Answers created by Dr_P

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• What is the difference between the partial pressure and concentration?
  
• What would be the limiting reagent if 41.9 grams of C2H3OF were reacted with 61.0 grams of O2? C2H3OF+2O2=>2CO2+H2O+HF
  
• Question #fd745
  
• How many valence electrons does oxygen have?
  
• How does ionic size change?
  
• How can a calorimeter measure energy?
  
• What causes energy changes in chemical reactions?
  
• What is a base?