LAB REPORT WRITEUP FORMAT

Please use APA style for the labs, footnotes and bibliography included.

TITLE: The given lab title with the SEQUENTIAL LAB NUMBER FOR YOUR CLASS SECTION.

ABSTRACT: A brief summary of thelab. A few sentences about what you tried to prove or test (purpose). A few sentences on what you did, and the results. A few sentences on the outcome, clearly stating if observed in the lab. The abstract should be one paragraph that is as short as feasible.

INTRODUCTION: Discuss the relevant facts that are tested in this lab. You will be given a description of the theories or phenomena to discuss for each lab. In this section you should always write any reactions, define any terms and discuss any equations.

EXPERIMENTAL DESIGN: This is the most important part of the lab; it should familiarize you with chemical technique and procedures. You will soon be asked to design your own procedures for future labs. You must also be able to analyze data and lab procedure on exam questions. For each step of the lab method, you should indicate what data was provided or why that procedure step was executed.

DATA and OBSERVATIONS: Present your data and observations in a neat and efficient form. Use tables and graphs whenever appropriate. Be certain to include the proper units for each number.

CALCULAATIONS: You MUST calculate the theoretical yield (using equations and theories) in calculations part A (theoretical) AND the experimental yield in calculations part B (experimental).

In labs with calculations, please do the following:

  1. First write the relevant equation in a box, identify the variables and constants.
  2. Show the substitution of numbers into the variables.
  3. For complex multi-step calculations, you MUST show a flowchart (concept map).
  4. Show the cancelling of all units, I recommend factor label method.
  5. Show your answer labeled in words, with units and chemical formulas and boxed.
  6. Do NOT ROUND INTERMEDIATE NUMBERS DURING YOUR CALCULATION. ROUND ONLY THE FINAL ANSWER.

ERROR ANALYSIS:

  1. Present the THEOREWTICAL YIELD.
  2. Present the EXPERIMENTAL YIELD.
  3. Calculate % error and or % yield.

CONCLUSION:

  1. Discuss your error and assess the success of your lab, did you prove the theory or did you achieve the % yield experimentally that you calculated theoretically. Discuss error sources and any problems that may have affected your results.