Unit 1
How many grams are in 5 moles of Calcium?
Topic 1.1
~200.39 g of Calcium
What causes metallic bonding to occur?
Topic 2.1
A sea of delocalized electrons
What are the IMFs present among C8H16OH molecules?
Topic 3.1
LDF, Dipole -Dipole, H bonding. Basically everything.
Label the oxidation numbers in the following compound : K2SO4
Topic 4.9
K= +1
S= +6
O= -4
What is the total order of the following rate law:
R= k[NO]2[O2]1
Topic 5.2
third order
Atoms with the smallest atomic radii will be found where on the periodic table?
Topic 1.7
Up and to the right
Draw the Lewis structure in the correct VSEPR shape for: NO2-. . Include bond angles.
Topic 2.5
will check answers (bent). 120 degrees.
Under what circumstances do real gases behave like ideal gases?
Topic 3.6
High temperatures and low pressures
What are the spectator ions in the reaction between KOH and HNO3
Topic 4.2
K+ and NO3-1
What factors are important to determine if a chemical reaction will occur?
Topic 5.5
The speed that the particles collide with
The orientation that they collide with
particles will only react if they overcome the energy curve
What is the complete electron configuration for iron?
Topic 1.5
1s22s22p63s23p64s23d6
Draw an accurate particle diagram showing solid CaO with 10 of each ion.
Topic 2.3
will check
needs: correct charge on each ion, correct amount of each ion, correct orientation and ion size.
What's the concentration of a NaCl solution containing 5 moles of NaCl dissolved in 2 L of water?
Topic 3.7
2.5 mol / L or 2.5 M
Draw an accurate particle diagram of 8 molecules of water decomposing into its gaseous elements.
Topic 4.3
Should have 4 molecules of O2 and 4 molecules of H2 and 8 molecules of H2.
How would I determine the order of a reaction that is graphed with time and concentration
Topic 5.3
Graph three graphs
[A] vs time
ln[A] vs time
1/A vs time
Determine which is linear
A compound contains 1.10 mol of K, 0.55 mol of Te, and 1.65 mol of O. What is the simplest formula of this compound?
Topic 1.3
K2TeO3
Why is water polar but carbon dioxide is not? What IMFs do they experience
Topic 2.5
Water has a bent shape so the dipoles don't cancel each other out. Carbon is linear so the dipoles do cancel each other out.
Water hydrogen bonding
CO2 LDF
Order these chemicals in terms of increasing IMF strength: CH4, C8H16OH, C8H18
Topic 3.1
CH4 < C8H18 < C8H17O
Write the oxidation reaction and the reduction reaction of: Fe + 2HCl --> FeCl2 + H2
Topic 4.9
Oxidized: Fe --> Fe+2 + 2e-
Reduced: 2H+ + 2e- --> H2
Find the rate law with the following information
Experiment [A] [B] rate
1 .20 .10 2.5
2 .20 .20 5
3 .40 .20 5
Topic 5.2
rate = k [B]
What are the two factors in determining the strength of the attractive force between two charged particles in Coulomb's Law?
Topic 1.7
Distance and size of the charge
What's the bond hybridization for the central atom in BCl3 and why does it break the octet?
Topic 2.7
sp2
The boron only has 3 electrons
What color is light that has an energy of 4.3 x 10-19 J?
Topic 3.12
Blue
In a reaction between zinc and HCl, If 13.6g of zinc chloride is produced, how many grams of hydrochloric acid was reacted
Topic 4.5
7.29 g
The half life of Nickel-65 is 2.5 days. How much of a 100.00 g sample has decayed after 7.5 days?
Topic 5.3
87.5 grams