Understanding Chemical Kinetics: Troubleshooting Common Questions in the Lab

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SUMMARY

This discussion focuses on troubleshooting common questions related to chemical kinetics in a laboratory setting. The primary issues addressed include determining the reaction order with respect to HCl and Sodium Thiosulfate, as well as understanding the inadequacy of rate values for calculating the rate constant (k). The participant has created a graph plotting Rate (1/time) against [HCl]0, indicating a methodical approach to analyzing reaction orders. The discussion emphasizes the importance of accurate data interpretation in kinetics experiments.

PREREQUISITES
  • Understanding of chemical reaction orders
  • Familiarity with rate laws and rate constants
  • Basic graphing skills for data analysis
  • Knowledge of the role of HCl and Sodium Thiosulfate in kinetics
NEXT STEPS
  • Study the method for determining reaction order using the method of initial rates
  • Learn how to calculate the rate constant (k) from experimental data
  • Explore the impact of concentration on reaction rates in chemical kinetics
  • Investigate common pitfalls in kinetics experiments and how to avoid them
USEFUL FOR

Chemistry students, laboratory technicians, and educators involved in chemical kinetics experiments who seek to enhance their understanding of reaction orders and data analysis techniques.

AC24
Messages
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I am having a problem with my kinetics lab. There are just three questions I can not understand.
1. Determine the order with respect to HCl. Explain.
2. Determine the order with respect to Sodium Thiosulfate. Explain.
3. Why rate values for this experiment not adequate to achieve an accurate value for k?

It was a lab with two tables, and the tables are here:
http://www.flickr.com/photos/49735742@N03/4564031555/sizes/o/"



No equations.. Just explaining.



I made a graph for problems 1 and 2, Rate (1/time) vs [HCl]0.. Am I going the right direction? What would I do after that? I have no idea for question 3.. I sincerely thank those that take the time to read and help. your help is greatly appreciated. Thank you!
 
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Please can someone help?
 

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