Naming Compounds
What is the chemical name of PF5?
phosphorus pentachloride
Which of the following compounds would be soluble in water? KNO3, C6H12, HCl, and CCl4
KNO3 and HCl
Name all of the strong acids and strong bases
HCl, HBr, HI, HNO3, HClO4, H2SO4 (strong acids)
LiOH, NaOH, KOH, RbOH, CsOH, Ba(OH)2, Sr(OH)2, Ca(OH)2 (strong bases)
What is the volume of 1.00 mole of a gas at standard temperature and pressure?
22.4 L
What kind of forces hold two mater molecules together in solution?
hydrogen bonds
Write the chemical formula of magnesium hydroxide
Mg(OH)2
How many grams of K2CO3 are needed to make a 200 mL solution with a molarity of 2.5M?
70g
What is the Ka of the following chemical equation?
H3PO4 (aq) + Ca(OH)2 (aq) → Ca3(PO4)2 (s) + H2O (l)
[H3PO4][Ca(OH)2] = Ka
Given the following sets of values, calculate the unknown quantity.
P = 1.01 atm, T = 25oC, V = ?
0.20L
What type of attraction occurs between two KBr molecules?
ion dipole interactions
What is the chemical name for Fe(OH)3 ?
iron (III) hydroxide
unsaturated
Hydrogen phosphate has a Ka value of 2.2 x 10-13 while carbonic acid has a Ka value of 4.3 x 10-7. Which acid is weaker?
hydrogen phosphate
What volume is occupied by 5.03 g of O2 at 28°C and a pressure of 0.998 atm?
3.9L
What bond angles are present in BF3?
120o
What is the chemical formula of beryllium phosphide?
Be3P2
How many liters of a 3.4 M solution can be made with 78g of C3H8O?
0.41 L
What is the [H3O+] of a solution if the [OH-] is 4.5 x 10-5? Is this solution acidic or basic?
2.22 x 10-10, basic
If you were to take a volleyball scuba diving with you what would be its new volume if it started at the surface with a volume of 2.00L, under a pressure of 752.0 mmHg and a temperature of 20.0°C? On your dive you take it to a place where the pressure is 2943 mmHg, and the temperature is 0.245°C.
0.477L
What is the electron geometry of water? Is water polar?
What is the name AND chemical formula of a compound made between mercury and nitrite?
What is the concentration of a solution with a volume of 9mL that contains 2g of iron (III) hydroxide?
2 M
Will reactants or products be favored at equilibrium?
HNO3 (aq) + H2O (l) > H3O+ (aq) + NO3_ (aq)
(hint: you will need to look at the acid/base strength chart in your notes)
products will be favored
When filling a weather balloon with gas you have to consider that the gas will expand greatly as it rises and the pressure decreases. Let’s say you put about 10.0 moles of He gas into a balloon that can inflate to hold 5000.0L. Currently, the balloon is not full because of the high pressure on the ground. What is the pressure when the balloon rises to a point where the temperature is -10.0°C and the balloon has completely filled with the gas.
0.043 atm
What is the electron geometry of CO2? What is the molecular geometry of CO2? Is CO2 polar?
Linear, linear, non-polar