I don't even know what the instructions mean because I was absent in class for a day. PLEASE ANSWER WITHIN A DAY IF POSSIBLE. I'm gonna have to try and figure it out if not lol. Thanks <3

Often on a topographic map, every fifth contour line is darkened. what is this line called? a. key b. slope c. benchmark d. index contour

In the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al

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