Term 1 2022 Test 1 definitions

Question 1

position

Answer 1

an object’s location relative to a reference point

Question 2

displacement

Answer 2

a change in position

Question 3

velocity

Answer 3

a rate of displacement

Question 4

acceleration

Answer 4

the rate of change of velocity

Question 5

amount of substance (n)

Answer 5

the number of discrete atomic-scale particles in a sample of matter

Question 6

Mole (mol)

Answer 6

the SI unit for amount of substance

Question 7

Molar mass (M) (g.mol^-1)

Answer 7

the mass in grams of one mole of that substance

Question 8

avogadro’s number constant NA

Answer 8

the number of particles per mole of substance

Question 9

solution

Answer 9

a homogenous mixture of solute and solvent

Question 10

solute

Answer 10

a substance that is dissolved in the solution

Question 11

solvent

Answer 11

the substance in which another substance is dissolved, forming a solution

Question 12

Molar Concentration

Answer 12

the amount of solute per unit volume of solution

Question 13

standard solution

Answer 13

a solution of known concentration

Question 14

% Yield

Answer 14

a measure of the extent of a reaction, generally measured by comparing the amount of product against the amount of product that is possible

Question 15

salt

Answer 15

a substance in which the hydrogen of an acid has been replaced by a cation.