At 25 degrees Celsius, what range of pH would an acid have?
Between 1-7
Which of the following is not a strong base?
NaOH, Ca(OH)2 H2O
Water
Which of the following is a weak acid?
HCl, HF, HBr
HF
Whats the last team to win the superbowl?
Chiefs :(
What is the most electronegative element?
Fluorine
What does it mean to have a neutral pH (at any temperature)?
H3O+ concentration = OH- concentration
What % of a strong acid/base dissociates?
100%
Less than 5%
Who was the 16th president of the U.S.A.
Abe Lincoln
What is the shape of the following compound?
CH4
Tetrahedral
What is the formula for the Autoionization of water?
2H2O <---> H3O+ + OH-
Rank the following from the lowest OH- concentration to the highest OH- concentration (once dissociation has occurred) (All starting with a solution concentration of .10 M)
NaOH, Sr(OH)2 , NH4OH
NH4OH, NaOH, Sr(OH)2
What is the dissociation equation for acetic acid (CH3COOH) in water
CH3COOH + H2O <-----> CH3COO- + H3O+
What country did the Olympics originate?
Greece
What is specific heat? (specific)
The heat required to raise temperature of one gram of a substance by one degrees Celsius
A solution has H3O+ concentration of 1.6x10-3 and an OH- concentration of 7.0x10-9
Would you expect this to be an acid or a base? Why?
Acid
What are the six strong acids?
HCl, HBr, HI, HNO3, H2SO4, HClO4
A solution of F- has a % ionization of 2 %. The original molarity of the NaF that was added is .1M. What is the hydroxide ion concentration?
In the following sentence, which word is the adverb?
He quickly walked into the classroom.
Quickly
N2O4(g)⇌2NO
If the following reaction had its pressure increased, which direction would the reaction move towards? How do you know?
Left, less moles
What is the pH of a solution with an OH- concentration of 6.4x10-9
5.8
What is the pH of a 3.4x10-5 M solution of Ca(OH)2?
9.8
What is the pH of a .50 M ammonia (NH3) solution? Kb of ammonia is 1.8x10-5
11.5
What year did My Beautiful Dark Twisted Fantasy come out?
2010
For the following unbalanced equation
__N2 + _H2 ---> _NH3
If we start with 10grams of nitrogen gas, how many grams of ammonia are produced?
12.159g