Chapter 14&15 Vocab

Question 1

Arrhenius Acid

Answer 1

substance that forms H⁺ (or H₃O⁺) ions in aqueous solution

Question 2

Arrhenius Base

Answer 2

substance that forms OH^- ions in aqueous solution

Question 3

Bronsted Acid

Answer 3

substance that donates a proton (H⁺)

Question 4

Bronsted Base

Answer 4

substance that accepts a proton (H⁺)

Question 5

Conjugate Acid

Answer 5

substance formed after a base accepts a proton (H⁺)

Question 6

Conjugate Base

Answer 6

substance left afer an acid donates a proton (H⁺)

Question 7

pH

Answer 7

power of hydrogen

Question 8

Salt

Answer 8

compound formed from the positive ion of a base and the negative ion of an acid

Question 9

Indicator

Answer 9

a compound whose color changes with the pH; they are either a weak acid or weak base so when you put it in water it makes ions

Question 10

Transition Interval

Answer 10

the range in concentration over which a variation in a chemical indicator can be observed

Question 11

Titration

Answer 11

addition of a solution of known concentration to a solution of unknown concentration until completely reacted

Question 12

Endpoint

Answer 12

the point in a titration at which a marked color change takes place

Question 13

Binary Acid

Answer 13

an acid that does not contain oxygen; such as hydrochloric acid (HCl)

Question 14

Amphoteric

Answer 14

can act as a proton donor (acid) or proton acceptor (base); such as water

Question 15

Hydronium Ion

Answer 15

an ion consisting of a proton combined with a molecule of water; H₃O⁺

Question 16

Lewis Acid

Answer 16

accepts an electron pair

Question 17

Lewis Base

Answer 17

donates an electron pair

Question 18

Alkaline

Answer 18

having the properties of an alkali, or containing alkali; having a pH greater than 7