In the laboratory, a general chemistry student measured the pH of a 0.552 M aqueous solution of triethylamine, (C2H5)3N to be 12.188. Use the information she obtained to determine the Kb for this base.

Q: What is this VSEPR shape? :Ci: CI: :CI: :CI CI: :CI : CI: Linear O See Saw Octahedral Trigonal Pyram...

A:

Q: 17.48 The molar solubility of AgCl in 6.5 × 10 M AGNO, is 2.5 X 10 M. In deriving K, from these data...

A: In the above question solubility of Agcl In AgNo3 have to consider. At equlibrium, rate of dissoluti...

Q: • oxygen atoms exist longer

A: In this question we have to explain that why oxygen atoms exist longer at 120-Km altitude than at 50...

Q: 3. For a certain ideal gas Cp= 8.58 cal/mol-deg, what will be the final volume and temperature when ...

A:

Q: Calculate the pH of the solution after the addition of each of the given amounts of  0.0584 M HNO3  ...

A: Concentration of aziridine = 0.0750 M pKa = 8.04 First we need to calculate Kb from the pKa We know,...

Q: c. In the brewing process, hops play an important role in imparting bitterness in the finished beer ...

A: Based on the structure of given alpha acids, we have to determine whether we can analyze them separa...

Q: . Ethane (C2H) has a heat of vaporization of 14,707 kJ g mol at 184.6 K. What is the estimated heat ...

A:

Q: chemist dissolves 312. mg of pure sodium hydroxide in enough water to make up 170. mL of solution. C...

A:

Q: What type of reaction is present and balance the equation : m.Na+HCl

A: Sodium metal react with HCl and produce salt and hydrogen gas 

Q: Calculate the pH using Henderson-Hasselbalch equation of a 50mL buffer solution made  from 0.20 M HC...

A:

Q: For the species in the reaction: 2Co(s) + H2(g) 8PF3(g) → 2HCo(PF3)4(l), which component is ΔH0f equ...

A: component is ΔH0f equal to zero is given below

Q: A chemist is studying the following equilibirum, which has the given equilibrium constant at a certa...

A:

Q: e the 4 quantum numbers for the electron circled in green in the electron ation chart below: 3d 4s 杜...

A: Given we have 3d orbital and have to tell quantum numbers.  

Q: explain the principle on how to determine the concentration of brine using salometer

A: In the question it is given to explain the principle to determine the concentration of brine using s...

Q: Question 9 Identify the type of isomerism exhibited by the following pairs of monosaccharides v D-gl...

A:

Q: Solid aluminum (Al)and chlorine (Cl,) gas react to form solid aluminum chloride (AICI,). Suppose you...

A: Given, Solid aluminium (Al) and chlorine (Cl2) gas react to form solid aluminium chloride (AlCl3). m...

Q: explain briefly the principle on how to determine the concentration of syrup using hand refractomete...

A: Answer:

Q: (CH;(CH,),CH,) reacts with gaseous oxygen gas (0,) to produce gaseous carbon dioxide (CO,) and gaseo...

A: Mass of octane = 8.00 g  Mass of oxygen gas = 36.7 g  Theoretical yield of water = ? 

Q: Applying the Le Chatelier's principle, predict the EQUILIBRIUM SHIFT in order to regain balance caus...

A:

Q: Which pair of particles have the same number of electrons  Choice A: F-,Mg2+ Choice B: Ne,Ar Choi...

A: An isoelectronic pair  is a group of ions that all have the same number of electrons. 

Q: Draw a diagram (picture) showing the principle species in solution as a function of pH for a mixture...

A: Formic acid dissociates as:   HCOOH↔HCOO-+H+                           (1)pKa,formic acid=3.75

Q: Consider the following set of quantum numbers: n = 0, 1 = 1, m(I) = 0, and m(s) = +½. This is NOT a ...

A: Quantum numbers describe the arrangements of electrons in orbitals of an atom. There are four quantu...

Q: Question 1 What is the Haworth representation of this ball and stick stucture? O HOCH2 0 OH OH OH OH...

A:

Q: Write the molecular formula of 2-methyl-1-butene. 2. Write the equation if the 2-methyl-1-butene wil...

A: As per the guidelines we are supposed to answer the first three sub parts to be solved another sub p...

Q: How many electrons are in the n = 2 shell in a neutral magnesium atom and  How many electrons are in...

A: Calculate number of valence electrons in their respective shells---

Q: he AH for the reaction belo

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

Q: Given the standard enthalpy changes for the following two reactions: (1) 2Ni(s) + 02(g)→2NIO(s) AH° ...

A: We have to find the standard enthalpy changes for the given reaction.

Q: 3. If the solution with the pH of 2.30 had a concentration of 0.05 M, what is the percent ionized fo...

A: P.S.: According to the company guideline we have to answer the first question. So, please kindly pos...

Q: Propose an efficient synthesis for the following transformation: OH Ph Ph he transformation above ca...

A: Grignard reagent is the source of nucleophile undergoes nucleophilic addition reaction on the carbon...

Q: A chemist measures the amount of oxygen gas produced during an experiment. He finds that 66.6 g of o...

A: Mass of oxygen given 66.6 gram

Q: For the following reaction: 312) + PbO(ag)→ PbI6) + L0(). If the mass of I2O changes from 2.5 g at t...

A: The rate of the formation of the product or the rate of disappearance of the reactants is known as t...

Q: Composition Practice ☆回凸 Format Tools Add-ons Help Last edit was 10 days ago Normal text Arial 11 BI...

A:

Q: Identify the 4 quantum numbers of the 17th electron of Strontium

A: Identify the 4 quantum numbers of the 17th electron of Strontium

Q: The chemical structure of propene (CH,CHCH,) is shown below. Highlight each atom that is in a methyl...

A: Methyl group : It is the functional group derived from methane and it contains one carbon atom bonde...

Q: Question 1 of 10 Many enzymes are irreversibly inhibited by heavy metal ions such as Hg. Cu, or Ag*,...

A:

Q: Stoichiometry with Partial Pressure Gas jar Gas collects here Trough of water |Bee hive shelf Reacti...

A:

Q: When the temperature in one day is 27.5.1 * oC , it equals in Fahrenheit scale

A:

Q: sigma bonds a

A:

Q: Arrhenious equation

A: In this question we have to explain when calculating the k in Arrhenious equation what we are assump...

Q: moles of:

A:

Q: Find an expression for an ideal gas's (∂S/∂P)T. Then, given a sample containing 2.00 mol Ne (ideal g...

A: Given and what to find:-

Q: Tetrodotoxin (Kishi et. al, 1972) HO, N. SnCl4 CH3 CH3CN 2.

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

Q: 1) In the past you have learned that bismuth (Bi) is a metal that can lose 3 electrons and become Bi...

A: We have given Bi atom and it's 3 ions.

Q: ect one: True False

A: As we know,  exothermic reactions are reactions in which heat is evolved to surroundings. So, entrop...

Q: Write all pertinent computations to justify your final answer. Final answers must be enclosed with a...

A: a. baking soda, pOH = 5.7 b. Soap solution, H+ = 1 x 10-12 c. eyewash, pH = 7.4 d. vinegar, pOH = 11...

Q: 6.11 Ar-meson with a kinetic energy of 140 MeV decays in flight into u-meson and a neutrino. Calcula...

A:

Q: (i) Draw the structure of styrene. (ii) Markovnikov's rule. Outline the mechanism when styrene react...

A: Introduction In Markovnikov's addition reaction, the negative part of the attacking molecules (like ...

Q: Lastly, explain the advantage(s) of using a temperature gradient for GC rather than having the oven ...

A:

Q: When 66.4 g nitrogen and excess oxygen react, nitrogen dioxide is generated. If the NO2 is collected...

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.