. CO 3 -2 D. OH -

Buffered solutions A. Minimize a solutions change in pH B. Restrict any change in pH C. Keep shoes shiny D. Have no effect on pH

What two ingredients could make a buffer? A. HNO 3 & NaNO 3 B. NH 3 & HCl C. HClO 4 & KClO 3 D. HClO & NaClO

Acidic solutions have a pH A. Equal to 7 B. Above 7 C. Below 7 D. Anywhere between 0 and 10

A solution of.10 M HCl has a pH of A B C D

A solution of.10 M KOH has a pH of A B C D

A 1.0M solution of a weak acid with a Ka of 1.0x10 -4 has a pH of A B C D

When the [OH - ] is 1x10 -4 M What is the pOH? A B C D

Point in a titration where a color change occurs A. Equivalence Point B. End Point C. Stop Point D. Sharp Point

Chemical used to mark the endpoint in a titration A. Acid B. Base C. Indicator D. Catalyst

The solution of unknown concentration in a titration A. Titrant B. Indicator C. Base D. Analyte

Long tubes used to deliver precise volumes on solution in a titration A. Burets B. Graduated cylinders C. Volumetric Flask D. Erlenmeyer Flask

20.00 mL of 1.0M NaOH is titrated with mL of HCl of unknown concentration. What is the HCl concentration? A. 0.50M B. 1.0M C. 2.0M D. 4.0M