Additional Practice Chapter 5-7
Name:
Question 1. Draw the electron dot formulas for the following:
a) CF2O (Carbon is central atom)
b) H2O
c) HCP (Carbon is central atom)
Question 2. Write the molecular formula for the following names:
a) Lead (IV) Oxide
b) Iron (III) bromide
c) Calcium phosphate
d) Potassium sulfate
Question 3. Write the combustion equation for hexane (C6H14) and predict the limiting reactant and the
amount of grams of CO2 produced when 205g of C6H14 and 222g of O2 are burned.
Question 4. If 75g of S3 and 21g of H2 are reacted to form ammonia, H2S:
a) What is the balance chemical equation for the formation of ammonia?
b) What is the limiting reactant?
c) How much H2S is produced, in grams?
d) What is the percent yield if only 62g of H2S are collected?
Question 5. If 23.5L of a gas at -13.8◦C have a pressure of 0.235atm, what is the final temperature in ◦C
if the pressure is increased to 850mmHg and the volume decreased to 14.0L?