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BIO110 Unit V Non Majors Biology Article Review
This unit is about ecology, the study of the interaction between living species. As we discussed in the unit lesson, all s ...
BIO110 Unit V Non Majors Biology Article Review
This unit is about ecology, the study of the interaction between living species. As we discussed in the unit lesson, all species are dependent on one another—even trees need birds to eat the insects that want to devour the trees. Some trees, like oaks, need squirrels to plant their acorns. Consequently, when you study a species in the Red List for this assignment, be aware that somewhere along the line, this species is important.
Collin County Community College Acids Bases and PH Report Sheet Biology Lab
Download the report sheet, complete it, and then submit it via Blackboard email as an attachment.Do not change the format. ...
Collin County Community College Acids Bases and PH Report Sheet Biology Lab
Download the report sheet, complete it, and then submit it via Blackboard email as an attachment.Do not change the format. All blue shaded areas require answers. I.Using indicators to measure pH Experiment (at home lab) Making a set of standards (5 ml solution + 5 ml cabbage extract) pH substance color 2 lemon juice 3 vinegar 5(optional) rainwater 7 tap water 11.5 ammonia or soapy water Determining the pH of some solutions (5 ml unknown + 3 ml cabbage extract) Unknowns estimate pH value (not color) 7up® grapefruit juice bleach II.The pH Meter and pH paper Experiment (dry lab) Measuring pH using a pH meter and pH paper. Solution pH meter pH paper (estimate pH value not color) distilled water apple juice vinegar carbonated soft drink coffee detergent water milk Which solution is most acidic? Which solution is most basic? Which measurement is more accurate, pH meter or pH paper? III.Buffers Experiment (dry lab) Determine the buffering capacity of a solution. pH of Solution A 0 ml 1ml 2ml 3ml 4ml 5ml 6ml 7ml 8ml 9ml 10ml HCl NaOH pH of Solution B 0 ml 1ml 2ml 3ml 4ml 5ml 6ml 7ml 8ml 9ml 10ml HCl NaOH Plot both A and B solutions, A in red and B in blue. (This can be done using Microsoft insert shapes or manually graph, scan and embed image into your report). Which is the better-buffered solution, A or B? The better-buffed solution will resist a change in pH. IV.How Effective are Stomach Antacids? Experiment (dry lab) Neutralization capacity of antacids Flasks Initial pH Final pH control Rolaids Alka-Seltzer Tums Which antacid neutralized the most acid? Questions 1. Would you have been able to determine the pH of the three unknowns using the cabbage juice if you had not made your standards (the test tubes containing each of the buffers and the cabbage juice)? Yes or no. 2. Suppose that you were given a sample that had a pH of 6.5 but you were unaware of the pH. a. Can you perceive a problem that would arise if you attempted to determine the pH of this sample using either anthocyanins or pH paper? b. What about using a pH meter? 3. a. Is the use of anthocyanins qualitative or quantitative? b. is the use of a pH meter qualitative or quantitative? 4. Which measurement would you consider to be a most reliable measurement; anthocyanins, pH paper or pH meter? End of Lab J
Arizona State University Thermo Chemistry Question Sheet
Read the thermochemistry pdf and watch a video https://drive.google.com/drive/folders/1RklffA8CgI..., based on those pleas ...
Arizona State University Thermo Chemistry Question Sheet
Read the thermochemistry pdf and watch a video https://drive.google.com/drive/folders/1RklffA8CgI..., based on those please do ur best complete the pre lab and question sheet question, remember each question should show the solution-process
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Distance education enables students to globally access education at a college or university level without attending a clas ...
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Distance education enables students to globally access education at a college or university level without attending a class physically. It therefore ...
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Physics is considered the queen of 20th-century sciences, and it is rightly so because during that century there were two ...
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Physics is considered the queen of 20th-century sciences, and it is rightly so because during that century there were two revolutions that drastically ...
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Most Popular Content
BIO110 Unit V Non Majors Biology Article Review
This unit is about ecology, the study of the interaction between living species. As we discussed in the unit lesson, all s ...
BIO110 Unit V Non Majors Biology Article Review
This unit is about ecology, the study of the interaction between living species. As we discussed in the unit lesson, all species are dependent on one another—even trees need birds to eat the insects that want to devour the trees. Some trees, like oaks, need squirrels to plant their acorns. Consequently, when you study a species in the Red List for this assignment, be aware that somewhere along the line, this species is important.
Collin County Community College Acids Bases and PH Report Sheet Biology Lab
Download the report sheet, complete it, and then submit it via Blackboard email as an attachment.Do not change the format. ...
Collin County Community College Acids Bases and PH Report Sheet Biology Lab
Download the report sheet, complete it, and then submit it via Blackboard email as an attachment.Do not change the format. All blue shaded areas require answers. I.Using indicators to measure pH Experiment (at home lab) Making a set of standards (5 ml solution + 5 ml cabbage extract) pH substance color 2 lemon juice 3 vinegar 5(optional) rainwater 7 tap water 11.5 ammonia or soapy water Determining the pH of some solutions (5 ml unknown + 3 ml cabbage extract) Unknowns estimate pH value (not color) 7up® grapefruit juice bleach II.The pH Meter and pH paper Experiment (dry lab) Measuring pH using a pH meter and pH paper. Solution pH meter pH paper (estimate pH value not color) distilled water apple juice vinegar carbonated soft drink coffee detergent water milk Which solution is most acidic? Which solution is most basic? Which measurement is more accurate, pH meter or pH paper? III.Buffers Experiment (dry lab) Determine the buffering capacity of a solution. pH of Solution A 0 ml 1ml 2ml 3ml 4ml 5ml 6ml 7ml 8ml 9ml 10ml HCl NaOH pH of Solution B 0 ml 1ml 2ml 3ml 4ml 5ml 6ml 7ml 8ml 9ml 10ml HCl NaOH Plot both A and B solutions, A in red and B in blue. (This can be done using Microsoft insert shapes or manually graph, scan and embed image into your report). Which is the better-buffered solution, A or B? The better-buffed solution will resist a change in pH. IV.How Effective are Stomach Antacids? Experiment (dry lab) Neutralization capacity of antacids Flasks Initial pH Final pH control Rolaids Alka-Seltzer Tums Which antacid neutralized the most acid? Questions 1. Would you have been able to determine the pH of the three unknowns using the cabbage juice if you had not made your standards (the test tubes containing each of the buffers and the cabbage juice)? Yes or no. 2. Suppose that you were given a sample that had a pH of 6.5 but you were unaware of the pH. a. Can you perceive a problem that would arise if you attempted to determine the pH of this sample using either anthocyanins or pH paper? b. What about using a pH meter? 3. a. Is the use of anthocyanins qualitative or quantitative? b. is the use of a pH meter qualitative or quantitative? 4. Which measurement would you consider to be a most reliable measurement; anthocyanins, pH paper or pH meter? End of Lab J
Arizona State University Thermo Chemistry Question Sheet
Read the thermochemistry pdf and watch a video https://drive.google.com/drive/folders/1RklffA8CgI..., based on those pleas ...
Arizona State University Thermo Chemistry Question Sheet
Read the thermochemistry pdf and watch a video https://drive.google.com/drive/folders/1RklffA8CgI..., based on those please do ur best complete the pre lab and question sheet question, remember each question should show the solution-process
4 pages
Distance Learning
Distance education enables students to globally access education at a college or university level without attending a clas ...
Distance Learning
Distance education enables students to globally access education at a college or university level without attending a class physically. It therefore ...
10 pages
Nuclear Weapons
Physics is considered the queen of 20th-century sciences, and it is rightly so because during that century there were two ...
Nuclear Weapons
Physics is considered the queen of 20th-century sciences, and it is rightly so because during that century there were two revolutions that drastically ...
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