Worksheets3A Quest Review
Total questions: 50
Worksheet time: 31mins
What is the correct term for oil directly removed from the ground?
Raw oil
Crude Oil
Contaminated Oil
Refined Oil
What are the two ways in which crude oil can vary?
Color and boiling point
Boiling point and viscosity
Viscosity and cleanliness
Viscosity and color
Hydrocarbons are molecules composed of _____ and carbon atoms.
Water
Hydrophillic
Hydrogen
Hydrocarbons
What is another name for hydrocarbon?
Alkane
Alkene
Alkyne
Alkone
The reactants of a combustion reaction are
Hydrogen and carbon
Hydrocarbons and hydrogen
Oxygen and hydrogen
Hydrocarbons and oxygen
What are the products of a combustion reaction?
Water and carbon dioxide
Hydrocarbons and water
Carbon dioxide and oxygen
Water and oxygen
What percentage of petroleum does the US burn for energy?
56%
72%
89%
98%
What is the correct order of steps to remove crude oil from a deposit?
Pumping station, drilling rig, transportation, refining
Drilling rig, pumping station, refining, transportation
Drilling rig, pumping station, transportation, refining
Pumping station, drilling rig, refining, transportation
What is the term that describes the quantity of greenhouse gases emitted based upon individual activities?
Pollution
Carbon footprint
Carbon dating
Reduce, reuse, recycle
What is the name of the technique that separates mixtures based on their boiling points?
Refining
Separation
Filtering
Distillation
What technique is shown above?
Simple Distillation
Complex Distillation
Fractional Distillation
Difficult Distillation
Will the liquid with the higher or lower boiling point condense and become the distillate?
Lower BP
Higher BP
How many carbons would you expect an alkane that separates a the top of the distillation tower to have?
1
5
10
20
Where do alkanes with high boiling points separate?
Top
Middle
Bottom
Where would alkanes with weak intermolecular forces separate?
Top
Middle
Bottom
_______ are the attractions and repulsions between molecules.
Intramolecular forces
Intermolecular Forces
Bonds
Straight-chain
Which alkane would have the strongest intermolecular forces?
CH4
C4H10
C7H16
C10H22
Why do larger alkanes have stronger intermolecular forces?
Because they have more muscles
Because they have more mass
Because they have a larger surface area
All of the above
What is the name of an alkane with 7 carbons?
Septane
Octane
Nonane
Heptane
What is this molecule?
Propane
Heptane
Octane
Decane
What molecule is represented?
Hexane
Heptane
Octane
Nonane
Hydrogen makes ___ bonds and carbon makes ___ bonds.
1;4
4;1
2;2
2;4
This is the ____ formula for ____.
Structural; propane
Structural; ethane
Condensed; propane
Condensed; ethane
What alkane is represented?
Heptane
Octane
Nonane
Decane
How many hydrogens would an alkane with 56 carbons have?
58
60
112
114
What is the name of the shape that carbon makes with its four bonds?
Square-shaped
Tetrahedron
Crystal Lattice
Tripod
What angle do the bonds of a tetrahedron shape make?
109.5
90
108.5
180
What is the molar mass of ethane?
26.04 g/mol
30.08 g/mol
32.06 g/mol
40.01 g/mol
Which alkane has a molar mass of 86.2 g/mol?
Pentane
Hexane
Heptane
Octane
Which of the following is not affected by strength of intermolecular forces?
Density
Boiling point
Viscosity
Physical state
This is when electrons pile up on one side of the electron cloud, causing an unequal distribution of charges.
Isomers
Polarity
Electicity
London Dispersion
What is the permanent way that charges can be unequally distributed?
London Dispersion
Polarity
Electrcity
Paris Agreement
____ are molecules with the same molecular formula, but different structures.
Isotopes
Isosceles
Isopotes
Isomers
A branch-chained alkane has at least one carbon that is bound to ___ or ___ other carbons
1;2
2;3
3;4
4;5
What does branching in an isomer do to its boiling point?
Lowers it
Raises it
Does not affect it
Which of the following combinations would have the highest boiling point?
small alkane; straight-chain
small alkane; branched-chain
large alkane; straight-chain
large alkane; branch-chain
Rank the following from lowest to highest BP
1;2;3
3;2;1
2;3;1
1;3;2
Would you expect this alkane to have a higher or lower boiling point than straight-chained hexane?
Higher
Lower
The same
What is represented in this picture?
Straight-chained butane only
Branch-chained butane only
Straight-chained and branch butane
Which alkane has a molar mass of 142.32 g/mol?
C9H20
C10H22
C11H24
C12H26
What is the name of the following alkane?
CH3CH2CH2CH2CH3
Butane
Propane
Methane
Pentane
Which of the following is not a product of petroleum?
Medications
Polyester fabric
Tupperware
Cotton
Which is not a way to reduce your carbon footprint?
Carpooling to school
Taking long showers
Using a reusable water bottle
Recycling your homework when done
What is the correct molecular formula for methane?
CH4
C2H6
C3H8
C4H10
What is the formula used to solve for the number of hydrogens in an alkane? Assume (n) is the number of carbon atoms.
n+2
2n
2n-2
2n+2
What characteristics do fractions that separate at the top of fractional distillation have?
High boiling point
Gaseous
Small molecules
Used in road/asphalt construction
What characteristics do fractions that separate at the bottom of fractional distillation have?
High boiling point
High viscosity
20+ carbon atoms
Used in lubricants and concrete
How many hydrogens are present on this molecule?
0
4
8
10
Where are opportunities in the oil extraction process for pollution?
Drilling
Pumping
Transportation
All of the above
Why is Chick-fil-a the best fast food restaurant?
Fast and friendly service
Hot, fresh, quality food
Close community relationships
Eco-friendly packaging
