Review of the Basics
Chemistry 12
Determine the number of significant digits in the following numbers.
Perform the following operations expressing the answer with the correct number of significant digits. Don’t forget to include units!
Complete the chart as follows:
Convert the following measurements to scientific notation. Be careful to consider significant digits.
Convert the following measurements to standard notation. Be careful to consider significant digits.
How many joules of heat are given off when 45g of water cools from 90.0 oC to 30.0oC?
What is the temperature change that takes place if 824 joules of energy is released when 10.0g of water cools?
What mass of water gives off 1200 joules of energy when there is a temperature change of 35 oC?
Identifying & Naming Compounds and Calculating Molar Mass
Identifying & Naming Compounds and Calculating Molar Mass
Write the correct formulas for each of the following compounds.
Balance the following chemical equations:
Balance the following chemical equations:
Write balanced chemical equations and the reaction type for the following reactions.
Mole-Mass Conversions
Mole-Mole Problems
Stoichiometry: Mixed Problems
Acids & Bases
VSEPR
Solubility
Organic Chemistry