LAB 2. MICROSCOPY

Question 1

Solution

Answer 1

solutes in a solvent

Question 2

Solute

Answer 2

The substance that is dissolved (Present in a smaller amount)

Question 3

Solvent

Answer 3

Part of the solution present in the largest amount

Question 4

Aqueous solution

Answer 4

Water is the solvent

Question 5

Acids

Answer 5

Increase in H+ concentration in solution

Question 6

Bases

Answer 6

Decrease in H+

Question 7

pH scale

Answer 7

Measures how acidic or basic something is

Question 8

Neutral aqueous solution

Answer 8

7

Question 9

Acidic solution

Answer 9

less than 7

Question 10

Alkaline solutions

Answer 10

More than 7

Question 11

pH solution can affect

Answer 11

 The shapes and functions of molecules
 The rates of many chemical reactions
 The ability of two molecules to bind to each other
 The ability of ions or molecules to dissolve in water

Question 12

Buffers

Answer 12

Buffers help to minimize changes in concentrations of H+ and OH- and maintain a constant pH

Question 13

acid-base buffer

Answer 13

a system can shift to remove or release H+ to adjust for changes in pH

Question 14

Bicarbonate Buffer System

Answer 14

Carbonic acid is a buffer that contributes to pH stability in human blood

Question 15

What was the first experiment?

Answer 15

Addition of CO2 into a concentration of phenolphthalein(solution turned bright pink)