The magnetic strips on credit cards can become demagnetize what type of magnet are they

In the space, show a correct numerical setup for calculating the number of moles of co2 present in 11 grams of co2

Which property of water causes water drops to bead on a freshly waxed car?

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?