2tio2 + 4cl2 + 3c ——> co2 + 2ticl4. how many moles of chlorine cl2 will react with 4.5 moles of carbon c? a. 3.4 mol b. 6.8 mol c. 6.0 mol d. 0.67 mol

Which statement is true about a catalyst? a: a catalyst decreases the rate of the reaction. b. a catalyst is consumed during a chemical reaction. c. a catalyst lowers the activation energy of a reaction. d. a catalyst increases the reactant concentration during a reaction.

How might this scientific phenomena be explained? a paper clip floats on water.

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?