Table 1: Variables Selected for this Experiment |Variables | | |Independent Variable | different concentration of lead treat | |Dependent Variable | transmission of light/arbitrary unit | |Control Variables |Temperature, same amount of amylase, same amount of pH event, | | | same amount of lead nitrate ! | Materials and Methods: The apparatus and materials unavoidable for this investigation are listed on a lower floor: 1. 6 boiling thermionic vacuum tubes 2. 6 test tubes 3. Test tube rack 4. Labels/markers pen 5. 1% starch solution resign 100 cm3 per recapitulate 6. Amylase solution 1%-allow 50 cm3 per double over 7. single solution- allow 10 cm3 per repeat 8. Distilled water -50 cm3 per repeat 9. 10 cm3 measuring cylinder 10. Stopwatch 11. colorimeter cuvettes 12. thermostatically controlled water bath 13. Sink 14. Access to...If you want to light a full essay, order it on our website: BestEssayCheap.com
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