topics for today what is in my gasoline? burning a gallon of gasoline…
TRANSCRIPT
- Slide 1
- Topics for Today What is in my gasoline? Burning a gallon of gasoline
- Slide 2
- Readings for Today 3.6 Quantitative Concepts: Mass 3.7 Quantitative Concepts: Molecules and Moles
- Slide 3
- Topics for Wednesday Burning a gallon of gasoline. Where does my gasoline come from?
- Slide 4
- Readings for Wednesday 3.6 Quantitative Concepts: Mass 3.7 Quantitative Concepts: Molecules and Moles
- Slide 5
- Topics for Friday Exam #2
- Slide 6
- Topics for Monday Greenhouse Earth!
- Slide 7
- Topics for Today What is in my gasoline? Burning a gallon of gasoline
- Slide 8
- What is in my gasoline?
- Slide 9
- Gasoline A volatile mixture of flammable liquid hydrocarbons derived chiefly from crude petroleum and used principally as a fuel for internal-combustion engines.
- Slide 10
- Gasoline A volatile mixture of flammable liquid hydrocarbons derived chiefly from crude petroleum and used principally as a fuel for internal-combustion engines. What is volatile?
- Slide 11
- N 2 + O 2 2NO NO + O 2 +. OH + VOCs NO 2 + VOCs high temp VOC = Volatile Organic Compounds Easily goes into the vapor phase Contains C
- Slide 12
- Some VOCs Methane (1 carbon) Ethane (2 carbons) Propane (3 carbons) Butane (4 carbons) Octane (8 carbons)
- Slide 13
- Gasoline A volatile mixture of flammable liquid hydrocarbons derived chiefly from crude petroleum and used principally as a fuel for internal-combustion engines. What is volatile? A barrel Liquid Vapor
- Slide 14
- Gasoline A volatile mixture of flammable liquid hydrocarbons derived chiefly from crude petroleum and used principally as a fuel for internal-combustion engines. What is a mixture?
- Slide 15
- Matter MixturesPure Substances Compounds Elements HeterogeneousHomogeneous Is gasoline heterogeneous or homogenous?
- Slide 16
- Gasoline A volatile mixture of flammable liquid hydrocarbons derived chiefly from crude petroleum and used principally as a fuel for internal-combustion engines. What is flammable?
- Slide 17
- Complete combustion of methane CH 4 + 2O 2 CO 2 + 2H 2 O Undergoes combustion !
- Slide 18
- Gasoline A volatile mixture of flammable liquid hydrocarbons derived chiefly from crude petroleum and used principally as a fuel for internal-combustion engines. What is a hydrocarbon?
- Slide 19
- Paraffin is a hydrocarbon -C -C-HH-C HHHHHHHHHHHHHHHHHHHHHH HHHHHHHHHHHHHHHHHHHHHH
- Slide 20
- Gasoline A volatile mixture of flammable liquid hydrocarbons derived chiefly from crude petroleum and used principally as a fuel for internal-combustion engines. What is a hydrocarbon? A molecule that contains ONLY carbon and hydrogen atoms.
- Slide 21
- Some hydrocarbons Methane Ethane Propane Butane Octane
- Slide 22
- Some hydrocarbons Methane Ethane Propane Butane Octane
- Slide 23
- Gasoline A volatile mixture of flammable liquid hydrocarbons derived chiefly from crude petroleum and used principally as a fuel for internal-combustion engines. Gasoline is a mixture (homogeneous) of over 300 different compounds!!
- Slide 24
- Whats in my gasoline? n-alkanes (straight chain) iso-alkanes (branched) Cycloalkanes Alkenes and Alkynes Aromatics 15-25% 20-30%