Chapter 17
Equilibrium
Chapter 18
Acids and Bases
Chapter 19
Electrochemistry
Grab Bag 1
Environmental Chemistry
Grab Bag 2
Let It "Be"
(Element Puns)
100
Changing this will change the equilibrium constant.
What is temperature?
100
These taste bitter.
What are bases?
100
Compute the oxidation number on each atom in CaF2.
Ca: 2+, F: 1-
100
This chemical with multiple resonance structures forms a layer that protects the earth from radiation.
What is ozone?
100
This rarest naturally occurring element isn't where it's "at".
What is astatine?
200
Write the equilibrium expression for the reaction between NO2 and N2O4.
K=[NO2]/[N2O4]
200
Which of the following is a strong acid? acetic acid nitric acid hypoiodous acid chromic acid
Nitric acid
200
This process occurs at a cathode.
What is reduction?
200
This corrosive precipitation is a result of chemical reactions with greenhouse gases.
What is acid rain?
200
Do you want to expose this metal, named for the Latin word for salt, to water? "Na".
What is sodium?
300
Ksp for silver chloride is 1.6 x 10^-10. Find the solubility of AgCl in grams per liter.
1.9 x 10^-3
300
What is the pH of a solution with [H+]=1.5 x 10^-5?
4.82
300
Balance this reaction: Cr2O7{-2} + H{+} + e- = Cr{+3} + H2O
Cr2O7{-2} + 14 H{+} + 6 e = 2 Cr{+3} + 7 H2O
300
This U. S. governmental body oversees nuclear power.
What is the NRB (Nuclear Regulatory Board)? (or the DOE)
300
If you give this liquid a "Hg", it might give you cancer.
What is mercury?
400
The concentrations for the reaction between CO and Cl2 to form COCl2 are [CO]=0.012 M, [Cl2]=0.054 M, and [COCl2]=0.14 M. Find the equilibrium constant.
220
400
What is the pH of 0.5 M HF? (Ka HF = 7.1 x 10^-4)
1.72
400
In this process, a nonspontaneous chemical reaction is induced.
What is electrolysis?
400
These are a result of nutrients from fertilizer leaching into lakes and ponds.
What are algal blooms?
400
The 84th element is named after this "po" country.
What is Poland?
500
What is the molar solubility of AgBr (Ksp=7.7 x 10^-13) in 0.001 M NaBr?
7.7 x 10-10
500
100 mL of 0.1 M HNO2 is titrated with 0.1 M NaOH. Find the pH at equivalence (Kb=2.2 x 10^-11)
8
500
This kind of battery requires a continuous supply of reactants.
What is a fuel cell?
500
Deposits of gold and coltan, an ore of this element, in the DR Congo have led to a state of civil war for much of the last twenty years.
What is tantalum?
500
This element is named after the Greek for "hard to obtain". I guess they had to "dy" to get it!
What is dysprosium?
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