Benzoic acid and water were added to the test tube labeled "b.a." After stirring the mixture, sodium hydroxide (NaOH) vas added until the solid disappeared. Finally, hydrochloric acid was added drop by drop until blue litmus paper turned red. The solid present in the test tube after the addition of HCI is most likely: benzoic acid benzyl acetate O benzyl chloride sodium benzoate

Q: What is the stereochemical relationship between the compounds below? HO -H- LOH HO H- но- но- -H- H3...

A:

Q: The following reaction has only one elementary step. Which of the following statements is false? + O...

A: The correct option is:  

Q: H2N- -ОН HO SOCI, Ме ОН Ме Ме

A: Given, 

Q: Find the uncertainty ox in x as a function of the uncertainties ou and oy in u and v for the followi...

A: Solution.                       Given that (a) x = 1/2(u + v) (b) x = uv^2 (c) x = u^2+v^2    

Q: What is the major organic product of the following reaction? 1. NANH2 2. CH3CH2I NH2 %3D II IV

A:

Q: If you combine 250.0 mL of water at 25.00 °C and 110.0 mL of water at 95.00 °C, what is the final te...

A:

Q: If 801 J of heat is available, what is the mass in grams of iron (specific heat = 0.450 J/g °C) that...

A: For the first question simply it follows the  q= ms∆t equation.   For the second one it is the case ...

Q: CO2ET OH Me Ме LIAIH4 H.. Me. Me H.. Me Et20 RT Me Ме Ме

A:

Q: In a purity check for industrial diamonds, a 10.25-carat (1 carat = 0.2000 g) diamond is heated to 7...

A:

Q: Mass of Zinc and Iodine was taken during the reaction is - zinc - 2.06 g, iodine -2.15 g dry iodin...

A:

Q: Three titration trials were performed and three molar concentrations of NaOH were calculated. The th...

A: We would use formula to calculate standard deviation . 

Q: topic:  Proper Use and Calibration of the pH meter Calibration is done using buffer solutions every...

A: Calibration is done using buffer solutions every time the pH meter is used:

Q: What is the pH at the equivalence point of a weak acid titrated with a strong base? (Hint: what are ...

A: The acidity or basicity of a solution is measured by the pH of the solution. If the pH is 7, the sol...

Q: 4.) Use retrosynthetic analysis to show how hex-3-yne can be prepared from acetylene and any other o...

A: In presence of BH3 , H2O2/OH- ,  alkyne group converts into aldehyde or keto group. This is hydrobor...

Q: Calculate the molar mass of ammonium sulside.

A: The molar mass of ammonium sulfide can be calculated as

Q: A 1.0 M solution is made with the imaginary polyprotic a For this acid, Ka1 = 1x 10-6 and K2 = 1 x 1...

A: Here we have to determine pH of 1.0M aqueous solution of polyprotic acid H2A. Ka1=1×10^-6 and Ka2= 1...

Q: A solution is titrated with AGNO, to determine the CI- concentration. At the endpoint is a colloidal...

A: As precipitate of AgCl forms it preferentially absorbs Ag+  ions and develops positive charge on sur...

Q: Given the following half reactions, which is the reducing agent? 6H* + VO, + Fe?"→ 3H¿O* + VO2* + Fe...

A: A reducing agent is defined as a substance which reduces another substance and itself gets oxidized ...

Q: (CH2OH)2, TSOH H H le, le PhH Me., Me 80 °C, 5 h

A: There is protection of ketone in presence of diol in acidic medium.

Q: e numbers to order the substances by increasing boiling point. Let #1 be the substance with the LOWE...

A:  

Q: Which of the following is the product for the given reaction? HNO3 ? H2SO4

A:

Q: Ме Me KH, n-BU3SNCH21 Н Me Me. SnBu3 THE 13 Me Me Ме Ме

A:

Q: At 300 K consider a colloidal solution, M = 150 kg/mol, in a gravity field. If the concentration of ...

A:

Q: What is the starting material in the following reaction? 1. NH2 2. CH;CH,Br II II IV

A:

Q: A 25.00 mL solution of 0.08880 M Nal is titrated with 0.05200 M AgNO,. Calculate pAg* following the ...

A:

Q: 2. Assign the absolute (R or S) configuration to each stereocenter in the molecules depicted below. ...

A: To assign R and S configuration to a chiral centre we have to give numbering to the four groups acco...

Q: 5. Which of the following elements requires the greatest amount of energy to remove its outermost el...

A: For electronegative elements or elements which are very near to attain noble gas configuration,  it ...

Q: What happens if the solvent concentration falls below that of the silica stationary phase? What is t...

A: The chromatography technique consists of two phases mobile and stationary phase .Mobile phase is the...

Q: Predict the reactants of this chemical reaction. That is, fill in the left side of the chemical equa...

A:

Q: а. NH2 OMe N. EtzN, THF b. Me2N Me2N 1. LIAIH4, THF 2. H3O*, H20

A:

Q: What is a molecule that fits these three criteria: It should have a molar mass between 180 and 280 ...

A:

Q: 12. The mass and % abundance for the four isotopes of chromium is given in the table below. Isotope ...

A: Given,

Q: Why is agron the smallest than the other elements in period 3?

A:

Q: Zn(s) + What is the effect on the cell potent The pressure of H2 gas is increased in the cathode. а....

A:

Q: 4) This is (d)-epinephrine (adrenaline). It is a chiral molecule that kicks in when your brain think...

A: Chiral centre is that is connected with four different groups or atoms.  R/S nomenclature of the is ...

Q: C. Draw the chemical structure for each of the following: Ex. 2,3-dimethylpentane CH3 CH3 CH-CH-CH-C...

A:

Q: d +3 B= 3x3 Evaluate : D•ABF(x)

A:

Q: What is the difference between a bleach safe for white clothes and those that are considered safe fo...

A:

Q: A salesman claims that your tap water is contaminated. As evidence, he connects a battery to a pair ...

A: Water is essential for all life on Earth. Water is required for the synthesis and structuring of cel...

Q: Seawater has a pOH of 6.0. Calculate the hydroxide concentration in mol / L

A:

Q: A sample of 7.50 mol of gas in a 10.00 L container is at 45.0 °C. What is the pressure of the gas?

A: We would Calculate pressure of the gas using ideal gas equation. 

Q: Consider the molecule shown below. NH2 Он Which of the following statements is true regarding this s...

A: To predict the correct option we have to draw proper chair conformation where it faces less steric i...

Q: When 5.93 g of potassium sulfate (K,SO4) is dissolved in 111 g of water in a styrofoam calorimeter o...

A:

Q: A 5.16% (w/v) of aqueous glucose has mL of solution. g of glucose in 150.0

A: Given :-  % (w/v) aqueous glucose solution = 5.16%  Volume of solution = 150.0 mL  To calculate :- m...

Q: A patient is having an allergic reaction and takes a 25.0 mg tablet of the over‑the‑counter antihist...

A: Given that, a patient has an allergic reaction and takes a 25.0 mg tablet of an antihistamine diphen...

Q: 1. Many organic reactions approximately double their rates for each 10 °C rise in temperature. Do yo...

A: Electrophilic aromatic substitution (EAS) refers to the substitution reaction with benzene by electr...

Q: Consider the reaction for the production of urea used in synthesizing fertilizers: + 2NH, 2 (g) CO(N...

A:

Q: 1 Listen A titration is started by adding 25.00 mL of 0.200 M NAOH into a flask and then titrating i...

A: Reaction takes place is :-  HCl + NaOH -----> NaCl + H2O  Molarity of NaOH = 0.200 M Volume of Na...

Q: 1. There are three naturally occurring isotopes of silicon: Si-28, Si-29 and Si-30. If Si-28 makes u...

A:

Q: thermometer A 54.2 g sample of polystyrene is put into a calorimeter (see sketch at right) that cont...

A: Given data, For polystyrene, m= 54.2 g, T1=92.7 °C , T2= 32.6 °C  Cp of polystyrene= ?  For water , ...

Amines

Amines are organic compounds with a nitrogen atom having a lone pair of electrons on it. They are derived from ammonia (NH3) wherein hydrogen atoms are substituted by an aryl or alkyl group.