A 23.0 g sample of metal is heated to 100.0°C. A calorimeter contains 75.0 ml of water at 18.5°C. When the sample is added to the calorimeter, the sample and water reach thermal equilibrium at 21.1°C. What is the identity of the metal? A) Mn
B) V
C) Fe
D) N

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?