Thermochemical Equation Stoichiometry

The reaction:

A + B → C

ΔH = + 25 kJ

is a(n):

• Exothermic Reaction

• Endothermic Reaction

• Neutralization Reaction

• Spontaneous Reaction

Which is true for this enthalpy diagram?

• Exothermic Reaction
• Endothermic Reaction
• ΔH > 0 kJ
• Δ H = 0 kJ

How much heat is absorbed if
4.0 mole A reacts?
A + 2B + 22.0 kJ → 3C  

• 22.0 kJ
• 44.0 kJ
• 66.0 kJ
• 88.0 kJ

The Equation for this reaction is:

• C + O₂ + 393 kJ→ CO₂
• C + O₂ → CO₂ + 393 kJ
• C + O₂ + 393 kJ→ CO
• C + O₂  + 110 kJ → CO