Aqueous reactions
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100
Which of the following are INsoluble in water: AgCl, NaOH, K2CO3, PbI2, BaSO4
AgCl, PbI2, BaSO4
100
Which phase has the highest kinetic energy?
Gas phase
100
Isotopes of an element have different numbers of what particle?
Neutrons
100
Rank the following from weakest electrolyte to strongest electrolyte: 1 M HCl, 1 M Ba(OH)2, 1 M CH3OH
CH3OH, HCl, Ba(OH)2
100
The Lewis dot symbol for phosphorous
P with 5 dots
200
What is the net ionic equation for a neutralization reaction? (Hint: it will always be the same)
H+ (aq) + OH- (aq) --> H2O (l)
200
What force is responsible for the high boiling point of water?
Hydrogen bonding
200
What experiment was used in the discovery of the charge of the electron?
Milikan oil drop experiment
200
Rank the gases from slowest to fastest rate of effusion: H2O, O2, Kr
Kr, O2, H2O
200
The orbital diagram for fluorine
1s2 2s2 2p5
300
Identify the reducing agent in the reaction: H2 (g) + CuO (s) --> Cu (s) + H2O (g)
H2 (g)
300
The heat required to change from the solid phase to the liquid phase is called the heat of __________.
Heat of fusion
300
What is the condensed electron configuration of sulfur?
[Ne] 3s2 3p4
300
Rank the following elements from smallest to largest: Se, Cl, S
Cl, S, Se
300
The Lewis structure for bromite (BrO2-)
BrO2-
400
What volume of 1.0 M HCl is needed to titrate 50 mL of 1.0 M NaOH?
50 mL HCl
400
What do the solid lines on a phase diagram represent?
Equilibrium between 2 phases during a phase change.
400
What is the maximum number of electrons allowed in the 3rd energy level (n = 3)?
18
400
Rank the following elements from lowest electron affinity to highest electron affinity: O, C, Ne
Ne, C, O
400
The Lewis structure for CH3NH2
CH3NH2
500
Which of the following has the element with the HIGHEST (most positive) oxidation number: H3PO4, CO2, MgCl2, or NF3
H3PO4 - the P is +5
500
If the external pressure on a liquid is increased, what will happen to the boiling point?
The boiling point will also increase.
500
Which rule states that each orbital in a sublevel must be filled with one electron first before the electrons can be paired?
Hund's rule
500
Rank the following bonds from weakest to strongest: C-S, C=S, C-O
C-S, C-O, C=S
500
An example of a seesaw molecular geometry.
SF4
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