Chrome File Edit View History Bookmarks People window Help â ezto.nteducation.com/hm.tpx connect. CHEMISTRY Homework Ch.5 Question 8 (of 12) 10.00 points 3 atempts let Check my work Enter your answer in the provided box. The standard eanthalpy change for the reaction below is 436.4 kJ/mol. Calculate the standard enthalpy of formation of atomic hydrogen (H). It