short chemistry activity in 3 days

hess_law.docx

Use Hess's Law to find ΔH for the following reactions: Express your answers in kJ/mol of the first reactant on the left in each equation.

1. This is an image of an equation.NH3+O2, reaction arrow, N2 + H2O

2. This is an image of an equation. NO + O2, reaction arrow, NO2

3. This is an image of an equation. H2SO4, reaction arrow, SO2 + H2O + O2

4. This is an image of an equation. Mg + CO2, reaction arrow, MgO + C

5. This is an image of an equation. F2 + H2O, reaction arrow, HF + O2

6. This is an image of an equation. C6H6 + O2, reaction arrow, CO2 + H2O

7. This is an image of an equation. NH3 + O2, reaction arrow, NO2 + H2O

8. This is an image of an equation. CH4 + O2, reaction arrow, CO2 + H2O

9. This is an image of an equation. H2S + O2, reaction arrow, H2O + SO2

10. This is an image of an equation. CaO + H2O, reaction arrow, Ca(OH)2