The power goes out and the only light source you have available is a chemical glow stick. As you sit in the dark with this tiny light source you think
about your lesson on endothermic and exothermic reactions. Do you think
this reaction would be classified as an endothermic or an exothermic reaction?
Be sure to state your evidence and reasoning for your answer.

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?

Sandy is building a small toy car. he wants to use a balloon to power the toy car. he fills a balloon with air and then attaches a straw to the balloon. he tapes the balloon-straw combination to the car and then releases the end of the balloon. the toy moves forward as the air from the balloon comes out the back of the straw. what can sandy do to make the toy car move faster? a) use less air in the balloon. b) blow up the balloon more. c) use a longer straw. d) use larger tires.

What can a drop of liquid mercury be described as?