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acids and bases
Question | Answer |
---|---|
in a titration, the point where the indicator changes color and stays that way is the | endpoint |
in a titration, the solution for which the concentration is known is called the | standard solution |
H3O+ units are called | hydronium ions |
a substance that produces OH- ions in solution is a | base |
our blood contains______ which allow small amounts of acids or bases to be absorbed without harmful effects | buffers |
organic substances that change color in the presence of an acid and the positive ion of a base is a | salt |
antacids work because they..... excess stomach acid | neutralize |
a solution with a bitter taste and a slippery feel is most likely | a base |
a compound formed in a solution from the negative ion of an acid and the positive ion of a base is called a | salt |
how do antiacids work? they | neutralize |
organic substance that change color in the presence of an acid or base is a | indicator |
HCL is the formula for | hydrochloric acid |
When you wash your hands with soap, you are using a | base |
The terms dilute and concentrated refer to the | concentration |
The strength of a base that only partly ionizes in solution would be described as | weak |
A solution that is basic contains | fewer OH ions than H3O+ ions |
Alcohol is not a | fossil fuel |
A huge molecule made up of many smaller molecules is a | polymer |
a compound that is made up only of carbon and hydrogen is called | hydrocarbon |
a hydrocarbon that has one or more double or triple bonds is what kind of hydrocarbon | unsaturated |
Compounds that have identical chemical formulas but different Molecular structures and shapes are called | isomers |
a hydrocarbon in which one of more hydrogen atoms is replaced by an -OH group is | an alcohol |
alcohols are an example of | substituted hydrocarbons |
what is true of all aromatic compounds | benzene ring |
a hydrocarbon in which all of the carbon atom are joined to other carbon atoms by single covalent bonds is a hydrocarbon | saturated |
an isomer of a compound with the formula C2H6 would have the formula | C2H6 |
petroleum is separated into individual compounds by each compounds | boiling point |
the structure of benzene can best be described as a | ring |
the individual molecules that make up a polymer are called | monomers |