Wednesday, April 20, 2011

IB Biology and IB Chemistry on Enzyme and Kinetics Experiment for IA

IA, using Oxygen, Conductivity and Temp Sensor
Research Question with Pressure Sensor
How will changing concentration of hydrogen peroxide affect the rate of reaction in a reaction using enzyme catalase .
( PARTIAL )


How will changing  hydrogen peroxide conc affect the pressure change due to the released of oxygen gas catalased by enzyme catalase measured using a pressure sensor 
(Complete ) 
Research Question with Conductivity Sensor.......
How will changing sodium chloride conc in a Visking Tubing  affect the rate of diffusion
(Partial )


How will changing sodium chloride conc in a Visking Tubing affect the rate of conductivity change due to the diffusion of sodium ions out from Tubing measured with a conductivity sensor 
(Complete )

Research Question with Temperature Sensor
How will changing  types of alcohol from methanol to pentanol affect the rate of its evaporation.
(Partial)


How will changing molar mass of alcohol from methanol to pentanol affect its rate of evaporation due to drop in temperature measured using a temperature sensor. 
(Complete )


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