Lab Exam 2 - Requires Respondus LockDown Browser + Webcam Instructions

Lab Exam 2 - Requires Respondus
LockDown Browser + Webcam
Instructions
Please read the following before beginning the exam:

• You must show your work for calculations or give an explanation for short answer
questions in order to receive credit.

• You may only use the methods and explanations provided by this course for your
answers.

• You MUST use the Periodic Table provided by the course.
• The use of printed versions of the Periodic Table and will be considered a violation of
the Academic Integrity Policy.

• Your lab notebook and/or lab report should be used when taking the exam. You may
either print it out or use handwritten notes. You must show both sides of your lab
notebook and/or lab report during the room scan. If you fail to show your lab
notebook or lab report, but it is clear you are using some form of notes, it will be
considered a violation of the Academic Integrity Policy.

• During lab exams you may not use any outside source of information such as the
module, problem sets, Internet, tutor, etc., with the exception of your lab
notebook/report mentioned above.

• You may only copy and paste from within the exam itself or from the provided
calculator but not from an outside source.

• The only items you should have in front of you are the exam itself, 1-2 pieces of
blank scratch paper, a pen/pencil, a calculator (non-cell phone), and your lab
notebook/report.


Attempt History
Attempt Time Score

LATEST Attempt 1 57 minutes 0 out of 30 *

* Some questions not yet graded

Score for this quiz: 0 out of 30 *

, Submitted Mar 4 at 12:32pm ZI ZI ZI ZI ZI



This attempt took 57 minutes.
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Question 1
Not yet graded / 10 pts
Scientific Calculator ZI




1. Density is how [answer1] are the particles of a material.
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2. Gases have a [answer2] density than liquids.
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3. Volume is measured in the unit of [answer3] . ZI ZI ZI ZI ZI ZI ZI ZI




4. Accuracy is the agreement of measurement with the [answer4] . ZI ZI ZI ZI ZI ZI ZI ZI ZI




5. The volume of a cylinder is [answer5] .
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Your Answer: ZI




1. close together.
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2.lower density ZI




3. milliliters.
4.accepted value of the quantity. ZI ZI ZI ZI




5. This is the final volume minus the initial volume which gives the cylinder volume.
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Correct answers below ZI ZI




1. closely packed ZI




2. lower
3. ml (or cm3) ZI ZI




4. accepted value ZI




5. Πr2l




Question 2
Not yet graded / 10 pts
Scientific Calculator ZI




Do density and percent error calculations to 2nd decimal place.
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Density measurements were conducted on a 21.8 oC sample of water which had a theor
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etical density of 0.997815 g/ml. A volume of 10.00 ml of the water had a mass of
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