Ask Question

How much energy is evolved during the formation of 98.7 g of fe, according to the reaction below? fe2o3 (s) + 2 al (s) → al2o3 (s) + 2 fe (s) δh°rxn = - 852 kj?

+1
Answers (1)
  1. 19 May, 03:13
    0
    The energy that evolved during the formation of 98.7g of Fe is 1505.5 Kj

    calculation

    find the number of moles of iron = mass/molar mass

    molar mass of iron = 55.85 g/mol

    moles = 98.7 g / 55.85 g/mol = 1.767 moles

    energy evolved is therefore = 852 x 1.767 = 1505.5 Kj
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “How much energy is evolved during the formation of 98.7 g of fe, according to the reaction below? fe2o3 (s) + 2 al (s) → al2o3 (s) + 2 fe ...” in 📗 Chemistry if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers