To determine the density of an irregularly shaped object, a student immersed the object in 22.2 mL of water in a graduated cylinder, causing the level of the water to rise to 37.8 ml. If the object had a mass of 22.4 g, what is the
density of the object?

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?

Maya wrote if you step to describe how carbon circulates between the atmosphere and living organisms

Concentrations expressed as a percent by mass are useful when the solute is a a. liquid b. gas c. solid