Octane is heated from room temperature to 115°C. Will it change phase

You have a liquid that exhibits diltancy. you want to pour it from a bottle. what should you do to the bottle before pouring

Asuspension of yeast cells is being grown under anaerobic conditions such that glucose is degraded to ethanol and carbon dioxide. if one wishes to follow this process by monitoring the release of 14co2, at which positions in the glucose molecule would the 14c label need to be incorporated?

Why is the bottom layer of a trophic pyrimid the