hemamahdi1234 hemamahdi1234 15-10-2021 Chemistry contestada Are the following endo- or exothermic? (use Table 1) CH4(8) +202(g) → CO2(g) + 2H200) H2(g) + 12(g) → 2HI(g) 2HI(g) → H2(g) + 12(8)
