THE CHEMISTRY OF Forensics
Part 1:
Part 2:
Chemistry Skills:
Vocabulary
- Introduction - slides
- Counting by weighing - activity
- Reading on analysis techniques - here
- Molecular weight - practice - Tyler DeWitt Video
- Converting between moles and grams - slides - practice - Tyler DeWitt Video
- Empirical formulas - slides - practice - Tyler DeWitt Video
- Airplane crash activity - here
- Hydrate calculations - slides - practice - video
- Lab on hydrates - here
- Converting between moles and volume - practice
- Percent Mass and Lockerbie - here
- Skills test review questions - here
- Skills test
Part 2:
- Mole ratios in reactions - intro
- Combustion and fuels - here
- Table stoichiometry - introduction
- Table stoichiometry - practice
- More Stoichiometry - practice
- Even more stoichiometry practice
- Lab - stoich
- Stoichiometry review
Chemistry Skills:
- Be able to use the mole to convert mass to numbers
- Be able to use Avogadro’s number to convert moles into numbers of items
- Be able to convert volume of a gas at STP to moles and vice-versa
- Be able to determine the percent composition of a compound
- Be able to determine the empirical formula of a compound
- Be able to distinguish between empirical and molecular formulas
- Be able to describe conserved quantities in chemical reactions
- Be able to use mole ratios to solve stoichiometric problems
- Be able to identify the limiting reagent of a reaction
- Be able to calculate percent yield of a reaction
Vocabulary
- Mole
- Avogadro’s number
- Representative particle
- Molar mass
- Avogadro’s hypothesis
- STP
- Molar volume
- Percent composition
- Empirical formula
- Stoichiometry
- Mole ratio
- Limiting reagent
- Excess reagent
- Theoretical yield
- Actual yield
- Percent yield