Determine the enthalpy for this reaction: al (oh) 3 (s) + 3hcl (g) →alcl3 (s) + 3h2o (l) express your answer in kilojoules per mole to one decimal place.

Question

Chemistry

Linda Trevino

13 October, 21:46

Determine the enthalpy for this reaction: al (oh) 3 (s) + 3hcl (g) →alcl3 (s) + 3h2o (l) express your answer in kilojoules per mole to one decimal place.

+5

Answers (1)

Know the Answer?

Aimee Frey · Answer 1

Substance of ΔHf∘ (kJ/mol) are the following:HCl (g) - 92.0 Al (OH) 3 (s) - 1277.0 H2O (l) - 285.8 AlCl3 (s) - 705.6 H2O (g) - 241.8So ...

products - reactants: (all units in kJ) (-705.6) + (3 x - 285.8) - (-1277.0) - (3 x - 92.0) = - 10.0 kJ/mol Al (OH) 3 or mol AlCl3