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mz24k mz24k
wrote...
Posts: 33
Rep: 1 0
12 years ago
These are pre test questions I am very bad with chemistery apparently *laughs* So I have been on here as much as possible and see that Lena and I are at the same school taking the same classes. Lena if you need help with ' Mediolegal Inv. into Death" let me know, although I had that class months ago, and see that your done with your chem class, thats where I am now ;-)
So these are pre test questions, anyone that can help and maybe give page number where to look I would appreciate it much Slight Smile
Here they are:

Which is a characteristic of alkanes?
 contain C = C

 general formula CnH2n

 saturated

 some isomers are cis and trans

_____________________________ ___________
Which fossil fuel, when combusted, emits minimal amounts of carbon monoxide, hydrocarbons, and particulates? In other words, which of these burns the "cleanest"?
 petroleum

 charcoal

 natural gas

 coal

_____________________________ ___________
At current usage rates, world reserves of which fuel below are estimated to last for the least number of years?
 natural gas

 hydrogen

 petroleum

 coal
 
_____________________________ ___________
A compound containing seven carbon atoms is
 heptane

 octane

 hexane

 nonane
_____________________________ ___________
The complete combustion of C8H18 yields

NOTE: The "8" and "18" are intended to be subscripts. The "2"'s are subscripts in the answer choices below.
 C2H2 and H2
 CO and H2O

 CO2 and H2O

 C and H2

_____________________________ ___________
An organic compound with an OH functional group is a(n)
 aldehyde

 ketone


 ether

 alcohol

_____________________________ ___________
The odor in many fruits is due to the presence of
 amines

 esters

 carboxylic acids

 alcohols

_____________________________ ___________
Which polymer occurs naturally?
 nylon

 dacron

 polycarbonates

 latex rubber

_____________________________ ___________
Polysytrene is a plastic that is noted for its use in
 plumbing pipes

 drinking cups

 clothing fabrics

 automobile paints

_____________________________ ___________
Which carboxylic acid is known as vinegar?
 butyric

 propionic

 acetic

 formic

Thanks for any help I have some of these answered, but mine may be wrong. Theres no rush, and thanks for any help,
Mz24k
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mz24k Author
wrote...
12 years ago Edited: 12 years ago, mz24k
Module 4 Homework
Which is a characteristic of alkanes?
 contain C = C

 general formula CnH2n

saturated

 some isomers are cis and trans



___________________ ___________________ __
Which fossil fuel, when combusted, emits minimal amounts of carbon monoxide, hydrocarbons, and particulates? In other words, which of these burns the "cleanest"?
 petroleum

 charcoal

natural gas

 coal


___________________ ___________________ __
At current usage rates, world reserves of which fuel below are estimated to last for the least number of years?
 natural gas

 hydrogen

 petroleum


 coal



___________________ ___________________ __
A compound containing seven carbon atoms is
heptane

 octane

 hexane

 nonane



___________________ ___________________ __
The complete combustion of C8H18 yields

NOTE: The "8" and "18" are intended to be subscripts. The "2"'s are subscripts in the answer choices below.
 C2H2 and H2
 CO and H2O

CO2 and H2O

 C and H2



___________________ ___________________ __
An organic compound with an OH functional group is a(n)
 aldehyde

 ketone


 ether

alcohol



___________________ ___________________ __
The odor in many fruits is due to the presence of
 amines

esters

 carboxylic acids

 alcohols



___________________ ___________________ __
Which polymer occurs naturally?
 nylon

 dacron

 polycarbonates

latex rubber



___________________ ___________________ __
Polysytrene is a plastic that is noted for its use in
 plumbing pipes

drinking cups

 clothing fabrics

 automobile paints


___________________ ___________________ __
Which carboxylic acid is known as vinegar?
 butyric

 propionic

 acetic

 formic
Thank you for the post to this in a different section!
Mz
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