What type of intermediate is present in the SN2 reaction of cyanide (CN) with bromoethane? carbocation free radical carbanion This reaction has no intermediate because it is concerted O carbene

Q: 5. Two isomers of [Co(H,O),(NH,)>CI] are found to have the exact same polarity, color, and mag- neti...

A: Isomers: The existence of coordination compounds with the same formula but different arrangements of...

Q: Manipulating equilibrium constant expressions and equilibrium constants Write an expression for the ...

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Q: 1. Draw a figure of the equilibrium between aqueous carbon dioxide and gaseous carbon dioxide in the...

A: Concept:  Carbon dioxide exit in gaseous state and it is represented by CO2(g). When CO2(g) is disso...

Q: Give a structure to match the name of each of the following compounds. - butanone -acetaldehyde

A: Ketones are functional groups whose name end with -one suffix and aldehydes are also functional grou...

Q: 5. Solve the Q given the following : 200-g sample of an unknown substance changed, temp from 40°C to...

A:   Given : Mass = m = 200 gram  Final temperature  =  T1 =  25°c Initial temperature =  T2  = 40°c   ...

Q: The solubility of Pb(OH)2 is 78 mg/500. mL. Calculate the Ksp for lead (II) hydroxide

A: We have to calculate the Ksp for given salt.  

Q: Consider the photochemical isomerization A= B. At 650. nm, the quantum yields for the forward and re...

A: Concept:  The Beer-Lambert law: It states that there is a linear relationship between the concentrat...

Q: Consider a buffered solution with a pH of 11 that contains tyrosine as a free amino acid. W the net ...

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Q: Problem: A gas undergoes 3 process that completes a cycle in series P1= 10 atm PV1.1=constant P2= 50...

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Q: Esterase hydrolyzes ester bonds. For simplicity, only the amino acids whose side-chains interact wit...

A: Introduction :  Hydrolysis can be defined as a double decomposition reaction with water as one of th...

Q: What is the theoretical yield of an aldol condensation reaction involving cyclopentanone as the keto...

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Q: One gallon of certain lotion contains 946 mL of benzyl benzoate. Calculate the percentage (v/v) of b...

A: Solution - According to the question - Given - One gallon = 3.8 liter 3.8 liter contains 946 mL of b...

Q: mg of OXallo acid (H,C,04), a diprotic acid that can be purchased inexpensively in high purity, and ...

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Q: What is the pH of the solution obtained by mixing 65.00 mL of 0.220 MM HCl and 60.00 mL of 0.125 ...

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Q: A chemist adds 0.60 L of a 1.2 mol/L sodium carbonate (Na, CO,) solution to a reaction flask. Calcul...

A: Molarity is a concentration term for a solution. The molarity of the given solution is defined as th...

Q: How does a rate constant differ from an equilibrium constant for a reaction?

A: For a general reaction : aA + bB ⇌cC + dD  Rate of forward reaction = kf[A][B]  ---(1) Rate of backw...

Q: 1. What is physical change? A chemical change?|

A: As you didn't asked for a particular question number I'm giving you answer of first question. Please...

Q: Henry’s Law:  Consider a stream of air that contains 0.5 mole percent carbon dioxide (CO2), and is i...

A: Henry law: This law states that the concentration of a gas dissolved in a liquid depends on the part...

Q: How long would it take for the amount of u-235 to reach 1/8 of its initial amount? One of the nuclid...

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Q: .3 Solubility What is a solution? Describe the two medium of a solution. Describe how a substono

A: As per our guidelines we can only solve first question. Please resubmit the other questions as next ...

Q: A student must make a buffer solution with a pH of 4.50. Determine which weak acid is the best optio...

A: Concept:  Buffer solution: A buffer solution (more precisely, pH buffer or hydrogen ion buffer) is a...

Q: Please explain the effect of strong acid and base on the pH of the solutions.

A: pH of solution is defined as negative logarithm of hydrogen ions. 

Q: 1. Reaction Rates Cupric Oxide is leached in an acidic solution which results in the formation of Cu...

A: Leaching is a process of extracting a metal from its ore by dissolving it in a certain liquid. The c...

Q: The graph shows the titration of a polyprotic weak acid with a strong base. Label the following poin...

A: The value of titrations are recorded in the form of a graph and is represented as titration curve. T...

Q: Calculate the HLB value for the surfactant shown below. Use equations specifically designed for non-...

A: In an amphiphilic molecule like surfactants, there exists a balance between their hydrophilicity and...

Q: What is the outcome of the reaction sequence shown in the box? 1. Base 2. Allylbromide H3CO 3. НСІ, ...

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Q: 7. Many pharmaceuticals contain aromatic rings or large hydrocarbon areas (nonpolar). Quite often, p...

A: To predict solubility of given pharmaceutical compounds on the basis of polarity and also show the d...

Q: forensic chemist is given an unknown substance for analysis. It is suspected that the unknown substa...

A: Given :   Mass of unknown substance = 0.5 g  Mass of benzene = 8.0 g  Freezing point of solution (Tf...

Q: [Review Topics] [References] Use the References to access important values if needed for this questi...

A: Alkene hydrogenation is the syn-addition of hydrogen to an alkene, saturating the bond and form alka...

Q: Consider the following table of ionization energies in kJ/mole. 2nd 3rd 4th Element Na 1 st 496 5th ...

A: Ionisation energy increases across the period and decreases down the group in the periodic table.  I...

Q: 1. Observing pH Changes in Water and Buffer Solutions upon Addition of HCI and NAOH Solutions soluti...

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Q: The combustion of 1.876 g of propanol (C,H,OH) increases the temperature of a bomb calorimeter from ...

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Q: 3. A 0.997-gram sample of chromium combines with 0.179 grams of nitrogen to form a binary nitride co...

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Q: what are the roles of glutamate and histidine in the catalytic mechanism?

A: Please find the below attachment.

Q: nd on measuring its resistance it is found to be y ohm, w ment if resistance of aqueous solution of ...

A: For cell 1 Resistance(R1) = y ohm Specific conductance(k1)=  = x ohm.cm-1 For cell 2,  Resistance (R...

Q: Using the table of standard formation enthalpies that you'll find under the ALEKS Data tab, calculat...

A: Solution -

Q: It was determined that 10.24 mL of 0.205 M HCI was needed to titrate a 5 mL sample of borax solution...

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Q: Enter your answer in the provided box. Given the same reactant concentrations, the reaction CO(g) + ...

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Q: Explain in not more than 10 sentences why it is important to know the properties, doses, effects, an...

A: Ans.  It is important to know the properties, doses, effects, and exposure conditions of a cosmetic ...

Q: Question 4 If a reaction has a AG° of -16.0 kJ/mol, will that reaction favor the starting materials ...

A: 4) Case- I When ∆G° < 0 [∆G° = (-)], reaction is spontaneous, (products are more stable than reac...

Q: temperature? What mass of solute will dissolve in 100 g water at the following temperatures? a. NaNO...

A: 6.)  To answer these values we would check the curve of given solute and temperature, then look at y...

Q: 13. In order to form 10 moles of CaC2(s) how many moles of CaO are required according to the equatio...

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Q: 1. Determine the gravimetric factor in each of the following pair. Substance sought Substance weighe...

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Q: phosphoric acid reacts

A: 3Cu + 2H3PO4>>>>Cu3(PO4)2 + 3H2

Q: concentration o

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Q: A student dissolves 12.3 g of potassium chloride (KCl)in 250. g of water in a well-insulated open cu...

A: Here we are required to find the enthalpy of the reaction using the principle of calorimetry.

Q: 3. Draw the splitting diagram for the indicated hydrogen and determine the expected splitting patter...

A: Well, in order to draw splitting pattern we need to look the neighbouring protons which are responsi...

Q: if the pka1 is 4.80 what is the ka1  if the pka2 is 7.34 what is te ka2

A: Given- pka1= 4.80 pka = 7.34  

Q: Classify the type of reaction is represented by the following equation: 2 Na(s) + Cl2(g) → 2 NaCI(s)...

A: 2Na(s) + Cl2(g) ---> 2NaCl(s)  

Q: Some unknown compound reduces the freezing point of benzene from 5.53 to 4.80˚C. What is the molalit...

A: Molality of a solution can be defined as number of moles of solute dissolved per kilogram of solvent...