Transcript Math Jeopardy - Welcome to Wayne Community College

Formulas
Short Answer Competencies Problems
Units
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Rate Law
Expression
Rate =
m
n
k[A] [B] …
ΔSrxn =
[Products] – [Reactants]
C6H14 + Cl2 –>
Cl
|
CH3-CH2-CH-CH2-CH2-CH3
Radioactive Decay
Formula
Ln(A/A0) = -kt
Nernst equation
E = E0 – .0592/n log (K)
Which electrolyte
half-reaction is
reversed in a
spontaneous
electrolytic cell?
The halfreaction with the
least positive
voltage.
How are electrons
transferred in an
oxidization halfreaction?
The electrons are lost.
Bronsted-Lowry acidbase theory states:
The hydrogen donor is the acid
and the hydrogen acceptor is
the base.
In net ionic
equations, what is
the rule for strong
substances?
Strong substances
automatically dissociate
in water and do not
form.
What are the four
steps in balancing
half-reactions using
the ion-electron
method?
1.
2.
3.
4.
Balance all elements
except H and O.
Balance O with H2O.
Balance H with H+.
Balance the charges of
both sides by adding
electrons to the more
positive side.
Determine the pH
of a solution
+
having [H ] =
-3
5.7 x 10 .
pH = 2.24
Experiment Initial [A]
1
0.30 M
2
0.60 M
Initial Rate
1.2 x 10-4 Msec
2.4 x 10-4 Msec
Determine the order of the reaction
with respect to A.
A is
st
1
order.
Give the oxidation
number for Sulfur in
H2SO4.
S = 6+
[Co(NH3)2(ONO)4]I2
Name:
Coordination Sphere:
Center of Coordination:
Ligands:
Coordination Number:
Name = Diamminetetranitritocobalt(VI)
Iodine
Coordination Sphere =
[Co(NH3)2(ONO)4]2+
Center of Coordination = Co6+
Ligands = 2 NH3, 4 ONO
Coordination Number = 6
Outline the synthesis for
2-propanone.
OH
O
|
||
CH3CH2CH3 + [O] –> CH3CHCH3
Write the shorthand
notation for a voltaic cell
using:
1+
Ag
+.80 Ag ,
3+
Fe
.77
2+
Fe
2+
3+
1+
Fe /Fe //Ag /Ag
96
Mo
–>
He
+
___
42
2
_
4
_
92
Zr
40
Determine the voltage
associated with the
following half reaction at
-4
25˚C if [I ] = 5.2 x 10 .
I2(s) +
2e
->
2I
E˚ = .54v
.73v
Give the straight
chained structure for
ketoheptose
CH2O
|
C=O
|
H – C – OH
|
H – C – OH
|
H – C – OH
|
H – C – OH
|
CH2O
Write the balanced net ionic equation
for the reactions expected when
aqueous solutions of each substance
are mixed .
H2SO3 + NH3
H2SO3 + 2NH3 –> 2NH4 + SO3
+
What is the units on a
+
[H ]?
M
What is the unit of E˚?
v
What is Faraday’s
constant?
9.65 x
4
10
C/mol
e
What unit is on the rate
constant, k, for a reaction that
nd
is 2 overall order?
1/(Msec)
What are amperes?
C / sec
Final Jeopardy
The Category is:
Organic
Chemistry
Outline a synthesis to make
N,N,3-trimethylbutanamide
CH3
O
CH3
|
||
|
CH3-CH2-CH2-C-Cl + H-N-CH3 –>
CH3
O
|
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CH3-CH2-CH2-C-N-CH3
|
CH3