Ratios Chemical Equations

• 2:2

• 1:1

• 2:1

• 1:2

Tags

NGSS.MS-PS1-1

• 2:2

• 1:1

• 2:1

• 1:2

How many moles of hydrogen gas react with one mole of oxygen gas?

2 H2 + O2 --> 2 H2O

• 1 mol H2

• 2 mol H2

• 3 mol H2

• 4 mol H2

Tags

NGSS.HS-PS1-7

Using this chemical equation, if we burn 3 moles of Ethanol (C₂H₆O), how many moles of water will we make?
C₂H₆O+ 3 O₂-> 2 CO₂+ 3H₂O

• 1
• 3
• 9
• 12

Tags

NGSS.HS-PS1-7

How many moles of water will be produced if 8.3 moles of oxygen gas react?

2 H2 + O2 --> 2 H2O

• 8.3 mol H2O

• 16.6 mol H2O

• 4.15 mol H2O

Tags

NGSS.HS-PS1-7

4NH₃ + 5O₂-->4NO + 6H₂O
What is the total number of moles of H₂O produced when 12 mole of NH₃ is completely consumed?

• 15
• 18
• 20
• 24

Tags

NGSS.HS-PS1-7

1 P₄ + 3 O₂ → 2 P₂O₃

What is the mole ratio of P₄ to O₂?

• 1:3

• 1:2

• 3:2

• 3:1

Tags

NGSS.HS-PS1-7

N₂ + 3H₂ → 2NH₃

How many moles of N₂ is needed to react with 6 moles of H₂?

• 2 mol

• 3 mol

• 4 mol

• 18 mol

Tags

NGSS.HS-PS1-7

4NH₃ + 5O₂ → 4NO + 6H₂O

In order to produce 2 moles of NO, how many moles of O₂ have to be used?

• 2.5 mol

• 4 mol

• 5 mol

• 10 mol

Tags

NGSS.HS-PS1-7

CH₄ + 2O₂ → CO₂ + 2H₂O

If 3 moles of oxygen gas are used for burning all methane present, how many moles of carbon dioxide are produced?

• 0.5 mol

• 1.5 mol

• 2 mol

• 2.5 mol

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-7