Ical Equations (continued) Identify which of the reactions below is endothermic, and explain
how you know.
AH = –1625 kJ
1. 4Fe(s) + 302(g) → 2Fe2O3(s)
2. NH4NO3(s) + NH4+ (aq) + NO3- (aq)
AH= 27 kJ

so what is the problem with your lab report and whats the subject of the lab report? i will you

every chemical equation adheres to the law of conservation of mass, which states that matter cannot be created or destroyed. therefore, there must be the same number of atoms of each element on each side of a chemical equation.

un recipient conține 6,4 moli de gaz. gazul hidrogen reprezintă 25% din totalul kilometrilor din container. în cazul în care presiunea totală este de 1.24 atm ceea ce este