Stoich 2

SO₂ + PCl₅ --> SOCl₂ + POCl₃
How much SOCl₂ is produced when 16.2g SO₂ react with 13.7g PCl_5? 

• 7.87g
• 30.1g
• 26.4g
• 19.8g 

Tags

NGSS.HS-PS1-7

Use the equation 2 Al + 3 Cl₂ ---> 2 AlCl₃.  If 2 moles of aluminum and 2 moles of chlorine are reacted, identify the limiting reactant.

• AlCl3
• Cl2
• Al

Tags

NGSS.HS-PS1-7

What is the limiting reactant if 10 moles of NH₃  react  with 30.0 moles of NO?
4NH₃+6NO --> 5N₂ + 6H₂O

• NH₃
• NO
• N₂
• water

Tags

NGSS.HS-PS1-7

Determine the mass of calcium hydroxide produced when calcium carbide reacts with 0.64g of water according ot the following equation

CaC₂ + 2H₂O --> Ca(OH)₂ + C₂H₂

• 10.31 g Ca(OH)₂

• 41.31 g Ca(OH)₂

• 1.31 g Ca(OH)₂

• 31 g Ca(OH)₂

Fe₂O₃ + 3H₂ → 2Fe + 3H₂O
About how many grams of H₂O will be produced from 150 grams of Fe₂O₃? 

• 50 grams H₂O
• 60 grams H₂O
• 5000 grams H₂O
• 6000 grams H₂O

Tags

NGSS.HS-PS1-7

Use the following equation:
2NaOH(aq) + H₂SO₄(aq) --> 2H₂O(l) + Na₂SO₄(aq)
How many grams of sodium sulfate will be formed if you start with 200 grams of sodium hydroxide?

• 150.22 g Na₂SO₄
• 593.44 g Na₂SO₄
• 330.04 g Na₂SO₄
• 297.65 g Na₂SO₄

Tags

NGSS.HS-PS1-7

2C₂H₆ + 7O₂ = 4CO₂ + 6H₂O
What mass of CO₂ will be produced from the reaction of 37.5 g C₂H₆?

• 27.5 g
• 12.8 g
• 55 g
• 110 g

NH₃ + O₂--> NO + H₂O

What is the total number of moles of H₂O produced when 12 mole of NH₃ is completely consumed?

• 15

• 18

• 20

• 24

6CO₂ + 6H₂O --> C₆H₁₂O₆ + 6O₂ 
What is the total number of moles of CO₂ needed to make 2 moles of C₆H₁₂O₆?

• 2.5
• 6
• 12
• 15

6CO₂ + 6H₂O --> C₆H₁₂O₆ + 6O₂ 
What is the total number of moles of water needed to make 2.5 moles of C₆H₁₂O₆?

• 2.5
• 6
• 12
• 15