effect of temp on diffusion agar experiment

emily97
Flashcards by emily97, updated more than 1 year ago
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Biology year 9 Flashcards on effect of temp on diffusion agar experiment, created by emily97 on 06/03/2013.

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Question Answer
describe equipment used for an experiment to investigate the effect of temperature on the rate of diffusion using agar blocks containing an indicator 10mm3 of agar x3, water baths set at different temps, test tubes, 2M HCl acid, syringe, stopwatch, labels
what is the control for the agar temp investigation experiment? agar cube at room temp
what is the control for the agar temp investigation experiment? agar cube at room temp
step 1 put the agar blocks in each test tube and pour in 10cm3 HCl acid into each
step 2 place one in water bath and start stopwatch and time how long the pink takes to disappear and for each block to turn completely colourless
step 3 take average after repeating experiment 2 more times
what will you change the temp of the water baths
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