15. Draw a detailed arrow-pushing mechanism for the following t FeBr Br -Br: + FeBra 5a. Generation of The Electrophile Electrphilic Addition to form Arenium (show the resonance forms of

Q: Conjugate acid Conjugate base

A:

Q: Liquid nitrogen boils at -195.8 °C. Express the boiling point of liquid nitrogen in Kelvin. A) -77.4...

A: Boiling point of liquid nitrogen = -195.8 °C  Boiling point of liquid nitrogen in kelvin = ? 

Q: R .R allylic position benzylic position Benzylic cations, anions, and radicals are all more stable t...

A:

Q: Solid Aqueous

A: Precipitates are considered to be insoluble ionic solid products formed in a chemical reaction

Q: Review what is meant by the following terms: (a) Rate-determining step, (b) Activation energy

A: Chemical kinetics is branch of chemistry in which we deal with the speed at which rate of reaction o...

Q: moles

A:

Q: A chemist has a block of copper metal (density is 8.96 g/mL). The block weighs 1.70 g. What is the v...

A:

Q: Protein Concentration Standard Curve 0.7 y= 0.042x + 0.0378 R = 0.9867 0.6 0.5 0.4 0.3 0.2 0.1 10 12...

A:

Q: Show your solution (answer given): How many grams of KBr is required to prepare 150 ml of 2M soluti...

A: Molarity = 2M Volume of solution = 150 mL = 0.15 L Molar mass of KBr = 119 g/mol

Q: what is the ΔG when   - K constant = 1.2x103 -  temperature = 40 degrees - R = 8.31

A: Gibbs Free Energy Equation, ∆G = ∆G° + RT(lnK) ∆G = Gibbs Free Energy ∆G° = Standard Gibbs Free Ener...

Q: it Calcutate NCV of a fuel containing G/ dnydoogen uf Land AHv = 587 GCV ir yound io be 180 6 Kcaljg...

A: ANSWER : GCV (Gross Calorific Value) of fuel being considered is 9804.6 kcal/kg  The percent of hydr...

Q: At a certain temperature, the equilibrium constant K for the following reaction is 0.0039: Br,(g) + ...

A: This is a question from equilibrium.  We are to calculate the value of keq at various distance.

Q: . Which graph correctly displays the relationship between wavelength, in meters, and frequency, in h...

A: To explain: The graphical relationship between the wavelength in m and frequency in the hertz of the...

Q: 3. Calculate atomic mass of naturally occurring boron if 19.9% of boron atoms are 105B and 80.1% are...

A:

Q: Balance the below chemical reaction. Ec1H16 + O2 → → EcO2 + H2O In the correctly balanced equation, ...

A: In balanced reaction number of each atom on reactant side is equal to number of each atom on product...

Q: 2. Which class of pericyclic reactions is the Diels-Alder reaction?

A: As per bartleyby guidelines i answered only first question so please don't mind.Thanks in advance 

Q: Molar en thal phy

A:

Q: In the mid-1930s a substance was isolated from a fungus that is a parasite of ryes and other grasses...

A: Given that, lysergic acid diethylamide (LCD, C20H25N3O). It is a weak base, having Kb = 7.6×10-7. Th...

Q: Compound C9H10O a=7.43 ppm, multiplet 5H B=3.66 ppm singlet 2H C= 2.05 ppm singlet 3H Draw the struc...

A: NMR spectroscopy is a very important tool for the determination of the structure of the organic comp...

Q: Given the reaction: CuSO4.3H2O CuSO4.2H2O + H2O the DELTA H° = 9900 and DELTA G°=4500 at 25°C. Cal...

A: The given reaction is : CuSO4·3H2O(s)  ↔  CuSO4.2H2O(s)  +  H2O(g) ∆H° = 9900 J/mol and ∆G°=4500 J/m...

Q: A – most electronegative element in - Period 4. B - smallest atom in Group 5A. C- alkaline earth met...

A: A - most electronegative element in Period 4. Answer : bromine Reason : the tendency to attract shar...

Q: Due to similarities in protein composition, blood can be subsituted gram-for-gram for eggs in baking...

A: The protein composition of blood and egg is similar.So blood can be substituted for eggs in baking r...

Q: Indicate whether the salts below would form solutions that are acidic, basic, or neutral in pH. KCIO...

A:

Q: For ench renction! AJ urite word equntion b) vrite the balanced molecUlas equton C) write he total o...

A: 1) The reactants given are AgNO3 (aq) i.e. silver nitrate and Na2CO3 (aq) i.e. sodium carbonate.  

Q: 11. When the equation 3 _H2 +_ N2 - _NH3 7 is correctly balanced using the smallest whole numbers, w...

A:

Q: 1. What is the pH of a buffer that contains 0.15 M CH,COOH and 0.10 M NACH,COO (K, = 1.8 x 10 )?

A: 1) Given, Concentration of CH3COOH solution = 0.15 M [CH3COOH] = 0.15 M Concentration of NaCH3COO so...

Q: What are the similar physical properties of open-chain hydrocarbons and closed-chain hydrocarbons?

A:

Q: Which graph corresponds to this reaction? NH3(g) + HCI(g) 5 NH,CI(s) D AG AG AG AG +

A: In this question we are given a chemical reaction and we have to choose the correct graph between Gi...

Q: Caluculate how many times the rate constant changes in a reaction of A---> B when the temperature ch...

A:

Q: Consider the following reaction and its equilibrium constant (AICI3 is a catalyst). AICI, (aq) (cat)...

A: Value of equilibrium constant ,Kc = 3.33 Equilibrium constant value doesn't affected by change in co...

Q: 3. Calculate the mass, in grams, of 0.160 mol H,O2-

A: Detail mathematical calculation is given below

Q: HSO4 OH So,2 H20 +

A: Proton (H+) donors are acids and Proton acceptors are bases. HSO4- ------> SO42-  HSO4- act as ac...

Q: A solution is prepared by mixing 8 g of ethanol and 50g water. Calculate a) weight % ethanol, b) mol...

A:

Q: 3+ Calculate the pH of a 0.064-M Al (NO3); solution. The K, value for Al (H20)," is 1.4 x 10.

A: Concentration of Al ion = 0.064 M

Q: Molarity of Na2S2O3 (stock solution).    0.100 M Volume of diluted bleach titrated (taken from the ...

A: Solution: For a given titration reaction the stoichiometric relation plays important role, as from i...

Q: An aqueous solution with 15 g sulfuric acid is dissolved to make 0.2 F solution. The specific gravit...

A: We are authorised to solve only first three subparts of the question. Please post rest of the subpar...

Q: The uncertainty in the NMR frequency of a compound in liquid state (relaxation time =ls) is 0.1 Hz. ...

A:

Q: Solid carbon dioxide is also called dry ice. Dry ice is placed in a sealed container. Some CO2 subli...

A: The equilibrium reaction taking place is given as, => CO2 (s) ⇔ CO2 (g) Given: Volume of the cont...

Q: volume

A:

Q: average kinetic kinetic energy of helium gas at 140.0 K is 1.74594 kJ/mol. What is the average kinet...

A:

Q: If this is the procedure that we used to adapt a new reaction, what is the mass, molecular weiht, vo...

A:       Amount of 2-chloro-5-nitrophenol added = 2.75 g           Molar mass of 2-chloro-5-nitrophenol...

Q: Me H a. H NMR

A: For the given Diel' Alder product, there must be a diene and a dinophile moiety which upon reaction ...

Q: According to the following reaction, how many grams of calcium oxide will be formed upon the complet...

A:

Q: What is the percent ionization of a 0.0289 M aqueous solution of cyanic acid, HCNO (K, = 3.5E-4)? i ...

A: The ionisation of weak acid are very low. The percentage of ionisation can be calculated as follows

Q: a. True b. False

A: 1. True Sodium nitrite is a anti-oxidant in nature which when used on meat, enhance their colour and...

Q: 3. What is the pH of a cleaning solution with a [H,O'] = 7.4 x 10 M H,O? ibility Good to go

A: Formula to calculate pH is :-  pH = -log[H3O+] 

Q: A major component of gasoline is octane (C,H,8). When octane is burned in air, it chemically reacts ...

A:

Q: 1) KMNO4, NaOH, H2O 10. heat (excess) 2) H20, H3O* (excess) 11. 1) Zn(Hg), HCI Ph 2) NBS, UV light (...

A:

Q: Determine if the statements are true. The larger the surface area, the higher the dissolution.     ...

A: True or false: As per our guideline we have to answer first three questions only:  

Q: e Van Deemter equation,

A: VAN DEEMTER EQUATION ANALYSIS