Chemical equation
balanced or unbalanced?
h2 + 12 2h1
(hydrogen reacts with iodine)
2a1 + 302 - 2a1203
(aluminum reacts with oxygen)
2zn + 2hci – zncl2 + h2
(zinc reacts with hydrogen chloride)

Calculate the standard enthalpy of formation of liquid methanol, ch3oh(l), using the following information: c(graphite) + o2 latex: \longrightarrow ⟶ co2(g) latex: \delta δ h° = –393.5 kj/mol h2(g) + o2 latex: \longrightarrow ⟶ h2o(l) latex: \delta δ h° = –285.8 kj/mol ch3oh(l) + o2(g) latex: \longrightarrow ⟶ co2(g) + 2h2o(l) latex: \delta δ h° = –726.4 kj/mol