5.4 flashcards

Question 1

What is cohesion?

Answer 1

Bonding between H2O molecules

Question 2

What is adhesion

Answer 2

Bonding between H2O and other molecules

Question 3

What is specific heat?

Answer 3

The amount of energy it takes to heat up 1g of a substance by 1C

Question 4

Why does water resist changes in temperature?

Answer 4

Because it has a high specific heat

Question 5

What is heat of vaporization?

Answer 5

The amount of energy it takes for 1g of water to turn into water vapor

Question 6

What must happen in order for water to evaporate?

Answer 6

All hydrogen bonds must be broken

Question 7

Which substances dissolve well in water?

Answer 7

Hydrophillic or polar substances

Question 8

Which substances do not dissolve well in water?

Answer 8

Hydrophobic or nonpolar substances

Question 9

What is pH?

Answer 9

Potential hydrogen, measures H3O on a logarithmic scale

Question 10

What makes a solution acidic?

Answer 10

If [H3O+] is greater than [-OH]

Question 11

What makes a solution basic?

Answer 11

If [H3O] is less than [OH-]