Exam I
Exam II
Exam III
Exam IV
miscellaneous
100
Draw the Correct Lewis structure of Chromate ion
CrO4
100
The Rate of Formation for Carbon Dioxide in the following reaction: C6H14 + O2 → CO2 + H2O, Given that the rate of consumption for Hexane is 4.3M/s is
2C6H14 + 19O2 → 12CO2 + 14H2O
What is 25.8 M/s
100
Mg(OH)2 Can be Identified as a
Weak Base
100
In the Redox Reaction
Zn(s) + Cu2+(aq) → Zn2+(aq) + Cu(s)
The Oxidizing agent is
Copper
100
The Capitol of Texas
Austin
200
What is the hybridization of Boron in Borate, and what is the Molecular geometry
SP2 Trigonal Planar
200
All Radioactive Decay follows First order Kinetics.
Given that the t1/2 of Carbon - 14 is 5730 years, The amount left of a 2.6 M sample after 4.056 x 105 Weeks is
What is [A]t = 1.01 M
200
Find the pH and pOH of a 3.2 M aqueous HCl Solution
pH= -0.51
pOH= 14.51
200
In a Galvanic cell the E cell must be
Positive (more than 0)
200
Dr. Noveron's First name
Juan
300
Which molecule has the higher boiling point?
Decane
300
The following reaction has a Kc Value of 1.3 x 10-3. If the Equilibrium Concentration of [C] equals 1.3, what is the equilibrium concentration of A?
A → C + D
[A] = 1300 M
300
Did the entropy increase or decrease in the following reaction?
N2(g)+O2(g) ⇌ 2NO(g)
Decrease, Higher Imf's
300
A Isotope that is too big is most likely to Experience what type of emission
Alpha emission
300
What Professor did I take Chem 1306 with
Dr. Becvar
400
Sketch a reasonable phase diagram for substance Q with triple point at 40 torr and – 130 C, normal freezing point of - 100 C, and normal boiling point of - 50 C.
a. Label the axes. b. Give reasonable numerical values along the axes for your diagram.
c. Draw curves showing stable regions in the diagram.
d. Label (identify) those stable regions. Identify the points on your phase diagram for the data given.
400
CaCO3(s) → CaO(s) + CO2(g)
Mg(s) + 2H2O(g) → Mg(OH)2(aq) + H2(g)
2N2O5(g) → O2(g) + 4NO2(g)
The reaction most favored in the forward direction after a Decrease of volume is
Mg(s) + 2H2O(g) → Mg(OH)2(aq) + H2(g)
400
What is ΔG of the following reaction 19 C, with a reaction quotient of 3.56. (ΔGo=-723.1 kJ/mol)
A+B ⇌ C
Is this reaction spontaneous or nonspontaneous?
-720 kJ/mol, spontaneous
400
The Beta Decay of which Isotope results in 234/91 Pa
234/90 Th
400
How many hearts does an octopus have?
3 Hearts
500
Ethanol has a density of 0.789 g/mL at 25 C. Calculate the molality of a 4.86M ethanol solution at this temperature.
8.6m
500
1AB (aq) ⇌ 1A (g) + 1B (g)
Kc at 25O C = 1.6 x 10-7
If the Initial Concentration of AB is [1.5], What are all the concentrations at equillibrium?
[AB]eq = 1.49 [A]eq = [B]eq = 4.899 x 10-4
500
1.3 Molar Sodium Acetate is added to 1.4 Molar Acetic acid solution. Given that the Ka of Acetic acid is
1.8 x 10-5, The pOH of the Solution is
pOH = 9.28
500
Balance the following reaction in basic conditions
Se (s) + Cr(OH)3 (s) → Cr (s) + SeO3-2 (aq)
500
When Was Peerleading Established at Utep?
2000