Chem 1050 Notes for Final

Exam

Part I - True – False Section• 44 questions

• You need a pencil – Scantron used for T/F

• If False, short answer on answer sheet provided

Part I - True – False Section• Density of gases – compare to

air

• Whose more dense?

• CO2

• Methane

• propane

Part I - True – False Section• Oxygen

• Josh • Density of water?

• 1 Liter of water weighs?

• What kind of solutions conduct electricity?

Part I - True – False Section• Whose more dense?

• Oil or water

• Ethanol or water

• Hydrocarbon and alcohol molecule structures

Part I - True – False Section• Chromatography Lab

• Distillation Lab

• Mixtures – heterogeneous vs homogeneous

• Formulas for baking soda, acids

• pH scale

Part I - True – False Section• Liter vs quart

• Meter vs yard

• Formula weight of water

• Formula weight of an ionic compound

• Balanced equations

Part I - True – False Section• Balanced equations –

conservation of mass

• Dry ice is ?

• Mix dry ice and water

• Where acids and bases are on pH scale

Part II – Essay & Problems• Look over our acid base lab.

Know where common household items are on pH scale

• Know common formulas (naming and writing)

• Calculate feet to inches to cm to m to miles

Part II – Essay & Problems• Know common conversions:

• Inch and cm

• Liter and quart

• Lb and grams

• mL and g of water

• Mol and atoms

Part II – Essay & Problems• Example of formula weight of

ethanol, C2H5OH

• 1 lb of ethanol =? (given density of ethanol = .80g/mL

• Lb and grams of ethanol

Part II – Essay & Problems• Example of burning of 5 lb of

propane, C3H8

• Balance selected equations:

• Acid/base

• combustion

Part II – Essay & Problems• Limestone formula

• Mol of limestone given mass

Part II – Essay & Problems

• 50 pts on one page on thoughts of your team’s town meeting

• 50 pts on one page on thoughts of the whole town meeting.

• Part I – True and False

• 44 questions = 220 points

• Part II – Essay and Problems

• 330 points

• Total 550 points – curved (adjusted after final)

• I will provide all handouts for final.

• You need a calculator for any calculations and pencil (for Scantron portion).

• If you miss the final you have the balance of the week to take it in Testing Center or 0 will be earned (unless extenuating circumstances)

Good Luck !I enjoyed having you

in C-1050