Can someone calculate the DH of a reaction? 4 NH3 (g) + 5 O2 (g) > 4 NO (g) + 6 H2o (g)

N2(g) + O2 (g) > 2 NO (g) DH = -180.5 kJ
N2(g) + 3 H2 (g) > 2 NH3 (g) DH = -91.8 kJ
2 H2 (g) + O2 (g) > 2 H2O (g) DH = -483.6 kJ

__can be defined as which velocity changes

14. many depressants reduce small muscle control, making it harder for a. you to steer b. your mind to consider complex problems c. the eye to scan, focus, or stay still d. the kidneys to filter alcohol out of the bloodstream

Which formula can be used to calculate the molar mass of hydrogen peroxide