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Equation for reaction of benzoic acid

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chemistry
Given 20g of benzoic acid contaminated with 0.4g of salicytic acid. 1)Determine the volume of hot water required to dissolve the mass of acid. 2)Calculate the mass of benzoic acid which participates when the solution is cooled to 20°C. Deduce. 3)Calculate the mass of ...

chemistry
What mass of benzoic acid can be made from a reaction where 4.87g benzyl alcohol is combined with 300mL of bleach? The reaction is conducted in water and dichloromethane. Describe a method of separating the benzoic acid from the sodium chloride byproduct after the reaction is ...

chemistry
What mass of benzoic acid can be made from a reaction where 4.87g benzyl alcohol is combined with 300mL of bleach? The reaction is conducted in water and dichloromethane. Describe a method of separating the benzoic acid from the sodium chloride byproduct after the reaction is ...

Chemistry
Which of the two, benzoic acid and sucrose, has the largest heat of combustion and why? Can you look up the heats of combustion. I found -3226.9 kJ/mol for benzoic acid and -5637 kJ/mol for sucrose but you should look for yourself and confirm those numbers. Write the combusion...

chemistry
A 0.25 mol/L solution of benzoic acid, KC7H5O2 and antiseptic also used as a food preservative, has a pH of 2.40. Calculate the Ka of benzoic acid at SATP How does the benzoic acid ionization go?

organic chemistry
breifly describe how you would separate a mixture of sand and benzoic acid(benzoic acid is soluble in hot water) to obtain pure benzoic acid

Chemistry
Enough water is added to 0.35 g of benzoic acid to make 1000 mL of solution. What is the pH? Ionization Constant for Benzoic Acid Ka = 6.5 × 10–5 Molar Mass Benzoic Acid 122. g·mol–1 (A) 1.9 (B) 2.6 (C) 3.4 (D) 4.2

Chem
I am having the following problem: I need to calculate 2 Keq values based on the experiment that I conducted. I reacted 0.082 moles of benzoic acid with 0.618 moles of methanol and obtained 0.055 moles of methyl benzoate. When I calculate the first Keq based on the following ...

Chemistry
Please help !!!! The acid impurity in your unknown was benzoic acid. a) Write an equation for the reaction that occurs during the NaOH extraction. b) Write an equation for the reaction that occurs after the addition of HCL. Thanks.

organic chemistry
How to find the volume of hot water required to dissolve the mass of acid, if we have 20g of benzoic acid contaminated with 0.4g of salicylic acid? What is the mass of benzoic acid which participates when the solution is cooled to 20°C? Deduce. What is the mass of salicylic ...

Chemistry (Acid/Base)
Consider a solution made by mixing 100 mL of 2.0 M acetic acid (Ka= 1.8e-5) with 100 mL of 0.00020 M benzoic acid (Ka= 6.4e-5). How many moles of solid NaOH must be added to the solution so that half of the benzoic acid is protonated (i.e. such that [HA] = [A-] for benzoic acid)?

Chemistry
Benzoic acid and quinine are dissolved in a solution of dichloromethane. (benzoic acid pKa = 4.2; quinine pKa = 8.5) a) Besides the normal neutral forms for benzoic acid and quinine, will there be any other chemical form(s) present in the dichloromethane solution? a) What ...

Chemistry
References Chapter 17: EOC Assume you dissolve 0.178 g of the weak acid benzoic acid, , in enough water to make mL of solution and then titrate the solution with 0.187 M . ( for benzoic acid = .) What was the pH of the original benzoic acid solution?

Chemistry
What is the balanced equation of reaction between glacial acid, benzoic acid and sodium hydrogen carbonate solution

Chemistry
under standard conditions, the following reaction is spontaneous at 298K. O2 + 4H+ + 4Br- --> 2H2O + 2 Br2 Will the reaction be spontaneous if the PH value is adjusted using a buffer composed of 0.10 M benzoic acid and 0.12M sodium benzoate? Given:Given: Ka for benzoic acid...

Chemistry
Given acidity constant,Ka of benzoic acid is 6.28 X 10^-5. pH of 0.15 molar solution of this acid is ? Here is my method: Benzoic acid is a weak acid,hence it dissociates very little. So: C6H5COOH---> C6H5COO- + H+ [H+] and [C6H5COO-] are yet to be calculated,so let them be...

Chemistry
The combustion reaction for benzoic acid C6H5CO2H(s) + 15 2 O2(g) → 7 CO2(g) + 3 H2O(ℓ) has ∆H0 = −3226.7 kJ/mole. Use Hess’s Law to calculate ∆H0 f for benzoic acid.

Chemistry
You have 150 ml of a solution of benzoic acid in water estimated to contain about 5 g of acid. The distribution coefficient of benzoic acid in benzene and water is approx 10. Calculate the amount of acid that would be left in the water solution after three 50 ml extractions ...

Chemistry
You have 150 ml of a solution of benzoic acid in water estimated to contain about 5 g of acid. The distribution coefficient of benzoic acid in benzene and water is approx 10. Calculate the amount of acid that would be left in the water solution after three 50 ml extractions ...

chemistry
A student performed the nitration of Benzoic Acid. She/he started with 7.2 g of starting material and obtained 4.8 g of product. Assuming Benzoic Acid is the limiting reagent; calculate the theoretical and percent yields. Show the equation and all steps of your calculations.

Chemistry
Given that the Ka of benzoic acid is 6.50 x 10-5, how would one prepare 0.500 L of a benzoic acid/sodium benzoate buffer of a desired pH of 4.00? The starting concentration of the benzoic acid is 3.00 M and the molecular weight of sodium benzoate is 144.10 g/mol.

Chemistry
Given that the Ka of benzoic acid is 6.50 x 10-5, how would one prepare 0.500 L of a benzoic acid/sodium benzoate buffer of a desired pH of 4.00? The starting concentration of the benzoic acid is 3.00 M and the molecular weight of sodium benzoate is 144.10 g/mol

chem
Forty-two grams of benzoic acid is treated with concentrated nitric acid in some sulfuric acid. Forty-two grams of the major expected organic product is isolated. What is the percentage yield for this experiment? Give an equation with structural formulas for the major reaction...

Chemistry
The solubility of compounds containing the carboxylic acid group can be increased by reaction with a) sulfuric acid b) nitric acid c) sodium hydroxide d) water e) benzoic acid

Chemistry
I know that benzaldehyde decomposes into benzoic acid and benzyl alcohol via Cannizzaro Reaction.. But, can benzyl alcohol go through a Cannizzaro Reaction to form benzaldehyde and benzoic acid?

chemistry
Benzoic acid reacts with water to form the benzoate ion by the following reaction C6H5COOH(aq) + H2O(l) ⇀↽ C6H5COO−(aq) + H3O +(aq) The equilibrium constant for this reaction is 6.4 x 10−5 . In a 0.1 M solution of benzoic acid, what is the concentration...

Chemistry
Assume the solubility of benzoic acid in ice-cold water is 1.70 g/L and the solubility of benzoic acid in hot water is 68.0 g/L. Calculate the minimum volume of water (in mL) needed to recrystallize 0.950 g of benzoic acid.

Chemistry
Assume the solubility of benzoic acid in ice-cold water is 1.70 g/L and the solubility of benzoic acid in hot water is 68.0 g/L. Calculate the minimum volume of water (in mL) needed to recrystallize 0.350 g of benzoic acid.

chem
If 20.5 mL of a 5.256 M solution of benzoic acid is used in an experiment similar to experiment 4, how many grams of benzoic acid is in the starting solution? (molar mass of benzoic acid = 122.12 g/mol) Be sure to pay attention to significant figures. The answers are all in grams

Organic Chemistry
If your carboxylic acid is benzoic acid, how many moles of benzoic acid are present in your sample (0.30g, and it is a mixture of three components of equal mass)?

Organic Chemistry
An impure sample contains 0.95g of benzoic acid and 0.05 of salicylic acid. Solubilities in water of the two compounds are given in the following table. Solubility at 20 degrees (g/10mL) benzoic acid: 0.029 salicylic acid: 0.22 Solubility at 100 degrees (g/10mL) benzoic acid: ...

Science
Separation scheme for isolating benzoic acid Could you please show me a separation scheme for isolating benzoic acid from a reaction mixture if mixing a Grignard reagent phenylmagnesium bromide with dry ice (CO2) in ether? Thanks!

organic chemistry
write a balanced equation for the reaction of benzoic acid with 3 M sodium hydroxide solution

Organic Chemistry
Separation scheme for isolating benzoic acid Could you please show me a separation scheme for isolating benzoic acid from a reaction mixture if mixing a Grignard reagent phenylmagnesium bromide with dry ice (CO2) in ether? Thanks!

Chemistry
Benzoic acid (C6H5COOH)is a monoprotic weak acid with Ka=6.30*10^-5. What is the pH of a solution of benzoic acid that is 0.559M and has 2.25*10^-2M NaOH added?

chemistry
a student dissolves 0.625 g of pure benzoic acid in distilled water and titrated the resulting solution to the equivalence point using 40.8 mL of the standardized NaOH solution from Part a, assuming that benzoic acid has only one ionizable hydrogen, answer the following: ...

Organic Chemistry
How to find the crude percent, percent recovery, and percent composition of benzoic acid and acetanilide if 2 grams of a mixture of benzoic acid and acetanilide was separated through separatory funnel and recrystallize and purified, but only 0.7g of benzoic acid was used to be...

organic chemistry
Show the reaction equation and mechanisms of a mixture of napthalene,p-nitroaniline and benzoic acid dissolved in dichloromethane?

organic chemistry
Show the reaction equation and mechanisms of a mixture of napthalene,p-nitroaniline and benzoic acid dissolved in dichloromethane?

Chem
.240g Benzoic acid is dissolved in water at 100C and crystals of it formed when cooled to 20C that weighed .172g. What is the percent recovery (given solubility of benzoic acid at 20C is 2.9mg/mL) I understand the %recovery equation, but am not sure how to set up the ...

organic chemistry
I need to design a method to separate a mixture of benzoic acid and caffeine based on the results of a solubility experiment I did and Im not sure where to start. Ok, I know that the caffeine acts as a base as it was soluble in HCL and the Benzoic acid is an acid as it was ...

Chemistry
Calculate the pH of a buffer solution that contains 0.23 M benzoic acid (C6H5CO2H) and 0.28 M sodium benzoate (C6H5COONa). [Ka = 6.5 × 10-5 for benzoic acid] Please help?

General Chemistry 1412 inorganic
Find the pH of a solution that is 0.30 M benzoic acid (HBz) and 0.25 M sodium benzoate(NaBz). Ka for benzoic acid = 6.5 x 10-5

chemistry
A 0.25 mol/L solution of benzoic acid, KC7H5O2 and antiseptic also used as a food preservative, has a pH of 2.40. Calculate the Ka of benzoic acid at SATP

Orgo - recrytalization
180mg of crude benzoic acid was recrystallized in an appropriate solvent, with a percent recovery of 67%. How much benzoic acid was recovered?

chemistry
Benzoic acid and quinine are dissolved in a solution of dichloromethane. Besides the normal neutral forms for benzoic acid and quinine, will there be any other chemical form(s) present in the dichloromethane solution? (benzoic acid pKa = 4.2; quinine pKa = 8.5)

chemistry
i need help solving this Benzoic acid is a weak, monoprotic acid (Ka = 6.3 × 10−5). Calculate the pH and the percent dissociation of each of the following solutions of benzoic acid. Then use Le Châtelier’s principle to explain the trend in percent dissociation of the...

Organic Chemistry - Extraction
You have 100 mL of a solution of benzoic acid in water; the amount of benzoic acid in the solution is estimated to be about 0.30 g. The distribution coefficient of benzoic acid in diethyl ether and water is approximately 10. Calculate the amount of acid that would be left in ...

ap chemistry
What is the concentration of H+ ions in a buffer solution containing 0.305 M benzoic acid (with ionization constant 6.5 × 10−5)and 0.834 M sodium benzoate (a salt of benzoic acid)?

Organic Chemistry
An impure sample contains 0.95g of benzoic acid and 0.05 of salicylic acid. Solubilities in water of the two compounds are given in the following table. Solubility at 20 degrees (g/10mL) benzoic acid: 0.029 salicylic acid: 0.22 Solubility at 100 degrees (g/10mL) benzoic acid: ...

chemistry
Oxygen gas and aqueous benzoic acid react to form carbon dioxide gas and water gas. Determine the mass of water in grams if 5.43×104 milligrams of oxygen reacts with an excess of benzoic acid. I balanced the equation to 2C7H6O2+15O2=14CO2+6H2O

Chemistry
The solubility of compounds containing the carboxylic acid group can be increased by reaction with a) sulfuric acid b) nitric acid c) sodium hydroxide d) water e) benzoic acid Would it be sodium hydroxide since it is a base?

Organic Chemistry
How do I write a balanced equation for the synthesis of benzoic acid using the grignard reagent. To make the grignard reagent I used 0.5g of Mg, 2 ml of ether, and 3.9g of bromobenze. then to make the benzoic acid I used CO2 and H3O+. I will really appreciate if anyone can ...

Chemistry
The pH of a 0.002 50 mol/L solution of benzoic acid is 3.65. Calculate the Ka for benzoic acid.

chemistry
how can you separate pure benzoic acid from a mixture of benzoic acid and sand?

Organic Chemistry
I realize this is a general chemistry stoichiometry question, however I can not fully grasp it. I am supposed to calculate the theoretical amount (volume) of 3M sodium hydroxide (NaOH) needed to convert 1.5g of benzoic acid to its salt. I got 0.012 moles of bezoic acid present...

chemistry
reaction of benzoic acid with propylamine. if there no reaction why

chemistry
How do I do a question like this please help and explain it!! Calculate the pH of a buffer solution that contains 0.22 M benzoic acid (C6H5CO2H) and 0.24 M sodium benzoate (C6H5COONa). [Ka = 6.5 × 10-5 for benzoic acid] Round your answer to two places past the decimal.

chem
What does the concentration of the benzoic acid in the original liquid and the extracting liquid relate to after the extraction is completed? Answer a. The density of the original liquid. b. The density of the extracting liquid. c. The solubility of benzoic acid in each liquid...

Chem
What structure do you get when you mix benzoic acid with H3O+? Where benzoic acid is a benzene ring with COOH attached to one of the hydrogens in the ring? Please help!

Chemistry
Determine the pH of the following solutions: a) A 250.0 mL solution that contains 0.125 M benzoic acid and 0.147 M sodium benzoate. b) The solution in part (a) after 30.0 mL of 0.510 M hydrochloric acid has been added. a. Ka = 6.3 x 10^-5 pKa = 4.20 pH = pKa+log(base/acid) pH...

chemestry
When you lowered the pH of your combined aqueous NaOH extracts, you observed precipitation of benzoic acid. Explain what happened during this acidification and why the precipitation of benzoic acid occurred.

chemistry
Benzoic Acid (HC6H5OO, 122.0 g/mol) has a Ka = 6.3 x 10-5. What is the pH of a solution that has 3.050 g of benzoic acid in enough water to make a 0.250 L solution?

Biochemistry
Calculate the pH of a mixture of one mole of benzoic acid and two mole of sodium benzoate dissolved in 1 L of solution. The pKa of benzoic acid is 4.2. What is the final molar concentration of the buffer?

Chemistry
The enthalpy of combustion of benzoic acid (C6H5CO2H) is -3228 kJ/mol. The burning of 1.698 g of benzoic acid in a calorimeter causes the temperature to increase by 2.865°C. What is the heat capacity (in kJ/°C) of the calorimeter?

Chemistry
The enthalpy of combustion of benzoic acid (C6H5CO2H) is –3228 kJ/mol. The burning of 1.698 g of benzoic acid in a calorimeter causes the temperature to increase by 2.865 ºC. What is the heat capacity (in kJ/ºC) of the calorimeter?

Chemistry
You are asked to prepare a pH = 4.00 buffer starting from 1.50 L of 0.0200 M solution of benzoic acid (C6H5COOH) and some added sodium benzoate salt (C6H5COONa). a) Find the pH of the benzoic acid solution BEFORE adding the salt. b) Use the Henderson-Hasselbalck equation to ...

Chemistry
You are asked to prepare a pH = 4.00 buffer starting from 1.50 L of 0.0200 M solution of benzoic acid (C6H5COOH) and some added sodium benzoate salt (C6H5COONa). a) Find the pH of the benzoic acid solution BEFORE adding the salt. b) Use the Henderson-Hasselbalck equation to ...

chemistry
how to get benzoic acid from a mixture of benzoic acid and salt?

chemistry
The enthalpy of combustion of benzoic acid,C6H5COOH, which is often used to calibrate calorimeters, is -3227kJ/mol. When 1.236g of benzoic acid was burned in a calorimeter, the tempurature increased by 2.345K. What is the specific heat of the calorimeter?

university chemistry
many cola soft drinks contain caffeine and benzoic acid (pKa 4.2), explain how you would isolate separately pure caffeine and benzoic acid from an aqueous solution containing both compounds

college chemistry
The enthalpy of combustion of benzoic acid,C6H5COOH, which is often used to calibrate calorimeters, is -3227kJ/mol. When 1.236g of benzoic acid was burned in a calorimeter, the tempurature increased by 2.345K. What is the specific heat of the calorimeter?

chemestry
the enthalpy of combustion of benzoic acid C6H5COOH, which is used to calibrate calorimeters usualmete is -3227 kJ mol-1. burning 1.453g of benzoic acid into a calorimeter, the 2,265 ° C temperature increase what is the heat capacity of the calorimeter?

organic chemistry
1)Why benzoic acid is soluble in NaOH? 2)Why HCl is insoluble in titration of benzoic acid and NaOH? Benzoic is soluble in a solution of NaOH because the base forms the sodium salt with the acid to form sodium benzoate. The sodium salt is soluble. The second part of your ...

chemistry
you extract 10 g of benzoic acid from an ether solution with aqueous NaHCO3 what is the min amount of concentrated HCl (37% by w/v%) that would be needed to convert the sodium benzoat back to free energy? (answer: 8.2 mL) I know that the 37% is basically 37g/ 100ml but how ...

Organic Chemistry
What is the mechanism of action between between benzoic acid (C6H5COOH) and sodium bicarbonate (NaHCO3)? I need to know where the electrons go in the acid-base reaction.

biochemistry
The pH of 0.02M solution of a weak acid was measured at 7.6. What is the [OH-] in this solution? B) The Ka for benzoic acid is 6.4 x 10-5M. 150 ml of 0.1 M NaOH is added to 200 ml of 0.1 M benzoic acid, and water is added to give a final volume of 1 L. What is the pH of the ...

Chemistry
Mols benzoic acid = 12.2g/122.12g = 0.0999 Int. Concentration of Benzoic acid = 0.0999 mol/ 0.500L = 0.1998 M Ka = 6.3 x 10-5 = (x)(x)/0.1998 – x X = [H+] = * M pH = -log(*) = * Sorry, this question is just really confusing me..

Chemistry
The \rm p \it K_{\rm a} of this reaction is 4.2. In a 0.74\it M solution of benzoic acid, what percentage of the molecules are ionized?

Chemistry
The solubility of benzoic acid in water is 2.56g in 100cm3 at 79 C and 0.29g in 100cm3 at 20 C. What is the minimum volume of water in which 1g of benzoic acid can be dissolved at 79 C? I set up a dimensional analysis but since the question gives 2 sets of results, I do not ...

AP Chemistry
DrBob222 PLEASE HELP Hf of CO2 = -393.5 kJ/mol Hf of H2O = -285.8 kJ/mol The combustion reaction for benzoic acid C6H5CO2H(s) + 15/2 O2(g) → 7 CO2(g) + 3 H2O(ℓ) has ∆H0 = −3226.7 kJ/mole. Use Hess’s Law to calculate ∆H0f for benzoic acid. 1. &#...

Chemistry
Calculate pH of a solution by mixing 15.0 mL of .50 M NaOH and 30.0 mL of .50 benzoic acid solution (benzoic acid is monoprotic, its dissociation constant is 6.5 x 10^ -5). I am not sure whether I am supposed to do it by acid-base titration way or to use the formula -log (Ka...

Chemistry
I don't understand ice table at all..can anyone please guide me in how to solve the following question? : The pH of a 0.00250 mol/L solution of benzoic acid is 3.65. Calculate the Ka for the benzoic acid. (This question does not state that the given concentration is an ...

chemisry
Q2. Distinguish between the following- 1. CH3OH and C2H5OH 2. Phenol and methanol 3. 1-Propanol and 2-Methyl-2-propanol 4. Ethenol and 1-propanol 5. Propanol and propanone 6. Acetaldehyde and benzaldehyde 7. Benzaldehyde and benzoic acid 8. Propanoyl Chloride and propanoic ...

Organic Chemistry
The separation of a mixture of benzoic acid and benzoin in dichloromethane into its pure compounds by a combination of solvent extraction , distillation and recrystallization. Why is carbon dioxide evolved when the organic solution is shaken with sodium bicarbonate? what is ...

chemistry help !!!!!!!!!!!!!!!!
Benzoic acid react with NH2 group Draw the product of this reaction, name the new functional group produced, state the type of reaction that has occurred, name any other products of the reaction and briefly explain how you arrived at your answer.( one or two sentences.)

Chemistry
Separating a mixture of benzoic acid, acetanilide in dichloromethane An over zealous student decided to conduct this experiment by distilling all the dicholoromethane at the very beginning and then separating the solid residue of benzoic acid and acetanilide by ...

CHEM-102
Calculate the pH of a solution prepared by mixing 10.00mL of 0.50M NaOH and 20.00mL of 0.50M benzoic acid solution. (Benzoic acid is monoprotic; its ionization constant is 6.7x10^-5).

Chemistry
What would you do in order to solve this question: "The enthalpy of combustion for benzoic acid is -3223.6kj/mol. Use the values of the standard enthalpies of formation of liquid water and CO2 to calculate standard enthalpy of formation of benzoic acid."

chemistry
predict the order of increasing acidity of the compounds. Give a brief explanation why. Butanoic acid-Nexanoic acid-Benzoic acid-Acetic acid. thx

Chemistry
what are the other chemistry forms present in the dichloromethane solution besides the normal neutral forms for benzoic acid and quinine? (benzoic acid,pKa 4.2; quinnie, pKa 8.5)

Chemistry
An etheral solution contains benzoic acid, 9-fluorenone, abd ethyl 4-aminobenzoate. Why would benzoic acid and 9-fluorenone not be extracted from this etheral solution by aqueous HCl ?

ochem
You have a mixture composed of 90% benzoic acid and 10% naphthalene. Benzoic acid has a melting point of 122.4 oC, while naphthalene has a melting point of 80.2 oC. You can say with certainty that the melting point of the mixture will be: A. greater than any of the two melting...

Ochem
A student needed to determine the percent composition of a mixture that contained fluorene and benzoic acid. The student took 283 mg of the mixture and used the extraction method to separate the components. Then both compounds were recrystallized and dried. The experiment ...

Chemistry
The combustion of benzoic acid releases 26.38kJ/g and is often used to calibrate a bomb calorimete. The combustion of 1.045g of benzoic acid caused the temperature of the calorimeter to rise by 5.985 degreeC.Using the same calorimeter, a sample of 0.876g of C8H18 was burned. ...

neha
balanced equation for benzoic acid+alkaline KMnO4

Chemistry h/w
Hi, this is my first lab in 2nd semester of chemistry, and im not sure about my answers in the assignment can someone give it a quick look to check them? this is my phase diagram: tinypic. com/view.php?pic=1605yev&s=7 p.s. ignore the lone red dot its supposed to be 38C.. there...

chemistry h/w
Hi, this is my first lab in 2nd semester of chemistry, and im not sure about my answers in the assignment can someone give it a quick look to check them? this is my phase diagram: tinypic. com/view.php?pic=1605yev&s=7 p.s. ignore the lone red dot its supposed to be 38C.. there...

chemistry
A 0.25 mol/L solution of benzoic acid, KC7H5O2 and antiseptic also used as a food preservative, has a pH of 2.40. Calculate the Ka of benzoic acid at SATP My work: C6H5COOH --> C6H5COO^- + H^+ Ka = (C6H5COO-)(H+)/ C6H5COOH I know my next steps are to use pH = log(H+) to ...

Chemistry III
Assume you dissolve 0.240 g of the weak acid benzoic acid, C6H5CO2H, in enough water to make 1.16 102 mL of solution and then titrate the solution with 0.153 M NaOH. C6H5CO2H(aq) + OH -(aq) C6H5CO2-(aq) + H2O(l) (a) What was the pH of the original benzoic acid solution? (b) ...

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