Stoichiometry: Calculating the Amount of Reactants and Products in a Chemical Reaction

Question 1

The word is derived from the Greek terms stoicheion meaning element and metron meaning to measure.

Answer 1

TRUE

Question 2

What does stoichiometric calculations show?

Answer 2

MOLAR RELATIONSHIP between reactants and products.

Question 3

Stoichiometric factors cannot allow you to compute products from reactants and vice-versa.

Answer 3

TRUE

Question 4

what are the steps? (4)

Answer 4

mass of sub A - mol of sub A - mol of sub B - mass of sub B

-the dash means CONVERT TO. mass of sub A convert to mol of sub B ganun

Question 5

What is a stochiometric ratio or molar ratio?

Answer 5

describe the relationship between two chemical species in a given chemical reaction.

Question 6

Quantitative relationships involved in a chemical reaction. What is this?

Answer 6

other meaning of STOCHIOMETRY.

Question 7

Mathematically, stochiometric or molar ratios can be expressed as ratios or fractions.

Answer 7

TRUE

Question 8

given chemical reaction: 4 Fe + 3 O -> 2 Fe2O3

4 mol Fe: 2 mol Fe2O3. What does this mean?

Answer 8

this is the stochiometric/molar ratio.

4 mol Fe: 2 mol Fe2O3

in the given chemical reaction, 4 moles of Fe are needed to form 2 moles of Fe2O3