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12/8/2010 4:01:26 AM
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Glucose + Water? Colloid. Solution, Suspension?

Is glucose mixed in water a colloid, a solution or a suspension.
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  • [quote][b]Posted by:[/b] Jdom765 [quote][b]Posted by:[/b] Bungie2 Lets be logical. First, defining them... Colloid: A substance dispersed evenly throughout another substance to the microscopic level. Solution: A homogenous mix of 2 or more certain substances. Suspension: A mixture of two certain chemicals with the property that one does not rapidly settle out. Now, with that logic, no subjective mix can ever be a colloid or suspension, as a colloid will NEVER settle and in a colloid, the suspended particles are tinier. So therefore, The saying of it being all 3 is False. Glucose does not show the Tyndall Effect, a characteristic of all colloids, so therefore, Glucose on its own is not a colloid. Now, a hydrocolloid is where Colloidic particles are suspended in water. Therefore Glucose + Water does not equal a Colloid. As far as I remember, now we have Suspension left. Is Glucose Water a Suspension? No. Glucose is a Solution and when mixed with water, Glucose Water is a Chemical Solution, and not a Chemical Suspension. ~B2[/quote] I figured as much, we did a colloid lab today and it involved mizing glucose and filtered distilled water. It actually did display the Tyndall Effect, although I wasn't sure if this was due to insufficient mixing or if it was actually a colloid.[/quote] No, Glucose on its own should not do that, for example a mixture containing starch (colloid), NaCl, glucose, and albumin (colloid) is placed in a dialyzing bag and immersed in distilled water. Which of the following describes the location of the indicated substance after dialysis? A. NaCl inside B. glucose outside C. starch outside D. albumin outside E. glucose inside The answer would be B. The NaCl and Glucose would diffuse through the bag into the distilled water, while the colloidal substances remain within the bag...a rather old experiment, but Glucose should not be a colloid. ~B2

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  • [quote][b]Posted by:[/b] Bungie2 Lets be logical. First, defining them... Colloid: A substance dispersed evenly throughout another substance to the microscopic level. Solution: A homogenous mix of 2 or more certain substances. Suspension: A mixture of two certain chemicals with the property that one does not rapidly settle out. Now, with that logic, no subjective mix can ever be a colloid or suspension, as a colloid will NEVER settle and in a colloid, the suspended particles are tinier. So therefore, The saying of it being all 3 is False. Glucose does not show the Tyndall Effect, a characteristic of all colloids, so therefore, Glucose on its own is not a colloid. Now, a hydrocolloid is where Colloidic particles are suspended in water. Therefore Glucose + Water does not equal a Colloid. As far as I remember, now we have Suspension left. Is Glucose Water a Suspension? No. Glucose is a Solution and when mixed with water, Glucose Water is a Chemical Solution, and not a Chemical Suspension. ~B2[/quote] I figured as much, we did a colloid lab today and it involved mizing glucose and filtered distilled water. It actually did display the Tyndall Effect, although I wasn't sure if this was due to insufficient mixing or if it was actually a colloid.

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  • [quote][b]Posted by:[/b] Da Purple Hippo BOTH[/quote] Incorrect. ~B2

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  • BOTH

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  • Lets be logical. First, defining them... Colloid: A substance dispersed evenly throughout another substance to the microscopic level. Solution: A homogenous mix of 2 or more certain substances. Suspension: A mixture of two certain chemicals with the property that one does not rapidly settle out. Now, with that logic, no subjective mix can ever be a colloid or suspension, as a colloid will NEVER settle and in a colloid, the suspended particles are tinier. So therefore, The saying of it being all 3 is False. Glucose does not show the Tyndall Effect, a characteristic of all colloids, so therefore, Glucose on its own is not a colloid. Now, a hydrocolloid is where Colloidic particles are suspended in water. Therefore Glucose + Water does not equal a Colloid. As far as I remember, now we have Suspension left. Is Glucose Water a Suspension? No. Glucose is a Solution and when mixed with water, Glucose Water is a Chemical Solution, and not a Chemical Suspension. ~B2

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  • [quote][b]Posted by:[/b] old bad dog I am not specifically proficient in scientific chemistly. I apologize dearly ol' chap. Americanized: LOLDOOD I DUNNO [/quote] Are you mad?

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  • Its a solution...

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  • [quote][b]Posted by:[/b] old bad dog I am not specifically proficient in scientific chemistly. I apologize dearly ol' chap. Americanized: LOLDOOD I DUNNO [/quote] and what country are you from Mr.Stereotype?

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  • 0
    I am not specifically proficient in scientific chemistly. I apologize dearly ol' chap. Americanized: LOLDOOD I DUNNO

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