Answer to Question #73220 in General Chemistry for Joycelyn Jackson

Question

(a) write a balanced chemical equation for the formation of 1 mol of Cr2O3(s) from Cr and O 2 in their standard states. ( Find the value for AfH degrees for Cr2O3(s) in Appendix L.)

Answer 1

Answer:
6 big rolls = 8 regular rolls 1 big roll = 8/6 regular rolls
12 super rolls = 22 regular rolls 1 regular roll = 12/22 super rolls
300 big rolls = 400 regular rolls
400 regular rolls ≈ 218 super rolls