CHEM 111 Fall 2008 LAB EXAM REVIEW
Lab exam will take place during the regular lab time, 8-11 December 2008
The following skills are required for the lab exam:
. proper use of graduated cylinders, pipettes, balances, rulers to measure volume,
weight (mass), and length
. working knowledge of metric system including the unit conversion:
(MEMORIZE the meaning of the following prefixes in metric system:
kilo-, centi-, milli-.
MEMORIZE the following relationships between metric units:
1 km = 1000 m; 1 m = 100 cm; 1 m = 1000 mm; 1 cm = 10 mm;
1 L = 1000 mL;
1 kg = 1000 g
. correct use of significant figures in calculations
. measurements and calculations related to density of rectangular objects, irregular
objects (the volume displacement method), and liquids
. writing lab report
. measurements and calculations related to the preparation of solutions with a given
molarity (M) and % w/w, % w/v, % v/v concentrations
. calculations related to dilutions
.knowledge and application of AMEASUREMENT AND REPORTING GUIDELINES@
. determining names and formulas of the compounds
. writing balanced chemical equations, especially acid-base neutralization reactions
and hydrocarbon combustion reactions
. calculating the amount of reactants and products in chemical reactions including
the limiting reactant and the percent yield
. calculations related to acid-base titrations
. calculating heat produced in chemical reactions
Review for the lab exam:
.handout AMEASUREMENT AND REPORTING GUIDELINES@
. LAB 2 Math. Measurements
. LAB 3 Measurements and density
. LAB 4 Names and formulas of chemical compounds
. LAB 5 Mole calculations. Percent by mass solutions
. LAB 6 Chemical reactions I. Chemical equations
. LAB 8 Quantities in chemical reactions. Heat produced in chem. reactions
. LAB 9 Decomposition of hydrogen peroxide. Solutions.
. LAB 12 Acid-base titration
