Methanol (ch3oh) burns according to the equation 2ch3oh(l) + 3o2(g) → 2co2(g) + 4h2o(l), δh°rxn = –1454 kj/mol. how much heat, in kilojoules, is given off when 75.0 g of methanol is burned?

An occluded front moves over the farmland that has been experiencing drought conditions. what change in weather will this front likely bring? a. gray skies, but no rain b. an extended period of rain c. more dry air and sunny skies d. violent, short-lived thunderstorms

What is the equilibrium constant of aa+bb=cc+dd

Choose all the answers that apply. as ocean depth increases, temperature decreases temperature increases pressure increases pressure decreases salinity increases density increases