Study Guide for Chemistry Final Exam
Semester Two 2015
1. What were Avogadro and Le Chatelier’s contributions to chemistry?
2. Define and use the following term in a sentence: atomic radii, ionic radii, ionization energy,
electronegativity, ionic bond, covalent bond, and metallic bond.
3. a) Rank the Group 1 elements in order of least to greatest reactivity.
b) Explain why certain elements are more reactive than others.
4. Which element or ion has the smaller radius, F or F-?
5. If 80.0 g of copper metal react with a solution that is 105.0 g of AgNO3, then…
Cu + AgNO3  CuNO3 + Ag
a. Write the balanced equation.
b. Determine the limiting reactant.
c. Determine the amount (in moles) of limiting reactant.
d. Determine the theoretical yield of silver (in grams).
6. What are two real-world applications of determining theoretical yield and chemical equilibrium
manipulations (stresses on a system)?
7. A gas is collected over water. Find the dry volume of the gas at STP if 183 cm3 of the gas is
collected at 15.0 oC and 95.5 kPa. Water vapor pressure at 15 oC is 1.70 kPa.
8. At a pressure of 98.0 kPa and temperature of 31°C, ammonia (NH3)gas occupies 18.9 dm3.
Calculate the grams of ammonia in this volume.
9. How many cm3 of chlorine gas are required to produce 155.0 cm3 of hydrogen chloride gas?
(H2 + Cl2  HCl)
10. What is the final volume of a solution if it is necessary to make a 0.0500M solution using 2.0
cm3 of a 3.00M solution of KCl?
11. For the gaseous equilibrium reactions, indicate what happens to the equilibrium position (shift to right
or left) when the indicated stress or condition changes.
H2 + I2
a. Remove HI
b. Increase pressure
2HI + heat