. Find the pH of a buffer made by mixing 0.05M pyruvic acid with 0.06M sodium pyruvate. Ka for pyruvic acid =3.1x10-

Q: Mercy is experiencing a fever. Upon taking her temperature, it was found out the she has a temperatu...

A: Hence 3rd option is correct that is 1.43

Q: he initial concentration or

A:

Q: What type of alcohol is produced from the reaction of carboxylic acid with Grignard reagent?

A: Given, When the reaction of carboxylic acid with Grignard reagent is produced:

Q: 2 Sodium azide, NaN, is used in automotive air bags. Upon decomposition, it produces sodium and nitr...

A: The balanced chemical reaction is  2 NaN3 gives Na + 3 N2 So, 2 mol NaN3: 1 mol Na 2 mol NaN3: 3 mol...

Q: Calculate the entropy change for 200.0 g of N2 gas that is compressed from a pressure of 0.715 atm t...

A: Mass of N2 gas = 200.0 g  Initial pressure = 0.715 atm  New pressure = 1.16 atm  Temperature : const...

Q: 7. Freezing point of pure Naphthalene from cooling curve- 8. Freezing point of solution 9. AT 10. Mo...

A:

Q: Latimer diagrams for oxygen and iron under standard conditions are shown below. (a) Write down two ...

A: Given ,  Latimer diagram  O2   → +0.68 V   H2O2 →+1.78 V     H2O

Q: Iodine-131 is used in the diagnosis and treatment of thy- roid disease and has a half-life of 8.1 da...

A: Given data: The half-life of iodine-131 = 8.1 days The initial amount of the sample= 10 μg

Q: An empty graduated cylinder has a mass of 42.817 g. When filled with 50.0 mL of an unknown liquid, i...

A: Mass of empty graduated cylinder=42.817 g Volume of liquid =  50.0 mL  Mass of graduated cylinder + ...

Q: With increasing polarity of solvent, the UV-Vis absorption band shifts to shorter wavelength for ans...

A: We have to tell with the increasing polarity of the solvent, the UV-VIS absorption band shift to sho...

Q: You want to make a solution of loading dye with a final concentration of 0.35% bromophenol blue, 0.1...

A: Part 1 0.35 % Bromophenol blue = 0.35% * 60 ml = 0.21 ml = 0.21 grams   0.15 % Xylene Cyanol = 0.15%...

Q: Sulfur (S8), combines with oxygen (O2) at elevated temperatures to form sulfur dioxide. How many sul...

A: A question based on molecules that is to be accomplished.

Q: The calibration curve for FD&C yellow #5 dye has a slope of 35188 L/mol with an intercept of 0.007. ...

A: Given: Calibration curve for FD&C yellow #5 dye has Slope = 35188 L/mol Intercept = 0.007 Averag...

Q: How much HNO3 can be formed in the following reaction if 3.8 kg of NO2 gas are bubbled through 1.0 k...

A: Mass of NO2 = 3.8 kg  Mass of H2O = 1.0 kg  Mass of HNO3 = ? 

Q: Draw the skeletal (line-bond) structure of (S)-1-ethoxy-2-methylhexane. Use dash or wedge bond to in...

A: Answer: This a question based on stereochemistry in which two molecules have similar molecular formu...

Q: What is the product of the following reaction?

A:

Q: Molecule ЕPG Нyb (circle if polar) 2D Lewis Structure 3D Lewis Structure MG ВА H2SO4 N2H2 XeBr4

A:

Q: To simulate the pH of blood, which is 7.4, an undergraduate researcher in a biology lab produced a b...

A:

Q: It is process in which atoms undergoes  an increase in oxidation number in called? Select one: a. R...

A:

Q: For each of the buffer systems below, determine the concentration of the acid and base components in...

A: Since you have asked multiple questions, we will solve the first one for you. For remaining question...

Q: 3.47 Draw an energy diagram for a two-step reaction that releases energy and whose first step is fas...

A: As during the reaction, the energy is released. Thus the reaction is exothermic reaction.  Transitio...

Q: 6. Draw the plane in the unit cell, given the MI of the plane. Indicate the point of origin, O. Dete...

A:

Q: Table 2. Calculations ~60°C trial ~50°C trial ~40°C trial ~30°C trial ~20°C trial Vol. of HCI used (...

A: In the given experiment the titration of borate with hydrochloric acid is being carried out at diffe...

Q: 3. What can you determine about

A:

Q: 4. Delo W snows a spectrum Of nen IsSOIVed in Assign each peak to one of the carbons in acetaminophe...

A: The position of peaks in 13C for the given molecules mainly for the carbon atoms in aromatic unit he...

Q: Consider the following system at equilibrium where AH° = -87.9 kJ/mol, and Kc = 83.3 , at 500 %3D К....

A:

Q: 11) For an isolated system with no additional work (W'= 0), if its component can change, which of fo...

A:

Q: OH OH (b)

A:

Q: The reaction that occurs at anode in a dry cell ans. Oxidation of Carbon Oxidation of Mn02 Oxidation...

A: We have to tell which reaction occurs at anode in dry cell.

Q: 2 Isolation of caffeine from black tea lab Original solvent used was dichloromethane. Alternatively ...

A: Mix tea , dichloromethane and 0.2M NaOH and shake it well for 6-7 minutes. The organic layer will be...

Q: Draw the complete reaction mechanism of the following reaction. Explain each step

A: The reaction given is,  

Q: The rate constant k for a certain reaction is measured at two different temperatures: temperature k ...

A: Given data: The initial rate constant = 3.6 ×109 The final rate constant = 1.3 × 109 The initial te...

Q: To get electrical energy from an Galvanic cell the emf should ans. Positive None Zero Negative

A:

Q: How many grams of ascorbic acid must be dissolved in 0.15 liters of water to produce a 0.3 M solutio...

A:

Q: What would be a better solvent for hydrochloric acid: phosphorus pentafluoride or butanoic acid? Exp...

A: A question based on solutions that is to be accomplished.

Q: How many grams of NaCl are contained in 100.0 mL of a 7.39 M solution? Round to the hundredths place...

A:

Q: Show complete calculations for the pH of a 0.125M solution of acetic acid. The K, for acetic acid is...

A:

Q: A line graph shows the solubility of three solutes in ethyl alcohol. Solute A is the violet line, So...

A: the answer are as follows:  

Q: What happens to the rate of an Sy2 reaction when both [RX] and [:Nu ] are halved? The rate (select) ...

A: In the case of SN2 reaction,the rate depend on both the reactant and nucleophile  That is rate (R1)=...

Q: In phase coupling increases the intensity. O True O False

A: In phase compiling to phase couple ,so intensity increases

Q: Give the meaning of the following acronyms? номо LUMO

A: Acronyms are used for the convience of people ( person ) .

Q: 11 Asolution contains 0.0123 M KCl and O.0115 MNACI. Calculate the expected pCl of the solution. Typ...

A:

Q: Group - B Find out correct R &S nomenclature for the following structure of tartaric acid. ÇOOH H- H...

A:

Q: D D m) 3-hexyne to each of the folowing deuterated alkenes: CH;CH, CH, CH3 CH3 CH2 D and D CH, CH3 n...

A: Lindlar catalyst -  It is heterogeneous catalyst  that consist of pd deposited on calcium  carbonate...

Q: OH Dess-Martin's periodinane (DME thylamine) CH2CI2

A:

Q: Molecules of I2 are produced by the reaction of 0.3794 mol of CuCl2 according to the following equat...

A: Reaction :- 2 CuCl2 + 4 KI → 2 CuI + 4 KCl + I2 Number of moles of CuCl2 = 0.3794 moles  

Q: 5- Addition H2 to butyne give

A: Since you have asked multiple question, we will solve the first question for you. If you want any sp...

Q: KHC8H4O4 function as monoprotic acid. If 1.46 grams of the sample of impure KHC8H4O4 requires 34. 3 ...

A: Given Potassium hydrogen phthalate is a monoprotic acid

Q: A mixture of 0.20M acetic acid and 0.30M sodium acetate is given. Calculate the pH of the medium if ...

A: A. Following components are given in the equation: Concentration of acetic acid (proton donor) = 0.2...

Q: Which of the following trends is arranged in increasing wavenumber? form left to right! O C-H - C-O ...

A:

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.