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Chemistry · Studypool

chemistry work

Please avoid Plagiarism and make sure when writing the report you follow the rubric given below.UPLOAD Density Report
  • Due Friday by 11:59pm
  • Points 50
  • Submitting a file upload
  • Available Feb 7 at 12am - May 5 at 11:59pm

Accepted file formats:

  • .pdf
  • .docx

Unaccepted file formats:

  • .odt
  • .rtf
  • .txt
  • .pptx
  • Xlsx

Review your report after you upload it to make sure that it looks the way you want it to look.

Items expected in your report:

  1. A header must be included with your name, your lab partner's name, the date the experiment was performed, and a lab title.
  2. It should give a brief description of the importance of the experiment and procedures. Essentially this is an objective. What was the point of the experiment?
  3. It should include any changes to the procedure not included in the lab notebook. Otherwise, students must write "Procedures followed as written in the lab notebook."
  4. It should include any tables and graphs (appropriately labeled) and a one-sentence description of what the figure is showing.
  5. It should include a brief analysis of the results. The analysis should describe any trends exhibited in the data, what the data shows/indicates/proves, and anything you find noteworthy to the experiment performed.
  6. It should include typed sample calculations for the results. Photos of hand-written calculations are NOT ACCEPTABLE.
  7. It should include the discussion questions for each experiment. The answers are required but do not add the actual discussion questions. Answer all parts of the questions in complete sentences and paragraph form. NO bulleting or numbering is acceptable.

Formatting expected in your report:

  1. The header should be on the top left corner of the first page of the report.
  2. All tables must be labeled ABOVE the table. Under each table, provide a one-sentence description of what the table is showing the reader.
  3. Any figure or graph must be labeled UNDER the figure or graph. Following the figure/graph label, provide a one-sentence description of what it is showing the reader.
  4. Analysis should be a separately labeled section.
  5. You must use either 12-point Times New Roman font or 11-point Arial font.
  6. You must double-space.
  7. The text of the report must be justified.
  8. Standard 1-inch margins.
  9. Must be writing in the third person (i.e., no I, you, we, etc.) and past tense.
  10. Everything must be typed in complete sentences and paragraph form. Bulleting or numbering is NOT ACCEPTABLE.

Academic honesty is important. Remember:

  • Everything you write should be your own original work.
  • Do not copy another student’s lab report.
  • Do not copy a lab report that you wrote during a previous semester.
  • Do not copy information from the Internet, the lab procedure, or another source.
  • Changing a few words from a source is still copying.

It is easy for your lab instructor to detect plagiarism. We do not grade plagiarized assignments. In addition, the Dean of Students requires any student committing plagiarism to complete an online review of academic honesty. The Dean of Students will put a hold on a student's account until that online review is completed.

Your lab instructor will grade your report and post your grade before your next lab report is due.

  • File Upload
  • FlatWorld
  • Google Drive (LTI 1.3)
  • Google Drive
  • Office 365

Rubric

Density Report Rubric

Density Report Rubric

CriteriaRatingsPts

This criterion is linked to a Learning OutcomeFormattingFollows report guidelines (justified text, double-spaced, 1-inch margins, single font/color/size).

3 pts

Full Marks

The student followed all formatting guidelines.

1.5 pts

Half Marks

The student did not follow one or two formatting guidelines.

0 pts

No Marks

The student did not follow formatting guidelines. The student did not follow three or more formatting guidelines.

3 pts

This criterion is linked to a Learning OutcomeProseThe report is written in prose or paragraph form (i.e., no bulleted lists and no numbered lists).

1 pts

Full Marks

The report was written entirely in prose.

0.5 pts

Half Marks

The report contains some prose and some lists.

0 pts

No Marks

No prose or paragraphs.

1 pts

This criterion is linked to a Learning OutcomeGrammarCorrect English grammar, spelling, and use of the third person (i.e., no I, you, we, etc.)

1 pts

Full Marks

No more than 5 typos or grammatical errors. The student uses the third person.

0.5 pts

Half Marks

No more than 10 typos or grammatical errors. Some use of personal pronouns.

0 pts

No Marks

Barely readable.

1 pts

This criterion is linked to a Learning OutcomeHeaderFollows header guidelines (student name, lab partner(s) name, date the experiment was performed, lab title).

2 pts

Full Marks

All header guidelines were followed.

1 pts

Half Marks

The students did not follow one or two header guidelines were not followed.

0 pts

No Marks

The student did not follow header guidelines. The student did not follow three or more header guidelines.

2 pts

This criterion is linked to a Learning OutcomeObjectivesThe objective is a brief description of the purpose of the experiment.

2 pts

Full Marks

The student understands what the experiment was about and why they did it.

1 pts

Half Marks

The student does not quite show understanding of the experiment.

0 pts

No Marks

No objective included. The objective does not make sense.

2 pts

This criterion is linked to a Learning OutcomeProceduresWrites procedures were followed as written in the lab notebook.

1 pts

Full Marks

Includes standard entry unless significant changes were made.

0.5 pts

Half Marks

The student includes insignificant changes.

0 pts

No Marks

Includes a detailed procedure or does not include this section at all.

1 pts

This criterion is linked to a Learning OutcomeData & ResultsTypes up all of the tables and data collected in the Lab. Includes figures.

7 pts

Full Marks

Tables are appropriately labeled (each correctly identified, appropriate title, and units are included), and data is complete. Required figures are also included.

3.5 pts

Half Marks

Data doesn't match the Lab notebook. Tables are presented incorrectly or not adequately labeled. Data makes no sense, etc.

0 pts

No Marks

A picture or image of the data sheet or notes taken is given as data results (i.e., screenshots of the Benchling lab notebook). You are missing most or all data and results.

7 pts

This criterion is linked to a Learning OutcomeCalculationsThis section includes typed examples of all designated calculations.

5 pts

Full Marks

Includes a typed example of all calculations performed. Units are included.

2.5 pts

Half Marks

Some calculations are missing, OR units are missing.

0 pts

No Marks

A picture or image of the data sheet or notes taken is given as calculations OR none included.

5 pts

This criterion is linked to a Learning OutcomeAnalysisBrief but thorough explanation of results, trends, and what they mean.

8 pts

Full Marks

Includes a separately labeled section with an explanation of results, trends, and what they mean.

4 pts

Half Marks

Some trends are explained or missing or inadequate explanation.

0 pts

No Marks

No analysis included. The student writes procedure as analysis.

8 pts

This criterion is linked to a Learning OutcomeDiscussion Question 1Which method of measurement would be more accurate to calculate the density of an object? Caliper/balance or volume based on the displacement of water? Why? What about irregularly shaped objects?

5 pts

Full Marks

Explains which method is better and why.

2.5 pts

Half Marks

Explains the correct methods for the shapes but does not explain why.

0 pts

No Marks

No answer included, or answer does not make sense.

5 pts

This criterion is linked to a Learning OutcomeDiscussion Question 2What is the definition of an alloy? Which metal(s) measured is (are) an alloy metal material.

5 pts

Full Marks

Gives the definition of an alloy and states which metals were alloys.

2.5 pts

Half Marks

Does not state definition of an alloy but states what metals were alloys. OR states definition of an alloy but does not state which metals were alloys.

0 pts

No Marks

No answer included, or answer does not make sense.

5 pts

This criterion is linked to a Learning OutcomeDiscussion Question 3Sam needs 20 g of hydrochloric acid (HCl). The density of hydrochloric acid is 1.164 g/mL. Find the volume of hydrochloric acid they need.

5 pts

Full Marks

Shows complete calculation.

2.5 pts

Half Marks

States answer but does not show work.

0 pts

No Marks

No answer included, or answer does not make sense.

5 pts

This criterion is linked to a Learning OutcomeDiscussion Question 4A metal bar has a density of 15.9g/mL what is the density in kg/L?

5 pts

Full Marks

Shows complete calculation.

2.5 pts

Half Marks

States answer but does not show work.

0 pts

No Marks

No answer included, or answer does not make sense.

5 pts

Total Points: 50

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