Chapter 3: Stoichiometry of Formulas and Equations

Question 1

Define theoretical yield.

Answer 1

Max amount of that product that can be made; calculated

Question 2

Define actual yield.

Answer 2

Amount that’s actualy produceed

Question 3

Percent yield formula.

Answer 3

(actual / theoretical yield) x 100

Question 4

What is Avogadro’s number?

Answer 4

6.022 x 20^23

Question 5

Balance the following chemical equation:

C3H8 + O2 –> H2O + CO2

Answer 5

Coefficients are as followed:

1,5,4,3

Question 6

What is the empirical formula?

Answer 6

Shows the lowest whole number of moles of each element in a compound.

Question 7

What is the molecular formula?

Answer 7

Shows the actual number of atoms of each element in a molecule.

Question 8

What is the structural formula?

Answer 8

Shows the relative placement and connections of atoms.

Question 9

If you need 1 car body and four tiers to make a car but only bought 400 car bodies and 1100 tiers. What is the limiting reactent?

Answer 9

The tiers because there art enough to make 400 complete cars.