reaction rate: thiosulfate & acid
visitors this year: 1,233Rates: 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 this...
Tagged: colorimeter
investigating the enzyme amylase
visitors this year: 357Amylase 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 temperatures....
measuring visible change in liquids
visitors this year: 372Measuring 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 see...
light sensor & colorimeter
visitors this year: 304Often 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 turbid...
