Problems, Problems, Problems

Problem #1:
A 2.200g sample of quinone is burned in a bomb calorimeter whose total heat capacity is 7.854 kJ/degree C. The temperature in the calorimeter increases from 23.0 degrees C to 30.57 degrees C. What is the heat of combustion per gram of quinine? What is the heat of combustion per mole?


Problem #2:
A 1900kg car experiences a combined force of air resistance and friction that has the same magnitude whether the car goes up or down a hill at 27 meters per second. Going up a hill, the car's engine needs to produce 47 hp more power to sustain the constant velocity as it does going down the same hill. At what angle is the hill inclined above the horizontal?


Problem #3:
a) What are the reactants and products of Glycolysis, Krebs Cycle, and Oxidative Phosphorylation?
b) Where do the NADH and FADH that enter Oxidative Phosphorylation come from?
c) How many ATP molecules will be produced from one NADH during Oxidative Phosphorylation?
d) Using your answers for a-c, now trace the path of a single electron from the event at P680 through Photosynthesis and Cellular Respiration to its final resting place on the ________ molecule.