W3 Acids,bases and pH

Question 1

What is acid?

Answer 1

Acid is a substance(compound) that separates when dissolved in water and releases hydrogen ions (H+)

Question 2

What is an acid base?

Answer 2

Is a substance that separates when dissolved in water and releases hydroxide ions (OH-)

Question 3

What is a weak acid?

Answer 3

BMS191 pp

Substance that has a weak tendency to dissociate completely to release OH-

Question 4

What is pH?

Answer 4

Potential hydrogen. The measure of the concentration of hydrogen ions (H+) solution

Question 5

What are buffers?

Answer 5

Is a substance that is able to remove or add H+, able to resist changes in pH

Question 6

Why is the correct pH important for the body?

Answer 6

To maintain homeostasis. Outside 7.35-7.45 the body is severely compromised. Acidosis/Alkalosis

Question 7

What is a salt?

Answer 7

Substances separates when dissolved in water and releases an cation and an anion.

Question 8

What is a weak acid base?

Answer 8

A Substances that has a weak tendency to dissociate to release OH-, may also reform

Question 9

What scale pH does the body like to maintain?

Answer 9

7.35-7.5, any lower causes Acidosis