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Dex

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Stearic Acid reaction

« on: March 01, 2013, 06:19:00 AM » What is the reaction between Stearic Acid and sodium bicarbonate??C18H36O2 + NaHCO3?Tnx in advance Logged

Hunter2

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Re: Stearic Acid reaction

« Reply #1 on: March 01, 2013, 06:31:07 AM » What do generally acids with basic solutions. Also one hint how does bubble candy work. Check what is soap. Combine everything. Logged

Arkcon

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Re: Stearic Acid reaction

« Reply #2 on: March 01, 2013, 06:41:47 AM » When you're working with a simple acid-base reaction like this, and you have an organic acid, its helpful to think of the formula of acid, by functional group. Like I've explained before: http://www.chemicalforums.com/index.php?topic=29784.0 Logged Hey, I'm not judging. I just like to shoot straight. I'm a man of science.

Dex

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Re: Stearic Acid reaction

« Reply #3 on: March 01, 2013, 06:47:39 AM » Sorry ChemistsBut My major is not chemical, and I found this reaction on internet. IS that right??C18H36O2 + NaHCO3 = H2O + CO2 + NaC18H35O2But there is a problem thoughStearic Acid is solid at room temperature and so is bicarbonate, So to make the reaction happen, It seems I have to heat Stearic Acid to turn to liquid and then add bicarbonate. Am I right??? Logged

Hunter2

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Re: Stearic Acid reaction

« Reply #4 on: March 01, 2013, 06:58:53 AM » Yes the reaction is right. I told you to check google or others to make soap. At least you melt the acid and add the bicarbonate. Logged

Arkcon

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Re: Stearic Acid reaction

« Reply #5 on: March 01, 2013, 07:03:26 AM » Basically, no. Acid-base reactions occur in aqueous solution, not in the melt, generally. Bicarbonate is likely not stable at stearic acid melting point and will decompose. If you bungle blindly, you're very likely to get a mess. What you could do is is react with NaOH, to form soap. At first, very little will react, you may use alcohol to dissolve some of the steaic acid, so it can mix with the water and NaOH and react. Then, as soap forms, it will dissolve more and more of the stearic acid. I don't know if sodium stearate has the properties you need, however. Logged Hey, I'm not judging. I just like to shoot straight. I'm a man of science.

Dex

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Re: Stearic Acid reaction

« Reply #6 on: March 01, 2013, 07:32:22 AM » tnx guys Cuz I didnt have access to any alcohol, I'll try melting method but cautiously Logged

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