Thermochemistry Round Robin Review /*---«-----'-H%
Make the following conversions:
a. convert 235 Calories into calories
CJgrxg _' Aka-J Z
b. convert 300 ] into k]
300:1 7: 10,3
c. convert 458 calories into 'ou e
Unit Analysis Practice Problems
1. Racing cars at the Indianapolis Motor Speedway routinely travel around the track at
an average speed of 0.0963 km/sec. What is this speed in miles/hour?
(1 km = 0.62 miles)
2. The length of a marathon rac
Unit 4 Review Problems
1. Give the percentage composition for each compound:
2. Calculate the molar mass of
3. a) How many moles are in 16.0 grams of CuCl2?
b) How much does 7.00 moles of NaC
Unit 4 Monster Problem
You are performing a combustion reaction with an unknown liquid hydrocarbon. Chemical analysis shows that the
compound is 88.8% Carbon and 11.2% Hydrogen by mass. The molar mass is 108.2 g/mol. You perform this
Titration Practice Problems
Find the requested quantities in the following problems:
If it takes 54 mL of 0.1 M NaOH to neutralize 125 mL of an HCl solution, what
is the concentration of
Worksheet: Writing Chemical Formulas and Naming Compounds
The table below contains chemical compound names and formulas. Fill in the missing
formula or name for each compound.
Iron III chloride
Unit 1 Quiz 2 Measurements and Conversions Review
SIG FIGS/SCIENTIFIC NOTATION:
1. Count the number of significant figures in the following numbers:
a. 1001.0 5
c. 40.096 5
e. 0.0505 3
Solutions and Molarity Review
1. A _ is the substance that is dissolved.
2. A _ is the substance that does the dissolving.
3. A _ solution has the maximum amount of solute dissolved in a given amount of solvent.
4. A _ solution
Name: _ Date: _
Significant Figures and Scientific Notation
Add the following and determine the correct number of significant figures:
1. 9.1 x 104 mL + 1.1 x 104 mL + 2.0 x 104 mL = _
2. 1.8 x 10-5 g + 3.25 x 10-4 g + 4.6 x 10-5 g = _
3. 2.3 x 102 g + 4.
Significant Figures in Measurements and Calculations Worksheet
Determine the number of significant figures in each of the following measurements:
11. 2500 cm
14. 3.58 x 10-9 g
Thermochemistry Guided Notes
Big Equation #1:
Big Equation #2:
Hphase change =
At freezing and boiling points, the temperature _. Thus, when an ice cube is actually
Thermochemistry Problems Worksheet Number Two (answers available on web site)
The older energy unit of calories has not been discussed in class. You may see it from time to
We. The conversion is 1.000 cal = 4.184 J. All the calculation techniques ar