reaction rate: thiosulfate & acid
visitors this year: 796 Rates: Thiosulfate and acid Sodium thiosulfate and acid react to form a precipitate. The light sensor can be used, like a colorimeter, to monitor the rate of the reaction. In...
Tagged: colorimeter
investigating the enzyme amylase
visitors this year: 153 Amylase catalyses the breakdown of starch into sugar. How is the activity of this enzyme affected by temperature? You can start to find out by monitoring the activity at different...
measuring visible change in liquids
visitors this year: 205 Measuring the appearance of cloudy sulfur when we mix acid and sodium thiosulfate is a popular science teaching activity. We can change the temperature or concentration of the reagents, and...
light sensor & colorimeter
visitors this year: 185 Often used elaborately to produce a makeshift colorimeter, the light is very useful for many biology and chemistry experiments on rates of reactions. As monochromatic light is less important with...
