ZuoTi.Pro
Question

You have a large test tube in your drawer in lab. Its volume is 56.2 cubic...

You have a large test tube in your drawer in lab. Its volume is 56.2 cubic centimeters. You performed the volume measurement of the test tube and found it to be 54.4 cubic centimeters. What is the percentage error of your measurement?

science   chemistry   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

We have formula,

% error = ( experimental value - theoretical value / Theoretical value ) x 100

Hence, % error in measurement of volume of test tube = ( 54.4 cm 3 - 56.2 cm 3 / 56.2 cm 3 ) x 100

= - 3.20

ANSWER : % error in measurement of volume of test tube = - 3.20

0 0
Add a comment
Know the answer?
Add Answer to:
You have a large test tube in your drawer in lab. Its volume is 56.2 cubic...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions

  • if you have a test tube containing a certain volume of two different compounds in solid...

    if you have a test tube containing a certain volume of two different compounds in solid form which are then dissolved in a water bath how would you fijd the mole fractions for each test tube from weight percentage

  • You need to weigh your own large Pyrex test tube and know the empty mass, mass...

    You need to weigh your own large Pyrex test tube and know the empty mass, mass with KCIO3 mixture bet heating; mass with KCIO, mixture and catalyst and mass of all of the above after heating. To weigh the test tube, place it in an empty beaker to keep it upright. You may tare the weight of the bea you need to know the weight of the test tube for your calculations. Procedures: Weigh your clean, dry empty Pyrex test...

  • 1. Assume that you have solid NaCl and all the glassware in your lab drawer available...

    1. Assume that you have solid NaCl and all the glassware in your lab drawer available to you. What mass of sodium chloride would you need to prepare 10.0 mL of a 1.0 M NaCl(aq) solution. 2. Using the solution you prepared in #1, how many mL would you need to prepare a 2.5 mL 0.10 M NaCl solution?

  • Measurement and Accuracy Procedure Obtain 5 large test tubes (all the same size), a test tube...

    Measurement and Accuracy Procedure Obtain 5 large test tubes (all the same size), a test tube rack, 3 beakers of colored water A-C, and 3 graduated cylinders. With a Sharpie, label the tubes 1-5 Measure 25 mL of solution from beaker A (red) using a clean graduated cylinder. Pour into tube 1. Measure 28 mL of solution from beaker B (yellow) using a clean graduated cylinder. Pour into tube 3. Measure 22 mL of solution from beaker C (blue) using...

  • 1. An experiment is performed in the lab, where the mass and the volume of an...

    1. An experiment is performed in the lab, where the mass and the volume of an object are measured to determine its density. Two completely different valid methods are used. Each experimental method to measure the density is performed, two considerable sets of data are taken on each and the results are compared. The results of the density measurement by each method should be ... a. dependent on the mass and the volume of the object b. completely different, because...

  • For a chemistry lab about a saponification reaction, why would you test your soap using CLR...

    For a chemistry lab about a saponification reaction, why would you test your soap using CLR in the hard water reactions, shaking until you see a change? This is from the hard-water reaction section of the lab. Each test tube had dissolved natural soap in water. CLR was added to tube #1 with 5% CaCl2 added prior, tube #2 with 5% MgCl2 added prior, and into tube #3 with tap water added prior. Tube #1 turned white and layered Tube...

  • 14. Lab Exercise 5-1 is an interesting way to run these test tube experiments without oxygen...

    14. Lab Exercise 5-1 is an interesting way to run these test tube experiments without oxygen - seal the tube with a layer of clear mineral oil on top (see the figure in the manual). Based on this figure and the Table of Results for this experiment, if the sealed tube is all green or slightly blue but the unsealed tube has any amount of yellow, what type of energy metabolism does that organism have? a. Oxidative only b. Oxidative...

  • The actual concentration of the stock [Fe(NO3)3] solution you will use in lab will be posted...

    The actual concentration of the stock [Fe(NO3)3] solution you will use in lab will be posted on D2L. Be sure to record the concentration value matching YOUR lab room and use it in your laboratory worksheet! Consider test tube #5 that you will prepare in Part 1 of the laboratory (Table A). If your  dilute solution of Fe(NO3)3 had a concentration of 0.00087 M, predict the initial concentration of the Fe3+ ions, [Fe3+]0 in test tube #5, once you have added...

  • 18. You have carried out the ferric chloride test as part of one of your lab...

    18. You have carried out the ferric chloride test as part of one of your lab experiment. (a) What functional group(s) does it test for the presence of? (b) What is the reaction that occurs if that functional group is present? (c) What are strong choices for positive and negative controls? (d) What does a positive/negative test result look like? (e) Keeping in mind what sort of claim this test allows you to make, what do your results say about...

  • Post-lab question Part A 1. Metallic sodium forms a body centered cubic crystal. Why would the...

    Post-lab question Part A 1. Metallic sodium forms a body centered cubic crystal. Why would the water displacement method used in part A not be suitable to determine the density of sodium? (Hint: watch the following video to help you answer this question: https://www.youtube.com/watch?v=18tOtZKpi04) 2. Calculate the density of sodium. (The radius of a sodium atom is 186pm) Post-lab Question Part B: Consider cubic array iodide ions (r =220pm) in which the anions are touching along the face of the...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT