science exam-organic chemistry
The general formula for the alkanes is
CnH2n+2
The general formula for alkynes is
CnH2n-2
An organic molecule that has hydrogen and oxygen present in a 2:1 ration is a
carbohydrate
There are so many organic compounds because
carbon can form four covalent bonds
An example of an alkane is
ethane
A compound that is made up only of carbon and hydrogen is called a(n)
hydrocarbon
Compounds that have identical chemical formulas but different modular structures and shapes are called
isomers
Cholesterol is a(n) ____ needed to build cell membranes
lipid
An element that is present in proteins but not in carbohydrates is
nitrogen
DNA is a
nucleic acid
Saturated hydrocarbons contain
only single bonds
The bond between the carboxylic acid group of one amino acid and the amino group of another amino acid is called a(n)
peptide bond
A huge molecule made up of many smaller molecules is called a(n)
polymer
A polymer formed from amino acids is a
protein
accounts for 15% of your body weight
proteins
A bond in which two electrons are shared is called
single bond
The kind, #, and arrangement of atoms in a molecule can be shown in a
structural formula
Rubbing alcohol is a(n)
substituted hydrocarbon
The formula for an organic acid is
-COOH
Characteristic of an alcohol
-OH
# of electrons a carbon atom has in its outer energy level
4
The general formula for alkenes is
CnH2n
A hydrocarbon in which one or more hydrogen atoms is replaced by a -OH group is a(n)
alcohol
An organic compound that has a -COOH group and a -NH2 group is a(n)
amino acid
The raw material used to make proteins are called
amino acids
Chemists and engineers separate petroleum into its individual compounds by
boiling point
All aromatic compounds
contain a benzene ring structure
The individual molecules that make up a polymer are called
monomers
Water and esters are the products of reactions between alcohols and
organic acids
Plastic is a(n)
polymer
The structure of benzene can best be described as a
ring
A hydrocarbon containing only single-bonded carbon atoms is called a(n) _____ hydrocarbon
saturated
A hydrocarbon that has at least one double or triple bond is
unsaturated