9. Instruction for making up a buffer say to mix 0.600L of 0.100M NH3 with 0.40L of 0.100M NH4 What is the pH of buffer? Kb = 1.8 × 10–-5 NH3+ H2O    ->      NH4+ +OH-

Q: Why is chemical bonding related to reality? State your answer in four (4) sentences only. 2. How do...

A: All molecules and compounds have chemical bonds.

Q: What volume of titanium isopropoxide is required to form 10 ml of a solution in which it is 0.2 M? T...

A:

Q: Why is this Beckmann rearrangemnt useful for the synthesis of acetaminophen?

A: A question based on introduction to organic chemistry that is to be accomplished. 

Q: tandard free energy of formation, A calculated result compare to the

A:

Q: How do I find the ml in quantum numbers

A: How to find ml in quantum number = ? 

Q: A solution of table sugar in water contains 5.25% by mass sucrose. Calculate: a)the mass of sucrose ...

A: To find out mass of sucrose first check mass in 5.25% solution. Use that relation to find mass of su...

Q: Givem this IR Spectra: Which compound is represented by this spectra?     Heptanone     Hepte...

A: IR spectroscopy is an important tool for the determination of the functional group in the compound. ...

Q: Draw the mechanism of the favorable reaction of CH3CO2H and sodium ethoxide (CH3CH2O-Na+) through ac...

A: Bronsted-Lowry acid-base theory: The Bronsted-Lowry acid-base theory states that the acid is a subst...

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

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

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: Experimental data shows the water-alcohol proportion at 60°C Mole fraction of 0.00 0.05 0.27 0.44 0....

A:

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

A: The temperature of Mercy is = 101.354 degrees F The normal body temperature of human is = 37.1 degre...

Q: Consider the following system at equilibrium where AH° = -111 kJ, and Kc = 0.159, at 723 K. %3D N2(g...

A:

Q: caffeine contains 49.48 C,5.10%, H, and 28.85% N, (assume the rest is oxygen) What is caffeine's emp...

A: In chemistry, the empirical formula of a chemical compound is the simplest whole number ratio of ato...

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: Write net ionic equation for reaction that occurs when aqueous solutions of perchloric acid and ammo...

A: Given, The reaction occurring between aqueous solution of perchloric acid (HClO4) and ammonia (NH3)....

Q: Which solution has lower vapor pressure? A.) a 0.2M KNO3 Solution B.) all four solutions given have ...

A: Colligative properties : Those physical properties of a solution which depend upon the number of par...

Q: (Q89) The hydrolysis of sucrose to form fructose and glucose is a first order reaction that has a ha...

A: Initial concentration of sucrose = 0.879M Final concentration of sucrose = 0.363M Half life time = 2...

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: Which of the following is considered as IR active? O Symmetric Molecule O homonuclear diatomic group...

A: The dipole moment of the mentioned  group of molecule is the deciding factor for their activities in...

Q: Molecule ЕPG Hyb (circle if polar) 2D Lewis Structure 3D Lewis Structure MG ВА IBT5 HCN

A: Solution                      Given compounds are IBr5 or HCN  

Q: Solutions of sodium carbonate and silver nitrate react to form solid silver carbonate and a solution...

A: Given: Mass of sodium carbonate i.e. Na2CO3 = 9.25 g. And mass of silver nitrate i.e. AgNO3 = 5.50 g...

Q: 1. For each of the following pairs of solute and solvent, predict whether the solute would be solubl...

A: We have find out the solubility of solute

Q: Part III. Draw the structure of the following organic compounds. 1. 6-ethyl-2-octyne 2. 4-ethyl-2,3-...

A: Dear student, As you have asked the multiple part question but according to the guidelines we will a...

Q: HO Но H- H -HO- 1.) HO. + Resorcinol/dilute HCl

A:

Q: Complete the following reaction scheme. A H H,0, H,O* HBr, H,02 Br, H,0 conc. H,SO, H;C- CH3 G H,, P...

A: Since you have posted question with multiple sub-parts, we are entitled to solve the first 3 only. T...

Q: The density of mercury is 13.6 g/cm³. What us the mass of 6.50³ of mercury?

A: Given, density of mercury = 13.6g/cm3 volume of mercury = 6.50 cm3 mass = to be find out

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

A:

Q: write the electronic congratulations of calcium whose atomic number is 20 and mass number is 40.

A: Given,  calcium whose, atomic number is 20 and mass number is 40. 

Q: When May an expression be simplified and when must the quadratic equation be used? in solving a prob...

A:

Q: An ē at its excited state is stable unti it  return  to its ground state. If an ē jumped more than o...

A: An electron jumps from a lower energy level to a higher energy level by absorbing some energy. More ...

Q: An empty steel container is filled with 5.40 atm of H2 and 5.40 atm of F2. The system is allowed to ...

A: The balanced reaction given is, => Given: Initial pressure of H2 = 5.40 atm = Initial pressure o...

Q: CHEM. 345 Experiment name: Elevation of the boiling point. Q.1:-Purpose Q.2:-Theory O 3:-Discussion

A:

Q: 3) Which of the ff compounds have higher bp and why? a) b) он но

A:

Q: Directions: Read each item carefully and select the letter of the best answer. Flask Flask 3 Flask 2...

A: 1) Each of these flasks contains the same number of molecules of gas at the same temperature.   

Q: In a chemistry experiment, what be some possible errors with regards to inaacuracy of data if you wi...

A: A question based on tools in analytical chemistry that is to be accomplished.

Q: 2.1. rules me the complete procedure you will use in the lab use by using solubility

A: A question based on analytical separations that is to be accomplished.

Q: What is the hydronium ion concentration in an aqueous hydrobromic acid solution that has a pOH of 12...

A: Hydrogen ion concentration is an important parameter of an aqueous solution. The concentration of th...

Q: What is the empirical formula of a compound that is 40% carbon, 7% hydrogen and 53% oxygen by mass (...

A: ANSWER : Option (ii) CH2O is correct answer. Solution: Empirical formula  of a compound = ? that is ...

Q: 5. The solubility of CO2 gas in water is 25°C atmospheric conditions? (The partial pre obeys Henry's...

A: Given Data :  1. Molar concentration = 0.034 mol/L  2. Pressure P = 1 atm. 3. Partial pressure of CO...

Q: 9) Predict the reactants for the ff products: SH (a) CH3OCH2CH2CH3 (b) „OCH3 (c) (d) CH3 CH3CHSCH2CH...

A: the reactants are as follows:  

Q: A 2.135g sample of a gaseous chlorofluorocarbon occupies a volume of 315.5 mL at 739.2 torr and  26....

A:

Q: Explain the significant difference in the K value of [M(en)3]³+ for copper and nickel. Demonstrate w...

A: B.This significant difference occurs because large difference between transition from Cu2+ to Cu3+ w...

Q: 100 95 90 85 80 75 70 4000 3000 2000 1000 Wavenumbers (cm) -1030 -1134 -1373 -1462 1712 -2877 -2962 ...

A: The IR spectra given here belongs to 4-Heptanone.

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: Objective: Create a graph showing the phase change of water from a solid to a gas. Do this on a grap...

A: The data given is temperature vs time. 

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: What is the molarity of a solution of H2SO4  if 25 mL of this solution requires 32.15 mL of a 0.600 ...

A:

Q: How many moles are there in 7.14 × 10³⁵ molecules of O2 Use the format for solution • Given • Unknow...

A:

Q: 4. A buffer is prepared containing 1.00 M acetic acid and 1.00 M sodium acetate. What is its pH?

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.