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If I had 0.1 M of Ca(OH)2 what is the concentration of Ca2+ and OH-
0.1 M and 0.2 M
What is the effect on solubility when you add a common ion
Decreases the molar solubility
What are the units for k for a reaction with order 1 and 2?
1/s and mol / L * s
If a reaction begins at 7.0 L and 10 minutes later it is at 27 L what is the rate of the reaction?
2 L/min
What direction would the equilibrium shift if we added a catalyst? For number 2
It wouldn't
When do you include water in an equilibrium expression?
When it is gas
Name the following molecule (use ortho, meta, para)
p-chloromethylbenzene
Determine the products when 1-chloropropane reacts with OH-
Propene
Determine the products when 1-propene reacts with water
2-propanol
Calculate the cell potential between silver and tin?
0.94 V
What do the larger values represent?
Better OA, will be reduced
What do you expect the pH to be in a solution with NaCN
Basic
What do you expect the pH of a NH4Cl solution?
Neutral
Write an equilibrium law expression for the reaction hydrogen gas and iodine gas to form HI
k=[HI]^2/[H2][I2]
What is the dissociation equation of Ba(OH)2
Ba2+ + 2OH-
What are the intermediates in the following reaction?
N2O2 and N2O
What can be transferred in an open and closed system?
OPEN: energy and matter CLOSED: energy not matter
Would you expect this square pyramidal molecule to be polar or nonpolar if X is more electronegative than A
Polar
Is BF3 polar or nonpolar?
Nonpolar
What is the VSEPR shape for diamond?
Tetrahedral because it is sp3 hybridized
How many unpaired electrons does oxygen have and in what orbitals are they?
2 in 2p
What is the electron configuration for Chlorine
[Ne] 3s² 3p⁵
What does the Pauli exclusion principle state
No two electrons in an atom can have the same set of four quantum numbers
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