Water

Question 1

What does Polar mean?

Answer 1

Uneven distribution of charges across a molecule.

Question 2

What is water?

Answer 2

• Polar molecule
• Simple covalent compound
• 25 degrees Celsius
• colourless, odorless liquid

Question 3

Properties of water?

Answer 3

Water is a universal solvent

Question 4

Latent heat of water?

Answer 4

Water has a high latent heat.

Question 5

Why does ice float?

Answer 5

Ice is less dense than liquid water.

Question 6

Specific heat capacity of water?

Answer 6

Water has a high heat capacity of 4.18J.

Question 7

Latent heat of fusion?

Answer 7

Latent heat of fusion is the heat energy required to change 1 mole of a substance from a solid to a liquid at its melting point.

Question 8

Latent heat of vaporisation

Answer 8

Latent heat of vaporisation is the heat energy required to change one mole of a substance from liquid to gas at its boiling point.

Question 9

Specific heat capacity?

Answer 9

Specific heat capacity is a measure of the energy required to raise the temperature of 1g of a substance by 1 degree Celsius.

Question 10

Specific Heat capacity equation?

Answer 10

Q = mc x T

Question 11

Solvent

Answer 11

Substance which dissolves a substance.

Question 12

Solute

Answer 12

Substance being dissolved

Question 13

Solution

Answer 13

Solvent and solute mixture

Question 14

Saturated solution

Answer 14

A solution in which no more solute can be dissolved in the solvent

Question 15

Unsaturated solution

Answer 15

A solution with less solute than the saturated solution

Question 16

Concentration

Answer 16

Amount of solute per volume of solvent

Question 17

Grams per litre equations

Answer 17

Concentration (g/L) = mass of solute/ volume of solution

Question 18

Dilution

Answer 18

Dilution is the addition of solvent which decreases concentration of the solute in the solution.

Question 19

Properties of a Base

Answer 19

• Bitter
• Slippery
• pH 8-14
• Blue
• Reacts w/ acids
• Caustic

Question 20

Properties of a Acid

Answer 20

• Sour
• Not slippery
• pH 0-6
• Red
• Reacts w/ base
• Corrosive

Question 21

Bronsted Lowry Acid

Answer 21

Acid are proton donors

Question 22

Bronsted Lowry Base

Answer 22

Base are proton acceptors

Question 23

Amphiprotic Substances

Answer 23

Can act as an acid or a base depending on what it is reacting with.

Question 24

Conjugate Acids and Bases

Answer 24

They are found on the products side of the equation.