5 CO2 + 6 H2O --> C5H12 + 8 O2 A student begins this reaction with 5.0 moles of CO2 and 5.5 moles of H2O . Which is the excess reactant in the reaction?

2points what is the job of a scientist? a. to answer ethical questions. b. to write laws based on his or her knowledge. c. to ask and answer scientific questions. d. to ignore facts that do not support his or her theory.

11. phosphorus-32 is radioactive and has a half life of 14 days. how much of a 124 mg sample of phosphorus-32 is present after 56 days? a) 7.75 mg b) 15.5 mg c) 31.0 mg d) 62.0 mg

What human activity increases beach erosion?