The various components of crude oil are separated in a refinery based on differences in
boiling point
When a solvent is cooled, it will dissolve
more gas
hydrogen bond
a force between a hydrogen atom of one polar molecule and another polar molecule.
Which of the following solutions is likely to have a pH less than 7?
carbonic acid
The R in R-COOH or R-C=O stands for
any hydrocarbon group
Which of the following are properties of basic solutions?
they feel slippery
Which of the following are properties of acidic solutions?
They turn the dye litmus red.
They taste sour.
They react with active metals to produce hydrogen gas.
An alkane with 3 carbon atoms would have how many hydrogen atoms in the molecule?
8
fats and oils are
esters of glycerol and fatty acids
The sum of the coefficients must be the same on both sides of a chemical equation. true or false?
FALSE
The site of a chemical reaction on an organic molecule is usually
a functional group.
a multiple bond.
a lone pair of electrons.
Compounds with the general structural formula RCOOH are known as
carboxylic acids.
Propanol and iso-propanol have different ............., but the same .............
physical properties, chemical properties
solution
a homogeneous mixture of ions or molecules of two or more substances
saturated solution
a solution which has achieved equilibrium between the solute that is dissolving and the solute coming out of solution
H3O+
the ion that is responsible for acidic properties
OH-
the ion that is responsible for basic properties
water and a salt
the products of an acid base reaction
organic chemistry
the study of compounds that have carbon as the principal element
a carbon atom has ....... valence electrons
4