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art A: Confirmation Tests Experimental Observations Test Starch Test (lodine) violet Chloride Test (AgNO₂) cloudy white Glucose Test (Benedicts) Grunge → Brown cart B: Dialysis Experimental Observations Observations for Positive Test (substance present) Test Yellow Observations for Negative Test (substance not present) Yellow Clear Test Results of Water Outside Dialysis Bag Immediately Starch Test (lodine) Chloride Test (AgNO₂) cloudy white Glucose Test (Benedicts) no chang Blue After 15 Minutes After 30 Minutes no change no change more cloudy no change tan more tan Contents of Bag NUCI Starch cloudy white tan

art A: Confirmation Tests Experimental Observations Test Starch Test (lodine) violet Chloride Test (AgNO₂) cloudy white Glucose Test (Benedicts) Grunge → Brown cart B: Dialysis Experimental Observations Observations for Positive Test (substance present) Test Yellow Observations for Negative Test (substance not present) Yellow Clear Test Results of Water Outside Dialysis Bag Immediately Starch Test (lodine) Chloride Test (AgNO₂) cloudy white Glucose Test (Benedicts) no chang Blue After 15 Minutes After 30 Minutes no change no change more cloudy no change tan more tan Contents of Bag NUCI Starch cloudy white tan

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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help for lab repor for 2 pg

 

Name: Lab Partner(s): Part A: Confirmation Tests Experimental Observations Test Lab Report: Solution Concentrations, Dilution, and Dialysis Starch Test (lodine) Violet Chloride Test (AgNO₂) cloudy white Glucose Test (Benedicts) Grange → Brown Part B: Dialysis Experimental Observations Test Starch Test (lodine) Chloride Test (AgNO₂) Glucose Test (Benedicts) Chem 105/110 Section: Experiment Date: Observations for Positive Test (substance present) Yellow Observations for Negative Test (substance not present) Yellow Clear Blue Test Results of Water Outside Dialysis Bag Immediately Contents of Bag After 15 Minutes After 30 Minutes no change NUCI Starch no change more cloudy no change cloud white tan more tun tan Cloudy white no chang Data Analysis - Answer the following questions based on your observations as recorded in the tables above 1) Which substance(s) were present in the water outside the dialysis bag at the beginning of the experiment (immediately)? 2) Which substance(s) were present in the water outside the dialysis bag after 15 minutes? 3) Which substance(s) were present in the water outside the dialysis bag after 30 minutes? 4) Which substance(s) were present in the water inside the dialysis bag at the end of the experiment? Page 1 of 3
Transcribed Image Text:Name: Lab Partner(s): Part A: Confirmation Tests Experimental Observations Test Lab Report: Solution Concentrations, Dilution, and Dialysis Starch Test (lodine) Violet Chloride Test (AgNO₂) cloudy white Glucose Test (Benedicts) Grange → Brown Part B: Dialysis Experimental Observations Test Starch Test (lodine) Chloride Test (AgNO₂) Glucose Test (Benedicts) Chem 105/110 Section: Experiment Date: Observations for Positive Test (substance present) Yellow Observations for Negative Test (substance not present) Yellow Clear Blue Test Results of Water Outside Dialysis Bag Immediately Contents of Bag After 15 Minutes After 30 Minutes no change NUCI Starch no change more cloudy no change cloud white tan more tun tan Cloudy white no chang Data Analysis - Answer the following questions based on your observations as recorded in the tables above 1) Which substance(s) were present in the water outside the dialysis bag at the beginning of the experiment (immediately)? 2) Which substance(s) were present in the water outside the dialysis bag after 15 minutes? 3) Which substance(s) were present in the water outside the dialysis bag after 30 minutes? 4) Which substance(s) were present in the water inside the dialysis bag at the end of the experiment? Page 1 of 3
5) Which substance(s) were able to diffuse out of the dialysis bag by passing through the semi-permeable membrane? 6) Which substance(s) were able to diffuse into the dialysis bag by passing through the semi-permeable membrane? 7) Which substance(s) were unable to pass through the semi-permeable membrane of the dialysis bag? 8) For each of the three solutions you placed into the dialysis bag, identify each as a solution or colloid, and explain your reasoning based on the results of your experiment. Solution Salt Sugar Starch Solution or Colloid? Reasoning Page 2
Transcribed Image Text:5) Which substance(s) were able to diffuse out of the dialysis bag by passing through the semi-permeable membrane? 6) Which substance(s) were able to diffuse into the dialysis bag by passing through the semi-permeable membrane? 7) Which substance(s) were unable to pass through the semi-permeable membrane of the dialysis bag? 8) For each of the three solutions you placed into the dialysis bag, identify each as a solution or colloid, and explain your reasoning based on the results of your experiment. Solution Salt Sugar Starch Solution or Colloid? Reasoning Page 2
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