Liquid octane reacts with oxygen gas to form carbon dioxide gas and water vapor. express your answer as a chemical equation. identify all of the phases in your answer.

The density of an unknown gas at 98°c and 740 mmhg is 2.50 g/l. what is the molar mass of the gas with work showed?

Which describes interactions between substances and stomata during photosynthesis? check all that apply. oxygen enters stomata. oxygen is released through stomata. carbon dioxide enters stomata. carbon dioxide is released through stomata. hydrogen enters stomata. hydrogen is released through stomata.

The variability in marine salinity between habitats does not impact the fish living there. select the best answer from the choices provided t f