Chapter 14

Question 1

What is a bronsted-lowry acid?

Answer 1

a substance that can transfer H

Question 2

What is a bronsted lowry base?

Answer 2

a substance that can accept H

Question 3

Define Conjugate pairs

Answer 3

chemical species that differ by one proton

Question 4

What type of acid almost completely disassociates in water?

Answer 4

Strong Acid

Question 5

Name the 4 strong Acids

Answer 5

HClO4, HCL, H2SO4, HNO3

Question 6

Which type of acid has strong conjugate bases?

Answer 6

Weak Acids

Question 7

What are usually strong bases?

Answer 7

Hydroxides of group 1 and 2 metals

Question 8

What is the value of Kw?

Answer 8

1.0x10^-14

Question 9

What are the two equations for ph?

Answer 9

ph=-log[H3O] or ph=14-(-log[OH])

Question 10

What is the equation for Ka?

Answer 10

Ka=[Products]/[Reactants]

Question 11

What type of acids have Ka abouve 10^-5?

Answer 11

Strong Acids

Question 12

What is the equation for pKa?

Answer 12

-logKa

Question 13

What is the relationship between Ka and Kb?

Answer 13

Their product equals Kw

Question 14

Which type of solution will yield a neutral solution?

Answer 14

Strong Acid+Strong Base

Question 15

Which ions don’t contribute to the ph of a solution?

Answer 15

Group 1, Group 2, Cl-, Br-, I-, NO3-, ClO4

Question 16

As bond strength increases what happens to acidity?

Answer 16

acidity goes down

Question 17

Which acid is strongest, and why?

CH4, NH3, H20, HF

Answer 17

HF. F is the most electronegative element in that group.