Therefore, my hypothesis is that theconcentration of potassium iodide will be directly proportional to the rate of reaction. Register a new account Sign in Already have an account. otherwise the overall reaction time could be unreliable. Control variables, on top of those you mentioned, include the ib chemistry lab report rate of reaction use of catalysts. I would have to place exactly 50mL of sodium thiosulphate in ib chemistry lab report rate of reaction each vial. 4 - Strong and weak acids and bases 8. However, if the sodium thiosulphate was placed for too long, then when the hydrochloric acid was poured, the overall reaction was inconsistent with the other results. Or, it may be possible toand thus differences in timing would have change the ib chemistry lab report rate of reaction method to start the data collectionoccurred. This experiments aim is to find out, enthalpy change of a. Mass loss is simply putting your experiment on to a electric balance and record the mass which will decrease over time. 05M Figure 3: Data graph of spectrophotometer for different concentrations of KI Pg 6 of 10 7. Timing of adding KI: 5 seconds were It may be possible to improve this limitationwaited before addition of KI solution. My teachers are lab moderators and ib chemistry lab report rate of reaction they pretty much know their stuff. therefore there will be a ib chemistry lab report rate of reaction much higher chance of them hitting each other. 1 - Electrons in atoms Periodicity 3. This is becaus the rate is being averaged out over time, by taking the volume at 2 minutes, you are taking into account the flattening bit of the curve and thus the rate you get will not represent the initial rate. var smallDimensions, fullDimensions, initialDimensions, alternativeDimensions. 3 people like this Share this post Link to post Share on other sites carapereira Members 1 post Exams: May 2014 Posted March 11, 2014 Hey. Here are some steps to follow: Introduction First you should give the ib chemistry lab report rate of reaction aim of the investigation. 0 Table 4: Presented data on rate of reaction for different KI concentrations Pg 9 of 10 10. The collision theory is in all chemical reactions.
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