5. Avoid splashing water out of the cylinder, and shake gently to remove any air

Question

5. Avoid splashing water out of the cylinder, and shake gently to remove any air pockets. 6. Finish filling the cylinder to the 45-mL mark of the cylinder (like the (A)). Take a final buret reading. 7. Repeat the procedure for a total of three trials. PRE-LAB QUESTIONS (RESPOND ON A SEPARATE SHEET OF PAPER): The laboratory manual specifies two types of errors in measurements based on the cause of the error. What are these categories? Briefly describe each kind and provide examples. 1. 2. What is meant by the terms (a) accuracy and (b) precision? Define and provide examples. 3. Define the term absolute uncertainty. Give an example (not from the above reading). 4. Give a definition and an example of relative uncertainty (not from the above reading). 5. Define density and discuss what it means for this property to be an intrinsic property of a material. Look up (and record in your laboratory notebook) the literature values for the densities cf aluminum, lead, and steel. Include your reference. 6. Be sure to get the report from the course website and complete all sections.

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5. Avoid splashing water out of the cylinder, and shake gently to remove any air

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