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This assignment answers the following questions -
1) Define the standard heat of combustion.
(2) Write the equations for aerobic and anaerobic respiration, stating the enthalpy for each reaction.
(3) Describe how you might measure the enthalpy of combustion for ethanol in the laboratory?
(4) With reference to the activity of catalysts, explain what is meant by the term activation energy.
(5) Describe how the rate of a reaction can be affected by each of the following: concentration, surface area, temperature, and catalyst.
(6) An experiment is set up to determine the affect of pH on enzyme activity. The enzyme amylase is tested at pH 3, pH 7 and pH 11. Predict with a brief explanation the results you would expect to find.
(7) Explain what is meant by the term dynamic equilibrium.
(8) what is meant by the terms pressure and partial pressure?
(9) Explain how knowledge of Henry's and Dalton's Laws can help divers avoid decompression sickness.
(10) The diagram shows a visking tubing experiment involving sucrose solutions of different concentrations
(11) Investigate practically diffusion involving glucose solutions
(12) Explain the vital role that diffusion and osmosis play in peritoneal dialysis