unit 3

Question 1

whats diffusion

Answer 1

a physical process where solute moves from an area of high concentration to a lower concentration

Question 2

Whats osmosis

Answer 2

Diffusion of water through a selectively permeable membrane

Question 3

Whats osmotic pressure

Answer 3

The force generated by water movement

Question 4

What is the Isotonic stage?

Answer 4

Equal concentration on both sides of the membrane

Question 5

What is the hypertonic stage?

Answer 5

Water is higher inside and moves outside in the end

Question 6

What is the hypotonic stage?

Answer 6

Water is higher outside and moves inside in the end

Question 7

How to calculate weight change?

Answer 7

Weight after osmosis - weight before osmosis

Question 8

How to calculate % change in weight

Answer 8

(weight change / initial weight) x 100

Question 9

The cell is _______ to the 4% NaCl solution

Answer 9

Hypotonic

Question 10

The 8% NaCl solution is ______ to the cell

Answer 10

Hypertonic

Question 11

The 0.4% NaCl Solution is _______ to the cell

Answer 11

Hypotonic

Question 12

The cell is ______ to distilled 0.9% NaCl Solution

Answer 12

isotonic

Question 13

Distilled water is _______ to the cell

Answer 13

Hypotonic