Photosynthesis is 6co2 + 6h2o → c6h12o6 + 6o2 1) how many molecules of carbon dioxide are shown in this equation? a-6 b-12 c-8 d-24

8) warming your hands by a fire is an example if which heat transfer? a. conduction b. convection c. radiation d. none of these

Which of the following substances is the most soluble in water? a. sodium chloride b. methane c. bromine d. carbon

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