Chapter 19 Honors Chemistry Test Review

pOH

- log [OH-]

pH + pOH = ___

14

Have a sour taste. Vinegar is a solution of acetic acid. Citrus fruits contain citric acid.

Acids

Produce H+ (as H3O+) ions in water (the hydronium ion is a hydrogen ion attached to a water molecule)

Acids

React with carbonates and bicarbonates to produce carbon dioxide gas

Acids

React with certain metals to produce hydrogen gas.

Acids

The Brønsted definition means NH3 is a ____ in water — and water is itself an ____

Base, Acid

Feel slippery. Many soaps contain bases.

Bases

have a bitter taste

Bases

a substance that donates an electron pair

Lewis Base

name a weak acid

NH3

A Brønsted-Lowry ____ is a proton donor

acid

Ph is less than 7

acid

A Brønsted-Lowry ____ is a proton acceptor

base

Ph is greater than 7

bases

a substance that accepts an electron pair

lewis Acid

The ____ scale is a way of expressing the strength of acids and bases. Instead of using very small numbers, we just use the NEGATIVE power of 10 on the Molarity of the H+ (or OH-) ion.

pH

100% dissociated in water.

strong base