21 Which of the following equations represents a AH f

Last updated: 6/28/2023

21 Which of the following equations represents a AH f equation a CO2 g H2 g HCOOH HCOOH b CO g H O 1 C 2 C s 2 H2 g 2O2 g 2 HCOOH d C s H O 1 2O2 g HCOOH 1 C s H2 g O2 g HCOOH 1 e