Curriculum
Course: EST 2 Chemistry
time left:
:
:
Login

Curriculum

EST 2 Chemistry

Structure of Matter

0/11

States of Matter

0/7

Reaction Types

0/9

Stoichiometry

0/7

Equilibrium and Reaction Rates

0/7

Thermochemistry

0/5

Descriptive Chemistry

0/7

Laboratory Skills

0/5
Quiz

Reaction calculations – Check yourself

Submit quiz
Once you submit, you will no longer be able to change your answers. Are you sure you want to submit the quiz?
Cancel Submit

Reaction calculations EST Chemistry check yourself quiz: free practice for EST 2 Chemistry. Work through this Reaction calculations EST Chemistry check yourself quiz and get instant feedback on every answer. If you get stuck, review the 4.3 Reaction calculations lesson. More practice: EST 2 Chemistry — all units. Syllabus: OpenStax free science textbooks.

  • Questions count: 10
  • Passing grade: B+
  • Time limit: 10 minutes
Start Quiz
1.
N2 + 3H2 → 2NH3. Moles NH3 from 3 mol H2
1
2
3
6
2.
The limiting reactant is the one that
has the least mass
is used up first
is in excess
is a gas
3.
Actual 18 g, theoretical 20 g: percent yield
80%
90%
111%
2%
4.
Moles of solute in 0.500 L of 2.0 M solution
1.0
4.0
0.25
2.5
5.
Which statement best describes Stoichiometry?
Calculating amounts of reactants and products from a balanced equation.
Product actually obtained.
Maximum product calculated from the limiting reactant.
The reactant used up first; it determines the amount of product.
6.
Which statement best describes Mole ratio?
Product actually obtained.
The reactant used up first; it determines the amount of product.
The reactant left over after the reaction.
The ratio of coefficients between two substances.
7.
Which statement best describes Limiting reactant?
Actual ÷ theoretical × 100.
The reactant used up first; it determines the amount of product.
Maximum product calculated from the limiting reactant.
The reactant left over after the reaction.
8.
Which statement best describes Excess reactant?
Product actually obtained.
The ratio of coefficients between two substances.
The reactant used up first; it determines the amount of product.
The reactant left over after the reaction.
9.
Which statement best describes Theoretical yield?
Maximum product calculated from the limiting reactant.
The ratio of coefficients between two substances.
Calculating amounts of reactants and products from a balanced equation.
Product actually obtained.
10.
Which statement best describes Actual yield?
Actual ÷ theoretical × 100.
The reactant used up first; it determines the amount of product.
Product actually obtained.
The reactant left over after the reaction.
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
Part of Stoichiometry — see every lesson and quiz in this unit.
Accepted payment methods