Chapter 23

Pataasin ang iyong marka sa homework at exams ngayon gamit ang Quizwiz!

A(n) _____ is a substance that produces H+ ions in a water solution

Acid

IT has the chemical formula HNO3

Acid

It can be corrosive

Acid

It has a sour taste

Acid

It's forms hydronium ions in water

Acid

A bitter taste and a slippery feels are clues that a solution is probably a(n)

Base

A(n) _____ is a substance that produces OH- ions in a solution

Base

In a solution, it feels slippery

Base

It has a bitter taste

Base

It has the chemical formula Ca(OH)2

Base

Blood contains compounds called ____ that allow small amounts of acids or bases to be absorbed without harmful effects

Buffers

pH measures the ____ of hydronium ions in a solution

Concentration

It reacts with an indicator to produce a change in its color

Could be either acid or a base

The main advantage of detergents over soaps is that

Detergents can be used in hard water

In a titration, the _____ is the point at which the indicator changes color and stays that way

Endpoint

A(n) ____ comes from an alcohol that is not a base but has a hydroxyl group

Ester

True or False Solutions that have an equal concentration of H+ ions and OH- ions are considered acidic

False- Neutral

True or False In titration, of the solutions of unknown concentration is an acid, the standard solution used is also an acid

False- not also an acid

Change color in the presence of an acid and base

Indicators

Figure 23-1 shows

Ionization of an acid

Polyester are fibers made of

Many esters

In a ___ reaction, an acid and a base produce a salt and a water

Neutralization

Ammonia is a weak base because it produces

Only a few

A ____ is a compound formed in solution from the negative ion of an acid and the the positive ions of a base

Salt

Coffee has a pH of about 5. Coffee is __.

Somewhat acidic

In a titration, the ___ is the solution for which the concentration of another solution is known

Standard solution

A solution refers to the ease with which an acid or base forms ions in solution

Strength

True or False It is possible to have a weak acid or base

True

True or false It is possible to have a concentrated solution of a weak acid or base

True

A base that on.y partly ionizes in a solution is a ____ base

Weak

In a chemical equation a single arrow that points at the ions that are formed indicates a _____ acid or base

Weak

To neutralize gastric juices in your stomach, antacids contain ____.

bases

The formula HCl stands for ____.

hydrochloric acid

H3O+ units are also known as ____.

hydronium ions

_____ measures how acidic or basic a substance is

pH

A process that uses a solution of known concentration to find the concentration of another solution is called

titration


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