Module 1
The charge on Iodate is:
a) -1
b) -2
c) +1
d) +2
e) None
What is A?
Draw the best lewis structures for:
Ammonium
Carbon Dioxide
Sulfur Hexafluoride
Check white board
The intermolecular force in all molecules.
What is London Dispersion Forces
Which of the following aqueous solutions has the highest boiling point? K b for water is 0.52°C/m.
A) 0.3 m potassium chloride B) 0.4 m hydrofluoric acid C) 0.2 m sodium sulfate
D) 0.2 m aluminum nitrate E) Cannot be determined
What is D?
What type of school was UTEP originated as?
What is the State School of Mines and Metallurgy?
Name if these compounds are ionic or covalent:
CF4
Na2O
H2O
NaCl
Covalent
Ionic
Covalent
Ionic
Draw the best structure for the bromate ion, showing all lone pairs.
Check board.
Which one of the following substances should exhibit hydrogen bonding in the liquid state?
A) HBr
B) CH4
C) PH3
D) NH3
E) None of the above
What is D?
What is the osmotic pressure of a solution that contains 13.7 g of propyl alcohol (C3H7OH) dissolved in enough water to make 500. mL of solution at 27°C?
A) 0.014 atm
B) 0.037 atm
C) 0.456 atm
D) 0.01 atm
E) 11.2 atm
What is E?
Who is this player?
Bonus Points (200) if you name 2 of the clubs he's played at
Who is Lionel Messi?
Give the formula of all the following with charges:
Iron (III) Nitrate
Aluminum Sulfite
Calcium Phosphate
Fe(NO3)3
Al2(SO3)3
Ca3(PO4)2
The number of resonance structures for the nitrate ion that satisfy the octet rule is:
a) 1
b) 2
c) 3
d) 4
e) None of the above
What is C?
Which of the following would be expected to have the highest vapor pressure at room temperature?
benzene, bp = 80°C
propanol, bp = 97 °C
ethanol, bp = 78°C
water, bp = 100°C
methanol, bp = 65°C
What is E?
How many grams of water are needed to dissolve 27.8 grams of aluminum nitrate, NH4NO3, in order to prepare a 0.452m ammonium nitrate solution?
What is 768g of H2O
Name 3 other UT schools.
UT Austin, UT Arlington, UT Dallas, UT Permian Basin, UT Rio Grande Valley, UT San Antonio
The number of molecules represented by 35 grams of carbon dioxide is approximately?
What is 4.789*1023 molecules of CO2
How many bonds and lone pairs must an oxygen atom and a carbon atom have in order to have a formal charge of -1? Assume the octet rule is obeyed.
What is Oxygen: 1 bond, 3 lone pairs. Carbon: 3 bonds, 1 lone pair.
Sublimation of substance X is likely to occur at:
A) about 30°C B) about 70°C C) about 20°C D) above 80°C E) about 28°C
What is C?
A 9.50 % by mass solution of acetone (C3H6O) in water has a density of 0.9849 g/mL at 20°C. What is the molarity of this solution?
1.62M
What is the name of the basketball coach who led UTEP to win the NCAA in 1966?
Who is Don Haskins?
Calculate the mass of lithium perchlorate that needs to be dissolved in an aqueous lithium perchlorate solution to contain 2.5*10^23 atoms of lithium in the solution
What is 44g of LiClO4
The hybridization of the central atom and the geometry of the carbonate ion are:
Which one of the following will have both dispersion forces and dipole-dipole forces?
a) HCl
b) BCl3
c) Br2
d) CF4
e) CO2
What is a? Bonus 100 if you say why b is wrong
A solution that contains 55.0 g of ascorbic acid (Vitamin C) in 250. g of water freezes at –2.34°C. Calculate the molar mass (in units of g/mol) of the solute. Kf of water is 1.86°C/m.
What is 174.6 g/mol
Name every single student in the workshop.
Demonstrate.