13. Did starch molecules diffuse out of the sac? __How do you know? Methylené Blue(molecular weight 374)mmPotassium permanganate(molecular weight 158)9.what relationship exists between molecular weight and the rate of diffusion?Diffusion and Molecular Size10.Observe all color changes in the practice test. Record your observations in the space below.Starch TestTube 1 - Starch + 12 KI:Tube 2 - Tap water + 12 KIGlucose TestTube 1- 1% glucose + Benedict's (heated):Tube 2 - 0.1% glucose + Benedict's (heated):Tube 3- Tap water + Benedict's (heated):On the basis of the indicator test for starch, what must have happened to the iodine molecules thatwere originally only in the water in the large test tube?11.On the basis of the indicator test for glucose, what must have happened to the glucose moleculesthat were originally in the cellulose tubing sac?12.13.Did starch molecules diffuse out of the sac?How do you know?List the following in order of decreasing size: perforations in the sac, starch molecules, glucmolecules.14.(largest)(smallest)Diffusion and Temperature15.Record your measurements of the colored areas in the space below.At room temperature:At freezing:16. What evidence do you have that diffusion occurs more rapidly under warmer conditions?Muscle contractions which move the body depend heavily on diffusion. Why do we hawmoving our fingers, etc. when they are cold?17.xercise 6, 5/136-7Osmos

The Starch-iodine tests and the glucose tests are done to check the permeability of the sac or tube…

Answered: Did starch molecules diffuse out of the…

Science

Biology

Did starch molecules diffuse out of the sac? __ How do you know?

Curren'S Math For Meds: Dosages & Sol

11th Edition

ISBN:9781305143531

Author:CURREN

Publisher:CURREN

Chapter9: Parenteral Medication Labels And Dosage Calculation

Section: Chapter Questions

Problem 4.1P

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Question

13. Did starch molecules diffuse out of the sac? __ How do you know?

Methylené Blue
(molecular weight 374)
mm
Potassium permanganate
(molecular weight 158)
9.
what relationship exists between molecular weight and the rate of diffusion?
Diffusion and Molecular Size
10.
Observe all color changes in the practice test. Record your observations in the space below.
Starch Test
Tube 1 - Starch + 12 KI:
Tube 2 - Tap water + 12 KI
Glucose Test
Tube 1- 1% glucose + Benedict's (heated):
Tube 2 - 0.1% glucose + Benedict's (heated):
Tube 3- Tap water + Benedict's (heated):
On the basis of the indicator test for starch, what must have happened to the iodine molecules that
were originally only in the water in the large test tube?
11.
On the basis of the indicator test for glucose, what must have happened to the glucose molecules
that were originally in the cellulose tubing sac?
12.
13.
Did starch molecules diffuse out of the sac?
How do you know?
List the following in order of decreasing size: perforations in the sac, starch molecules, gluc
molecules.
14.
(largest)
(smallest)
Diffusion and Temperature
15.
Record your measurements of the colored areas in the space below.
At room temperature:
At freezing:
16. What evidence do you have that diffusion occurs more rapidly under warmer conditions?
Muscle contractions which move the body depend heavily on diffusion. Why do we haw
moving our fingers, etc. when they are cold?
17.
xercise 6, 5/13
6-7
Osmos

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