Calculations - All Units

Question 1

How do you calculate average rate?

Answer 1

AR = 🔼 property / time taken

Question 2

How do you calculate relative rate?

Answer 2

RR = 1/t

Question 3

How do you calculate 🔼H using a potential energy diagram?

Answer 3

🔼H = Hp - Hr

Question 4

Calculations from balanced equations.

Answer 4

Step 1: Number of moles of known substance

Step 2: Mole Ratio

Step 3: Calculate wanted amount (eg. mass) of unknown substance

Question 5

Molar volume triangle

Answer 5

V = n x Mv

Question 6

Molar Volume: Which of the following quantities of gases occupies the largest volume under the same conditions of temperature and pressure.

Answer 6

Step 1: Calculate number of moles for all substances.

Step 2: Find one with largest number of moles.

(Smallest volume = smallest number of moles)

Question 7

Molar volume calculation.

Answer 7

Step 1: Calculate number of moles of known substance.

Step 2: Mole ratio

Step 3: Calculate wanted amount (eg. volume) of unknown substance using v = n x Mv.