Given the equation: 4 AlCl3(s) + 3 O2(g) ––> 2 Al2O3(s) + 6 Cl2(g) ; ΔH° = –529.0 kJ What is ΔH° for the equation- Cl2(g) + 1⁄3 Al2O3(s) –––> 2⁄3 AlCl3(s) + 1/2 O2(g)

What does the mass of 0.7891 mol of ferric oxide (fe2o3)

Water undergoes a large change in density at 0 ∘ c as it freezes to form ice. calculate the percent change in density that occurs when liquid water freezes to ice at 0 ∘ c given that

11) burning your hand when accidentally touching a hot plate is an example of which heat transfer? a. conduction b. convection c. radiation d. none of these