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OUT OF THE BAG!! the stff is no good

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14y ago

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What will happen if you pour starch indicator solution into the cell and filled the beaker with starch and glucose solution?

The starch indicator solution will diffuse out of the bag (cell) into the beaker, changing the color of the starch solution to a blue, purple, or black color (assuming that it's iodine). The color of the indicator solution inside the bag will not change, because only the glucose can diffuse into the bag, but the starch cannot diffuse into the bag.


What happen to the starch solution in the dialysis bag at the end of experiment?

At the end of the experiment, the starch solution in the dialysis bag remains unchanged in terms of its concentration, as starch molecules are too large to pass through the dialysis membrane. However, if iodine was present in the surrounding solution, it may have entered the bag and reacted with the starch, resulting in a color change. This indicates that while small molecules can diffuse through the membrane, the larger starch molecules cannot. Thus, the starch solution inside the bag retains its original properties.


What results would you expect of the experiment started with a glucose and IKI solution inside the bag and only starch and water outside?

The IKI Is small so the pores of in the bag allow it to go throuch but the starch is to big. So based on the size of the molecules, the glucose and IKI would move out of the bag, the water in, and the starch left in the beaker.


What would happen to an experiment if iodine was put in dialysis bag?

If iodine is placed in a dialysis bag, it will diffuse out of the bag into the surrounding solution, assuming the solution does not contain iodine. This is because the dialysis bag is typically permeable to small molecules like iodine, allowing it to move from an area of higher concentration (inside the bag) to lower concentration (outside). If the surrounding solution contains starch, a color change to blue-black will occur, indicating the presence of iodine, as iodine forms a complex with starch. If there is no starch, the iodine will simply diffuse into the solution without any observable reaction.


Why does starch not go in the bag?

Starch is not included in the bag because it is used as a thickening agent in the soup and would not have the same texture or flavor profile if it was included in the bag before cooking.


How will you determine whether iodine entered the dialysis bag containing starch?

You can determine if iodine entered the dialysis bag containing starch by performing a simple iodine test. Add a few drops of iodine solution to the bag. If the iodine turns blue or purple, it means that iodine has entered the bag and reacted with the starch inside.


How does iodine get in a bag of corn starch?

I am not quite sure what happens when corn starch and iodine are mixed but when corn starch, iodine and water are mixed, it creates a purple solution. The darkness of the colour mostly depends on the iodine. Without the starch with iodine and water, it is deep yellow or brown.


Is potato starch a solution?

Starch is not a solution.


What is the organic compound that reacts when iodine is added to starch solution?

The organic compound that reacts with iodine in a starch solution is amylose, which is a polysaccharide and a component of starch. When iodine is added to a starch solution, it forms a blue-black complex with the amylose present in the solution.


Glucose and I2KI inside the bag what color would be present in dialysis tubing bag experiment?

In the dialysis tubing bag experiment, if glucose and I2KI are present inside the bag, the color of the I2KI solution will turn blue-black due to the reaction of iodine with starch present in the glucose solution. This color change indicates the presence of glucose inside the bag.


What does IKI solution test for?

IKI solution is used to test for the presence of starch. Starch will turn blue-black in the presence of IKI solution, indicating a positive test result for the presence of starch.


What chemical is used to test for starch and what is the result if starch is present?

The chemical is called Iodine solution. If starch is present, the iodine solution will turn from amber to blue black.