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QUESTION 4 Based on your answers to question 2 and 3 identify each of the following...
Solubility and Solution Separations ANALYSIS Questions C1. Summarize the results of your separations tests i the...
Solubility and Solution Separations ANALYSIS Questions C1. Summarize the results of your separations tests i the table below and classify each substance as a solute, colloid, or suspension particle. Passed Through Semi- Passed Through Filter Permeable Membrane? Solute, Colloid, Suspension Particle Paper? (yes/no) Substance (yes/no) chloride ions glucose gelatin charcoal C2. Why can small solute molecules pass through a semi-permeable membrane, but colloid and suspension particles not? C3. Were the separations performed in Part C examples of osmosis or dialysis?...
QUESTION 9 Identify the following as a solution, a colloid, suspension or a heterogeneous mixture. granite...
QUESTION 9 Identify the following as a solution, a colloid, suspension or a heterogeneous mixture. granite A. suspension B. solution C. heterogeneous mixture wine D. colloid jelly
Each of the following mixtures is placed in a dialyzing bag and immersed in distilled water. Whic...
Each of the following mixtures is placed in a dialyzing bag and immersed in distilled water. Which substances will be found outside the bag in the distilled water? starch solution (colloid) and alanine, an amino acid, solution starch solution (colloid) and alanine, an amino acid, solution starch alanine starch and alanine none of the above NaCl solution and starch solution (colloid) solution and starch solution (colloid) starch Na+ and Cl− ions starch and Na+ and Cl− ions none of the...
Part A: Confirmation Tests Experimental Observations Observations for Negative Test (substance not present) Observations for Positive...
Part A: Confirmation Tests Experimental Observations Observations for Negative Test (substance not present) Observations for Positive Test (substance present) black blue Test Ambe No change elue Starch Test (lodine) while Particles Chloride Test (AgNOa) ylue Glucose Test (Bened icts) Part B: Dialysis Experimental Observations Test Results of Water Outside Dialysis Bag Test Contents of Bag Immediately After 15 Minutes After 30 Minutes Cmber white fart des blue Amber O(ange Starch Test (lodine) Blown charge shite blue white cloudy Chloride Test...
Identify the unknown carbohydrate based on the following results. Your choices are: Fructose, Glucose, Maltose, Starch,...
Identify the unknown carbohydrate based on the following results. Your choices are: Fructose, Glucose, Maltose, Starch, and Sucrose - No reaction with iodine - Molisch test - rapidly formed purple ring - Benedict's test - red precipitate - Barfoed's test - brick red precipitate - Bial's test - green solution - Seliwanoff test - red color after 2 minutes Answer: ___________
Please ignore some of my wrong answers, I'm still trying to figure all this out. thanks!...
Please ignore some of my wrong answers, I'm still
trying to figure all this out. thanks!
- POHL Consider two solutions, A and B, both a beaker but separated by a semipermeable membrane. The membrane allows small molecules and ions to pass through, but not large molecules like polysaccharides and proteins. Solution A contains a 5% solution of glucose and albumin (a protein) dissolved in water. Solution B contains a 10% solution of sodium chloride and starch dissolved in water....
8.08 D) 2.0 g E) 200.g question(s), consider a 4% starch solution and a 10% starch...
8.08 D) 2.0 g E) 200.g question(s), consider a 4% starch solution and a 10% starch solution 9. For the following question(s), considera separated by a semipermeable membrane. 27) Which starch solution will decrease in volume as osmosis Volume as osmosis occurs? B) hypotonic w C) hypertonic to the blood. D) nontonic to the blood. E) molar to the blood. 2% starch solution by a semipermeable 13. 31) A 10% starch solution is separated from a 2% starch solution by...
2. Identify the study design in the following scenarios. Give reasons for your answers. a. All...
2. Identify the study design in the following scenarios. Give reasons for your answers. a. All IDUs in refugee camp X who agreed to participate in the study were asked to provide information on the frequency of injections using a standardized questionnaire. In addition, blood samples were collected to test for HCV antibodies using anti-HCV test.
303. Identify the oxidizing and reducing agents in each of the following reactions. + Cr₂O, 2...
303. Identify the oxidizing and reducing agents in each of the following reactions. + Cr₂O, 2 → Cri + IO (acidic solution) b) + OCI CI (acidic solution) a) I (4) 3 lag IO, 201) (a) 304. Determine the emf (E) under standard conditions of a voltaic cell based on the following chemical reaction. Ce+ Ni Ni? fag + Ce?
2. Identify the study design in the following scenarios. Give reasons for your answers. c. In...
2. Identify the study design in the following scenarios. Give reasons for your answers. c. In October 2018, Camp X ran a HCV prevention promotion campaign that exclusively focused on IDUs. One year later, they found that the prevalence of HCV infection among IDUs was 7% compared with 4% in October 2018. The research team wanted to expand their study to examine the impact of the IDUs focused HCV health promotion campaign on HCV infection among IDUs in refugee camp...
Solubility and Solution Separations ANALYSIS Questions C1. Summarize the results of your separations tests i the table below and classify each substance as a solute, colloid, or suspension particle. Passed Through Semi- Passed Through Filter Permeable Membrane? Solute, Colloid, Suspension Particle Paper? (yes/no) Substance (yes/no) chloride ions glucose gelatin charcoal C2. Why can small solute molecules pass through a semi-permeable membrane, but colloid and suspension particles not? C3. Were the separations performed in Part C examples of osmosis or dialysis?...
QUESTION 9 Identify the following as a solution, a colloid, suspension or a heterogeneous mixture. granite A. suspension B. solution C. heterogeneous mixture wine D. colloid jelly
Part A: Confirmation Tests Experimental Observations Observations for Negative Test (substance not present) Observations for Positive Test (substance present) black blue Test Ambe No change elue Starch Test (lodine) while Particles Chloride Test (AgNOa) ylue Glucose Test (Bened icts) Part B: Dialysis Experimental Observations Test Results of Water Outside Dialysis Bag Test Contents of Bag Immediately After 15 Minutes After 30 Minutes Cmber white fart des blue Amber O(ange Starch Test (lodine) Blown charge shite blue white cloudy Chloride Test...
Please ignore some of my wrong answers, I'm still
trying to figure all this out. thanks!
- POHL Consider two solutions, A and B, both a beaker but separated by a semipermeable membrane. The membrane allows small molecules and ions to pass through, but not large molecules like polysaccharides and proteins. Solution A contains a 5% solution of glucose and albumin (a protein) dissolved in water. Solution B contains a 10% solution of sodium chloride and starch dissolved in water....
8.08 D) 2.0 g E) 200.g question(s), consider a 4% starch solution and a 10% starch solution 9. For the following question(s), considera separated by a semipermeable membrane. 27) Which starch solution will decrease in volume as osmosis Volume as osmosis occurs? B) hypotonic w C) hypertonic to the blood. D) nontonic to the blood. E) molar to the blood. 2% starch solution by a semipermeable 13. 31) A 10% starch solution is separated from a 2% starch solution by...
303. Identify the oxidizing and reducing agents in each of the following reactions. + Cr₂O, 2 → Cri + IO (acidic solution) b) + OCI CI (acidic solution) a) I (4) 3 lag IO, 201) (a) 304. Determine the emf (E) under standard conditions of a voltaic cell based on the following chemical reaction. Ce+ Ni Ni? fag + Ce?
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