Chapter 2 Introduction Chemistry Flashcards
1
Q
what does pH stand for
A
stands for the potential of hydrogen
2
Q
what does pH measure
A
measure of hydrogen ions in a water based substance
3
Q
describe the pH scale
A
acids 1-6
neutral 7
bases 8-14
4
Q
do acids taste sour or bitter
A
sour
5
Q
do bases taste sour or bitter
A
bitter
6
Q
what color are acids on the pH scale
A
orange, yellow, red
7
Q
what color are bases on the pH scale
A
green, blue, purple
8
Q
do acids and bases gain or lose hydrogen
A
acids gain hydrogen ions
bases lose hydrogen ions
9
Q
what is created when acids gain hydrogen ions
A
hydronium
10
Q
what is created when bases lose hydrogen ions
A
hydroxide
11
Q
what kind of change does each numberon the pH scale represent in acidity or basis
A
a 10 fold change
12
Q
how much more acidic is a water with a pH of 5 than 6
A
10x more
