Give  a mechanism for the following  Copper-mediated Chan-Lam coupling of aryl boronic acids and benzoic acids.

Q: How much heat will be absorbed when 38.2 g of bromine reacts with excess hydrogen according  to the…

A: Given :-  H2 + Br2  + 72.80 kJ → 2HBr  To calculate :-  Amount of heat absorbed when 38.2 g of…

Q: 16. The combustion of cyclopropane is as follows: Known bond strengths (KJ/mole) C-H 413 C=0 799 O-H…

A: ∆Hrxn can be calculated u sing bond energies.  For this we count number of moles of each bond broken…

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Q: C. %23 The wavelength and frequency of an electromagnetic wave are related to each other through the…

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Q: Exactly 500 mL of 0.058 M MgCl2 are mixed with exactly 300 ml of 0.0019 M K2CO3. Will a precipitate…

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Q: We can see Charles's law in our kitchens also. Using a yeast as an ingredient, how is Charles' law…

A: According to Charles law,  Volume of a gas is directly proportional to the temperature of gas at…

Q: At the lowest energy level a-helix of polypeptide chain is stabilised By hydrogen bonds formed…

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Q: 11. 3.5 L of water containing 0.61 moles of NaOH would have a molarity of- 0.17 M 5.7 M a. 4.1 M 2.1…

A: Given,  Number of moles of NaOH = 0.61 mole  Volume of solution in L = 3.5 L  Calculate the molarity…

Q: ID: B The molarity of an aqueous solution of NaCl can be defined as- 10. moles of NaCl per liter of…

A: ★ Answer : Correct option is  'a'   ★ Solution : * Concentration :  The measure of the amount of…

Q: For which of the mixtures will Ag2SO4(s) precipitate? 150.0 mL of 0.10 M NazSO4(aq) and 5.0 mL of…

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Q: Arrange the aqueous solutions from the most acidic to the most basic, at 25 °C. Acidic Basic Answer…

A: pH scale is a scale used to measure the acidity or alkalinity(basicity) of aqueous solution. It…

Q: 9. Name:

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

Q: Calculate the Enthalpy of change in Kj/mol and % difference in the neutralization reaction below:…

A: Given neutralization reaction:

Q: Construct the octahedral crystal-field splitting diagram for the metal in each species. V(H2O)63+…

A: Construct the octahedral crystal field splitting diagram for the metal in each species :…

Q: 2. Find the value of Q and determine which direction the reaction will shift in order to reestablish…

A: Answer: Given chemical equation is: HCl(g)+NaOH(aq)↔NaCl(aq)+H2O(l) Given data:…

Q: Which of the compounds is more soluble in an acidic solution than in pure water? AIPO4 O CSCIO4 Cas…

A:

Q: Calculate the Enthalpy of change in Kj/mol and % difference in the neutralization reaction below:…

A: The balanced neutralization reaction is: HNO2(aq) + NH3(aq)  ----> N2(g) + 2H2O(l) ; ∆Hrxn = -…

Q: Determine the %w/w of Na2CO3 in a 2.7518 g sample that was titrated by 41.92 mL of 0.6108 M HCl.…

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Q: At constant volume, the heat of combustion of a particular compou (molar mass = 162.47 g/mol) was…

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Q: 9. A chemist is conducting an experiment in which 500 grams of C12H22011 must be dissolved in 1liter…

A: We have to dissolve 500 gm C12H22O11 into 1 lit water.

Q: 4 olo Spotify Web Playe M CommoH Ethical D. O CHEMICAL REACTIONS I OO 1/3 Using a chemical equation…

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Q: O How many grams of a 15.2 % NAOH solutions are required to raise the concentration of a 150 g of an…

A: Given: Mass of initial solution = 150 g. Concentration of NaOH in initial solution (%(m/m)) = 8.4 %…

Q: Which one is smaller?    Mg or Sr

A: Atomic number of Mg = 12  Atomic number of Sr = 38

Q: The molar heat capacity of the compound whose formula is C2H6SO has a value of 88.0 J/mol-K. The…

A:

Q: Suppose a 500. mL flask is filled with 1.0 mol of I, and 1.6 mol of HI. The following reaction…

A: We have to predict the equilibrium concentration of iodine gas.

Q: 1.Explain what is anomeric effect and why it happens?

A: As there are two questions ,I am solving the first question.

Q: 15. For the following reaction, write how the each of the changes will affect the quantity of each…

A: According to Le chatellier 's principle, by change in any external parameters, reaction will arrange…

Q: 2/5 Question 2 Charles was drawn to the study of gases in the late 18th century because of his…

A: When pressure and mole is constant then  P/T = constant

Q: What volume of 1.772 M BaCl2 is needed to obtain 123 g of BaCl2?

A: BaCl2 = Barium Chloride Molecular weight of BaCl2  = Atomic wt of Ba + Cl x 2…

Q: Valine (HV) is a diprotic amino acid with Kal = 5.18 x 10 and Ka2 = 1.91 X 10". Determine the pH of…

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Q: 4. Based on the Keg, is the reaction product favored or reactant favored or neither? a. Keq= 8.67 x…

A: Identify the reaction is product favoured or reactant favoured ??

Q: A sample of gas (24.2 g) initially at 4.00 atm was compressed from 8.00 L to 2.00 L at constant…

A: Given, Initially Pressure of a gas (P1) = 4.00 atm Volume of a gas (V1) = 8.00 L Later: (after…

Q: The iron content of a mineral deposit was determined by titration with KMNO4 to see if it had enough…

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Q: Use the kinetic molecular theory to explain what happens at the particle level in the situation…

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Q: Sufficient solid CaSO4 is added to enough water to produce a solution (if it all dissolves) that is…

A: a.) First we would write dissociation equation to CaSO4 and Calculate reaction quotient.  b.) Then…

Q: It takes 7.21*10-19 J of energy to remove an electron from an iron atom, this is referred to as the…

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Q: 2. Which is the correct arrangement in terms of increasing molecular mobility? A. gas-liquid-solid…

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Q: spend a million dollars a day, how long would it take to spend one mole of dollars?

A: 1 million dollars = 106 dollars are spend in one day 1 mole dollars = 6.022×1023 dollars

Q: How many states are contained in a (a). 2p' 3d' configuration? (b). "F, term? (c). 1s° 2s° 2p° 3s°…

A:

Q: Let's Find Out: How ideal gas and real gas differ Let's Do It This Way: Identify the type of gas for…

A: A question based on ideal and real gases that is to be accomplished.

Q: Carbon monoxide reacts with water according to the following equilibrium reaction: CO (g) + H20 (g)…

A: ∆H° , ∆S° can be calculated using standard formation values of all Species involved in the reaction.…

Q: The average human body contains 5.80 L of blood with a Fe2+ concentration of 2.10x10-5 M . If a…

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Q: What is [H3O+] of a softdrink that has a pH of 3.400?

A: Given: pH of softdrink = 3.400

Q: Which of the following statements is false? O The absolute entropy of a perfect crystal at absolute…

A: Here, we have to find the statement from the given statements that is false.

Q: Assuming equal concentrations, arrange these solutions by pH. Highest pH Lowest pH Answer Bank…

A: Here we are required to arrange the given 5 compound from highest to lowest PH.

Q: 8. Indicate whether the following statements are True or False: a. The common name for the elements…

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Q: Calculate the standard cell potential for the reaction below and note whether the reaction is…

A: Since we know that for spontaneous reaction standard Gibbs free energy change is negative....

Q: 1. Which one of the following is an example of week electrolyte? 1. NaOH 2. Naci 3. CH3COOH 4.…

A: here we are required to classify the given compounds as weak and strong electrolyte

Q: Suppose a 500. mL flask is filled with 1.2 mol of CO, 2.0 mol of H,O and 0.90 mol of CO,. The…

A: Given: The volume of the flask is 500 mL The number of moles of CO is 1.2 mol The number of moles of…

Q: Calculate the pH at 25 °C of a 0.72M solution of lidocaine HCI (C4H2,NONH,CI). Note that lidocaine…

A: The value of pKb for the given weak base is = 7.94 The concentration of the base solution is = 0.72…