{"id":2070,"date":"2020-10-29T13:20:23","date_gmt":"2020-10-29T13:20:23","guid":{"rendered":"http:\/\/onlineclassesguru.com\/?p=2070"},"modified":"2020-10-29T13:20:23","modified_gmt":"2020-10-29T13:20:23","slug":"lab-report-2","status":"publish","type":"post","link":"https:\/\/onlineclassesguru.com\/index.php\/2020\/10\/29\/lab-report-2\/","title":{"rendered":"Lab report"},"content":{"rendered":"<style type=\"text\/css\"><\/style><p><b>Water, pH, and Buffers<\/b><\/p>\n<p><b>Hands-on labs, inc. Version 42-0136-00-01<\/b><\/p>\n<p>&nbsp;<\/p>\n<p><b>Lab Report<\/b><\/p>\n<p>&nbsp;<\/p>\n<p><b>PHOTOS \u2013\u00a0<\/b>Include two digital photos with your lab report, either as separate attachments to an e-mail or paste into your document.<\/p>\n<p>1. Photo #1 \u2013 Take a photo of the celery after it has been sitting for at least 4 hours.<\/p>\n<p>Get close enough to see the results<\/p>\n<p>&nbsp;<\/p>\n<p>2. Photo #2 \u2013 Take a photo of the HORIZONTAL needle observation.<\/p>\n<p>Be sure you are close enough to see the needle and how it is relative to the water.<\/p>\n<p>&nbsp;<\/p>\n<p>3. Photo #3 \u2013 Take a photo of your test results \u2013<\/p>\n<p>the layout of the commercial and homemade pH papers side by side<\/p>\n<p>after dipping into each well. \u2013It matches table #5<\/p>\n<p>(This is the paper towel with the 12 numbers on it, with the papers beside the well #.)<\/p>\n<p>&nbsp;<\/p>\n<p><b>Exercise 1: Water and its Unique Properties<\/b><\/p>\n<p><b>Part I<\/b><\/p>\n<p>&nbsp;<\/p>\n<table>\n<tbody>\n<tr>\n<td>&nbsp;<\/p>\n<p>Data Table 1: Needle Observations<\/td>\n<\/tr>\n<tr>\n<td><b>Vertical:<\/b><\/td>\n<td><b>Horizontal:<\/b><\/td>\n<\/tr>\n<tr>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><b>Part ii<\/b><\/p>\n<p>&nbsp;<\/p>\n<table>\n<tbody>\n<tr>\n<td>&nbsp;<\/p>\n<p>Data Table 2: Paper Clips Needed to Break Surface Tension<\/td>\n<\/tr>\n<tr>\n<td><b>Hypothesis:<\/b><\/td>\n<td><b>Result:<\/b><\/td>\n<\/tr>\n<tr>\n<td>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>Paper clips<\/td>\n<td>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>Paper clips<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><b>Experiment<\/b><\/p>\n<p><b>Water, ph, and Buffers<\/b><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><b>96<\/b><\/p>\n<p><b>\u00a9Hands-On Labs, Inc.<\/b><\/p>\n<p><b>www.LabPaq.com<\/b><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><b>Part iii<\/b><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<table>\n<tbody>\n<tr>\n<td>&nbsp;<\/p>\n<p>Data Table 3: Drops of Water<\/td>\n<\/tr>\n<tr>\n<td><b>Hypothesis:<\/b><\/td>\n<td><b>Result:<\/b><\/td>\n<\/tr>\n<tr>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><b>Questions for parts i, ii, iii<\/b><\/p>\n<p>&nbsp;<\/p>\n<p>A. How did the experiment in Part I demonstrate surface tension? Use your experiment<\/p>\n<p>observations when answering this question.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>B. In Part I, when adding the needle to the water, which approach worked best to balance the<\/p>\n<p>needle on the water\u2014the vertical or horizontal placement? Explain your answer.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><b>Part iV<\/b><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>Data Table 4: Part IV Observations<\/p>\n<p>&nbsp;<\/p>\n<p><b>Observations:<\/b><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><b>Question for part IV<\/b><\/p>\n<p>&nbsp;<\/p>\n<p>A. How did this activity demonstrate capillary action? Explain your answer using your experiment results and observations.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><b>Exercise 3: Testing Common Household Materials<\/b><\/p>\n<p><b>for pH Values<\/b><\/p>\n<p>&nbsp;<\/p>\n<p><b>Observations<\/b><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<table>\n<tbody>\n<tr>\n<td>&nbsp;<\/p>\n<p>Data Table 5: pH Observations<\/td>\n<\/tr>\n<tr>\n<td>&nbsp;<\/p>\n<p><b>Well<\/b><\/p>\n<p>&nbsp;<\/p>\n<p><b>Plate<\/b><\/td>\n<td>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><b>item tested<\/b><\/td>\n<td><b>Commercial<\/b><\/p>\n<p>&nbsp;<\/p>\n<p><b>pH strip<\/b><\/td>\n<td><b>Homemade<\/b><\/p>\n<p>&nbsp;<\/p>\n<p><b>pH strip<\/b><\/td>\n<\/tr>\n<tr>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td><b>Color<\/b><\/td>\n<td><b>pH<\/b><\/td>\n<td><b>Color<\/b><\/td>\n<td><b>pH<\/b><\/td>\n<\/tr>\n<tr>\n<td>&nbsp;<\/p>\n<p><b>1<\/b><\/td>\n<td>HCl<\/p>\n<p>(hydrochloric acid)<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td>&nbsp;<\/p>\n<p><b>2<\/b><\/td>\n<td>NaOH<\/p>\n<p>(sodium hydroxide)<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td>&nbsp;<\/p>\n<p><b>3<\/b><\/td>\n<td>&nbsp;<\/p>\n<p>Distilled water<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td>&nbsp;<\/p>\n<p><b>4<\/b><\/td>\n<td>Lemon juice<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td>&nbsp;<\/p>\n<p><b>5<\/b><\/td>\n<td>Orange juice<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td>&nbsp;<\/p>\n<p><b>6<\/b><\/td>\n<td>Coca cola<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td>&nbsp;<\/p>\n<p><b>7<\/b><\/td>\n<td><a rel=\"nofollow\" name=\"_GoBack\"><\/a><\/p>\n<p><a rel=\"nofollow\" name=\"_GoBack\"><\/a><\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td>&nbsp;<\/p>\n<p><b>8<\/b><\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td>&nbsp;<\/p>\n<p><b>9<\/b><\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td>&nbsp;<\/p>\n<p><b>10<\/b><\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td>&nbsp;<\/p>\n<p><b>11<\/b><\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td>&nbsp;<\/p>\n<p><b>12<\/b><\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<table>\n<tbody>\n<tr>\n<td>&nbsp;<\/p>\n<p>Data Table 6: Analysis of Results<\/td>\n<\/tr>\n<tr>\n<td>&nbsp;<\/p>\n<p><b>Well plate<\/b><\/td>\n<td>&nbsp;<\/p>\n<p><b>item tested<\/b><\/td>\n<td><b>Acid\/B ase\/ Neutral?<\/b><\/td>\n<td>&nbsp;<\/p>\n<p><b>Explanation:<\/b><\/td>\n<\/tr>\n<tr>\n<td>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><b>1<\/b><\/td>\n<td>&nbsp;<\/p>\n<p>HCl (hydrochloric acid)<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><b>2<\/b><\/td>\n<td>NaOH (sodium hydroxide)<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><b>3<\/b><\/td>\n<td>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>Distilled water<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><b>Questions:<\/b><\/p>\n<p>&nbsp;<\/p>\n<p>A. Compare and contrast the results between the commercial and homemade pH test strips. Which test strips were more accurate? Explain your answer.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>B. Why is the pH scale important in science? Give several examples of scientific applications.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>C. What information about a chemical can be inferred from knowing its pH value?<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>D. If a chemical has a pH of 3, how could you change its pH value to be more basic?<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><b>Exercise 4: Buffers in a Living System<\/b><\/p>\n<p>&nbsp;<\/p>\n<p><b>Observations<\/b><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<table>\n<tbody>\n<tr>\n<td>&nbsp;<\/p>\n<p>Data Table 7: pH Change of Buffered and Unbuffered Solutions<\/td>\n<\/tr>\n<tr>\n<td>&nbsp;<\/td>\n<td><b>Unbuffered solution<\/b><\/td>\n<td><b>Buffered solution<\/b><\/td>\n<\/tr>\n<tr>\n<td><b>Initial pH<\/b><\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td><b>+ 3 drops HCl<\/b><\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td><b>+ 6 drops HCl<\/b><\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td><b>+ 9 drops HCl<\/b><\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td><b>+ 12 drops<\/b><\/p>\n<p><b>HCl<\/b><\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td><b>+15 drops HCl<\/b><\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<tr>\n<td><b>+18 drops HCl<\/b><\/td>\n<td>&nbsp;<\/td>\n<td>&nbsp;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><b>Questions:<\/b><\/p>\n<p>&nbsp;<\/p>\n<p>A. Analyze the results of your experiment. Did the buffer resist changes in the pH? Explain your<\/p>\n<p>answer using your experiment results.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<div>\n<p>Ex<\/p>\n<p>p<\/p>\n<p>e<\/p>\n<p>ri<\/p>\n<p>m<\/p>\n<p>e<\/p>\n<p>n<\/p>\n<p>t<\/p>\n<p>&nbsp;<\/p>\n<p>W<\/p>\n<p>a<\/p>\n<p>t<\/p>\n<p>e<\/p>\n<p>r<\/p>\n<p>,<\/p>\n<p>&nbsp;<\/p>\n<p>p<\/p>\n<p>h<\/p>\n<p>,<\/p>\n<p>&nbsp;<\/p>\n<p>an<\/p>\n<p>d<\/p>\n<p>&nbsp;<\/p>\n<p>B<\/p>\n<p>u<\/p>\n<p>ff<\/p>\n<p>e<\/p>\n<p>r<\/p>\n<p>s<\/p>\n<p>&nbsp;<\/p>\n<p>96<\/p>\n<p>&nbsp;<\/p>\n<p>\u00a9<\/p>\n<p>H<\/p>\n<p>a<\/p>\n<p>nds<\/p>\n<p>&#8211;<\/p>\n<p>On<\/p>\n<p>&nbsp;<\/p>\n<p>L<\/p>\n<p>a<\/p>\n<p>bs,<\/p>\n<p>&nbsp;<\/p>\n<p>I<\/p>\n<p>n<\/p>\n<p>c<\/p>\n<p>.<\/p>\n<p>&nbsp;<\/p>\n<p>ww<\/p>\n<p>w<\/p>\n<p>.<\/p>\n<p>L<\/p>\n<p>a<\/p>\n<p>b<\/p>\n<p>P<\/p>\n<p>a<\/p>\n<p>q<\/p>\n<p>.<\/p>\n<p>c<\/p>\n<p>o<\/p>\n<p>m<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>W<\/p>\n<p>a<\/p>\n<p>t<\/p>\n<p>e<\/p>\n<p>r<\/p>\n<p>, pH, and Buf<\/p>\n<p>f<\/p>\n<p>e<\/p>\n<p>r<\/p>\n<p>s<\/p>\n<p>&nbsp;<\/p>\n<p>Hands<\/p>\n<p>&#8211;<\/p>\n<p>on<\/p>\n<p>&nbsp;<\/p>\n<p>l<\/p>\n<p>a<\/p>\n<p>b<\/p>\n<p>s,<\/p>\n<p>&nbsp;<\/p>\n<p>inc.<\/p>\n<p>&nbsp;<\/p>\n<p>V<\/p>\n<p>e<\/p>\n<p>r<\/p>\n<p>sion<\/p>\n<p>&nbsp;<\/p>\n<p>42<\/p>\n<p>&#8211;<\/p>\n<p>0136<\/p>\n<p>&#8211;<\/p>\n<p>00<\/p>\n<p>&#8211;<\/p>\n<p>01<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>Lab Report<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>PHOTOS<\/p>\n<p>\u2013<\/p>\n<p>&nbsp;<\/p>\n<p>Include two digital photos with your lab report, either as separate attachments to an e<\/p>\n<p>&#8211;<\/p>\n<p>mail<\/p>\n<p>&nbsp;<\/p>\n<p>or paste into your document.<\/p>\n<p>&nbsp;<\/p>\n<p>1.<\/p>\n<p>&nbsp;<\/p>\n<p>Photo #1<\/p>\n<p>\u2013<\/p>\n<p>&nbsp;<\/p>\n<p>Take a photo of the<\/p>\n<p>celery after it has been sitting for at least 4 hours.<\/p>\n<p>&nbsp;<\/p>\n<p>Get close enough to see the results<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>2.<\/p>\n<p>&nbsp;<\/p>\n<p>Photo #2<\/p>\n<p>\u2013<\/p>\n<p>&nbsp;<\/p>\n<p>Take a photo of the HORIZONTAL needle observation.<\/p>\n<p>&nbsp;<\/p>\n<p>Be sure you are close enough to see<\/p>\n<p>the needle and how it is relative to the water.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>3.<\/p>\n<p>&nbsp;<\/p>\n<p>Photo #<\/p>\n<p>3<\/p>\n<p>&nbsp;<\/p>\n<p>\u2013<\/p>\n<p>&nbsp;<\/p>\n<p>Take a photo of your test results<\/p>\n<p>\u2013<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>the layout of the commercial and homemade pH papers side by side<\/p>\n<p>&nbsp;<\/p>\n<p>after dipping into each well.<\/p>\n<p>\u2013<\/p>\n<p>It matches table #5<\/p>\n<p>&nbsp;<\/p>\n<p>(This is the paper towel with the 12<\/p>\n<p>numbers on it, with the papers beside the well #.<\/p>\n<p>)<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>E<\/p>\n<p>x<\/p>\n<p>e<\/p>\n<p>r<\/p>\n<p>cise 1:<\/p>\n<p>W<\/p>\n<p>a<\/p>\n<p>t<\/p>\n<p>er and its Unique P<\/p>\n<p>r<\/p>\n<p>operties<\/p>\n<p>&nbsp;<\/p>\n<p>P<\/p>\n<p>art<\/p>\n<p>&nbsp;<\/p>\n<p>I<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>D<\/p>\n<p>a<\/p>\n<p>t<\/p>\n<p>a<\/p>\n<p>T<\/p>\n<p>able 1: Needle O<\/p>\n<p>b<\/p>\n<p>se<\/p>\n<p>r<\/p>\n<p>v<\/p>\n<p>a<\/p>\n<p>tions<\/p>\n<p>&nbsp;<\/p>\n<p>V<\/p>\n<p>erti<\/p>\n<p>c<\/p>\n<p>al:<\/p>\n<p>&nbsp;<\/p>\n<p>Hori<\/p>\n<p>z<\/p>\n<p>o<\/p>\n<p>nt<\/p>\n<p>al:<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>P<\/p>\n<p>art<\/p>\n<p>&nbsp;<\/p>\n<p>ii<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>D<\/p>\n<p>a<\/p>\n<p>t<\/p>\n<p>a<\/p>\n<p>T<\/p>\n<p>able 2:<\/p>\n<p>P<\/p>\n<p>aper Cli<\/p>\n<p>p<\/p>\n<p>s Needed<\/p>\n<p>t<\/p>\n<p>o B<\/p>\n<p>r<\/p>\n<p>eak Sur<\/p>\n<p>f<\/p>\n<p>ace<\/p>\n<p>T<\/p>\n<p>ension<\/p>\n<p>&nbsp;<\/p>\n<p>Hypothesis:<\/p>\n<p>&nbsp;<\/p>\n<p>R<\/p>\n<p>esult:<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>P<\/p>\n<p>aper<\/p>\n<p>&nbsp;<\/p>\n<p>cli<\/p>\n<p>p<\/p>\n<p>s<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>P<\/p>\n<p>aper<\/p>\n<p>&nbsp;<\/p>\n<p>cli<\/p>\n<p>p<\/p>\n<p>s<\/p>\n<p>&nbsp;<\/p>\n<p>Experiment<\/p>\n<p>&nbsp;<\/p>\n<p>Water, ph, and Buffers<\/p>\n<p>&nbsp;<\/p>\n<p>96 \u00a9Hands-On Labs, Inc.<\/p>\n<p>www.LabPaq.com<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>Water, pH, and Buffers<\/p>\n<p>&nbsp;<\/p>\n<p>Hands-on labs, inc. Version 42-0136-00-01<\/p>\n<p>&nbsp;<\/p>\n<p>Lab Report<\/p>\n<p>&nbsp;<\/p>\n<p>PHOTOS \u2013 Include two digital photos with your lab report, either as separate attachments to an e-<\/p>\n<p>mail or paste into your document.<\/p>\n<p>1. Photo #1 \u2013 Take a photo of the celery after it has been sitting for at least 4 hours.<\/p>\n<p>Get close enough to see the results<\/p>\n<p>&nbsp;<\/p>\n<p>2. Photo #2 \u2013 Take a photo of the HORIZONTAL needle observation.<\/p>\n<p>Be sure you are close enough to see the needle and how it is relative to the water.<\/p>\n<p>&nbsp;<\/p>\n<p>3. Photo #3 \u2013 Take a photo of your test results \u2013<\/p>\n<p>the layout of the commercial and homemade pH papers side by side<\/p>\n<p>after dipping into each well. \u2013It matches table #5<\/p>\n<p>(This is the paper towel with the 12 numbers on it, with the papers beside the well #.)<\/p>\n<p>&nbsp;<\/p>\n<p>Exercise 1: Water and its Unique Properties<\/p>\n<p>Part I<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>Data Table 1: Needle Observations<\/p>\n<p>Vertical: Horizontal:<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>Part ii<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>Data Table 2: Paper Clips Needed to Break Surface Tension<\/p>\n<p>Hypothesis: Result:<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>Paper clips<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>Paper clips<\/p>\n<\/div>\n<p><center><a href=\"http:\/\/onlineclassesguru.com\/orders\/ordernow\"><img decoding=\"async\" src=\"https:\/\/encrypted-tbn0.gstatic.com\/images?q=tbn:ANd9GcTyj99p60XCLyLk1htB7-1neRt8-2QdnenNlQ&usqp=CAU\"target=\"_http:\/\/onlineclassesguru.com\/orders\/ordernow\"\/><\/center><p>","protected":false},"excerpt":{"rendered":"<p>Water, pH, and Buffers Hands-on labs, inc. Version 42-0136-00-01 &nbsp; Lab Report &nbsp; PHOTOS \u2013\u00a0Include two digital photos with your lab report, either as separate attachments to an e-mail or paste into your document. 1. Photo #1 \u2013 Take a photo of the celery after it has been sitting for at least 4 hours. Get&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2070","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Lab report - onlineclassesguru<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/onlineclassesguru.com\/index.php\/2020\/10\/29\/lab-report-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Lab report - onlineclassesguru\" \/>\n<meta property=\"og:description\" content=\"Water, pH, and Buffers Hands-on labs, inc. Version 42-0136-00-01 &nbsp; Lab Report &nbsp; PHOTOS \u2013\u00a0Include two digital photos with your lab report, either as separate attachments to an e-mail or paste into your document. 1. Photo #1 \u2013 Take a photo of the celery after it has been sitting for at least 4 hours. Get...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/onlineclassesguru.com\/index.php\/2020\/10\/29\/lab-report-2\/\" \/>\n<meta property=\"og:site_name\" content=\"onlineclassesguru\" \/>\n<meta property=\"article:published_time\" content=\"2020-10-29T13:20:23+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin_admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"7 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebSite\",\"@id\":\"https:\/\/onlineclassesguru.com\/#website\",\"url\":\"https:\/\/onlineclassesguru.com\/\",\"name\":\"onlineclassesguru\",\"description\":\"Cheap Professional coursework and reaction papers help\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/onlineclassesguru.com\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/onlineclassesguru.com\/index.php\/2020\/10\/29\/lab-report-2\/#webpage\",\"url\":\"https:\/\/onlineclassesguru.com\/index.php\/2020\/10\/29\/lab-report-2\/\",\"name\":\"Lab report - onlineclassesguru\",\"isPartOf\":{\"@id\":\"https:\/\/onlineclassesguru.com\/#website\"},\"datePublished\":\"2020-10-29T13:20:23+00:00\",\"dateModified\":\"2020-10-29T13:20:23+00:00\",\"author\":{\"@id\":\"https:\/\/onlineclassesguru.com\/#\/schema\/person\/1831fa4d28e47b468621cf27932f5742\"},\"breadcrumb\":{\"@id\":\"https:\/\/onlineclassesguru.com\/index.php\/2020\/10\/29\/lab-report-2\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/onlineclassesguru.com\/index.php\/2020\/10\/29\/lab-report-2\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/onlineclassesguru.com\/index.php\/2020\/10\/29\/lab-report-2\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/onlineclassesguru.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Lab report\"}]},{\"@type\":\"Person\",\"@id\":\"https:\/\/onlineclassesguru.com\/#\/schema\/person\/1831fa4d28e47b468621cf27932f5742\",\"name\":\"admin_admin\",\"image\":{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/onlineclassesguru.com\/#personlogo\",\"inLanguage\":\"en-US\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/429c8d043f7a770af242b0031e8b9f2b?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/429c8d043f7a770af242b0031e8b9f2b?s=96&d=mm&r=g\",\"caption\":\"admin_admin\"},\"url\":\"https:\/\/onlineclassesguru.com\/index.php\/author\/admin_admin\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Lab report - onlineclassesguru","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/onlineclassesguru.com\/index.php\/2020\/10\/29\/lab-report-2\/","og_locale":"en_US","og_type":"article","og_title":"Lab report - onlineclassesguru","og_description":"Water, pH, and Buffers Hands-on labs, inc. Version 42-0136-00-01 &nbsp; Lab Report &nbsp; PHOTOS \u2013\u00a0Include two digital photos with your lab report, either as separate attachments to an e-mail or paste into your document. 1. Photo #1 \u2013 Take a photo of the celery after it has been sitting for at least 4 hours. Get...","og_url":"https:\/\/onlineclassesguru.com\/index.php\/2020\/10\/29\/lab-report-2\/","og_site_name":"onlineclassesguru","article_published_time":"2020-10-29T13:20:23+00:00","twitter_card":"summary_large_image","twitter_misc":{"Written by":"admin_admin","Est. reading time":"7 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebSite","@id":"https:\/\/onlineclassesguru.com\/#website","url":"https:\/\/onlineclassesguru.com\/","name":"onlineclassesguru","description":"Cheap Professional coursework and reaction papers help","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/onlineclassesguru.com\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/onlineclassesguru.com\/index.php\/2020\/10\/29\/lab-report-2\/#webpage","url":"https:\/\/onlineclassesguru.com\/index.php\/2020\/10\/29\/lab-report-2\/","name":"Lab report - onlineclassesguru","isPartOf":{"@id":"https:\/\/onlineclassesguru.com\/#website"},"datePublished":"2020-10-29T13:20:23+00:00","dateModified":"2020-10-29T13:20:23+00:00","author":{"@id":"https:\/\/onlineclassesguru.com\/#\/schema\/person\/1831fa4d28e47b468621cf27932f5742"},"breadcrumb":{"@id":"https:\/\/onlineclassesguru.com\/index.php\/2020\/10\/29\/lab-report-2\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/onlineclassesguru.com\/index.php\/2020\/10\/29\/lab-report-2\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/onlineclassesguru.com\/index.php\/2020\/10\/29\/lab-report-2\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/onlineclassesguru.com\/"},{"@type":"ListItem","position":2,"name":"Lab report"}]},{"@type":"Person","@id":"https:\/\/onlineclassesguru.com\/#\/schema\/person\/1831fa4d28e47b468621cf27932f5742","name":"admin_admin","image":{"@type":"ImageObject","@id":"https:\/\/onlineclassesguru.com\/#personlogo","inLanguage":"en-US","url":"https:\/\/secure.gravatar.com\/avatar\/429c8d043f7a770af242b0031e8b9f2b?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/429c8d043f7a770af242b0031e8b9f2b?s=96&d=mm&r=g","caption":"admin_admin"},"url":"https:\/\/onlineclassesguru.com\/index.php\/author\/admin_admin\/"}]}},"_links":{"self":[{"href":"https:\/\/onlineclassesguru.com\/index.php\/wp-json\/wp\/v2\/posts\/2070"}],"collection":[{"href":"https:\/\/onlineclassesguru.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/onlineclassesguru.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/onlineclassesguru.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/onlineclassesguru.com\/index.php\/wp-json\/wp\/v2\/comments?post=2070"}],"version-history":[{"count":2,"href":"https:\/\/onlineclassesguru.com\/index.php\/wp-json\/wp\/v2\/posts\/2070\/revisions"}],"predecessor-version":[{"id":2072,"href":"https:\/\/onlineclassesguru.com\/index.php\/wp-json\/wp\/v2\/posts\/2070\/revisions\/2072"}],"wp:attachment":[{"href":"https:\/\/onlineclassesguru.com\/index.php\/wp-json\/wp\/v2\/media?parent=2070"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/onlineclassesguru.com\/index.php\/wp-json\/wp\/v2\/categories?post=2070"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/onlineclassesguru.com\/index.php\/wp-json\/wp\/v2\/tags?post=2070"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}