5. A 7.25x104 M solution of Potassium cyanide (KCN) has a transmittance of 45.2% when measured in a 2 cm cell at a wavelength of 525 nm. Calculate (a) the absorbance of this solution; (b) the molar absorptivity of KMnO4.

Q: Hepten-2-one is a ketone that also contains a C=C double bond between carbons 6 and 7. If this subst...

A: Alkene is reduced to give alkanes using Pt as a catalyst in presence of H2.   

Q: 8. Fill in the following table: pH [H;O"] pOH [OH'] ACID or BASE 1.97 9.84 x 10-2 M 4.68 2.64 x 10-5...

A:

Q: Question 30 of 39 Submit What is the correct IUPAC name for the compound shown here? 6,7-)[2,3-]3-6-...

A:

Q: Molecular Formula:C,H1,0, EOU: IR (cm-1): ?? bond 2951 bond 2500 - 3460 bond, 1602 bond 1715 1H NMR ...

A:

Q: Acetic acid (CH3COOH, ?a=1.80×10−5) is a weak acid, so the salt sodium acetate (CH3COONa) acts as a ...

A:

Q: The oxidation of ammonia produces nitrogen and water via the following reaction: 4NH3(g) + 302(g) → ...

A: The correct option is:  

Q: Explain in terms of the distribution of charge, why H2O is considered a nonpolar compound

A: NOTE: H2O is considered as polar compound and not a nonpolar compound. Hence I'm explaining why its ...

Q: Which of the following is/are TRUE about Galvanic cell? I. The Gibbs Free Energy of the cell is nega...

A: In a galvanic cell, the anode is negatively charged and the cathode is positively charged. 

Q: II. Directions: Using Lewis structure, show how an ionic compound is formed between each pair of ele...

A:

Q: The cell notation for the Galvanic cell is Cd(syCd2+/l/½(syI" The Standard Reduction Potential are a...

A: Given cell notation is : Cd (s) | Cd2+ (aq) || I2 (s) | I- (aq)  E0Cd2+|Cd = -0.403 V  (anode) E0I2|...

Q: When COCI2 is placed in a container with a pressure of 4.1 atm, determine the equilibrium concentrat...

A: Since you have posted multiple questions as per guidelines we can answer only one per session . If y...

Q: all temperatures?     ΔHrxn 0     ΔHrxn > 0; ΔSrxn 0; ΔSrxn > 0     ΔHrxn < 0; ΔSrxn < 0

A: For Spontaneous process,  □G = negative,  Using Gibbs equation,  □G = □H - T□S, So, if process is Sp...

Q: Question 21 At 100°c and 2 bar pressure, the degree of dissociation of phosgene is 6.30 x 105. Calcu...

A:

Q: At equilibrium, what is the value of ΔGrxn? < 1 < 0 = 1 = 0

A:                                    Answer At equilibrium, value of ∆Grxn We know that For spontaneou...

Q: 6. If 0.025 mol of COCI2 (g) is placed in a 1.0L container at 400°C, 16.0% of the COC12 (g) is disso...

A: KC is equilibrium constant

Q: co List all the possible transitions that can occur between n = 1 and n = 4 in a hydrogen atom. Whic...

A: The electronic energy levels in an atom are quantized and when an electron undergoes a transition fr...

Q: What is the cell potential for the following reaction at 25 °C?  Ni(s) + Cu2+(0.010 M) → Ni2+(0.001...

A:

Q: QUESTION 20 Match following waste with the proper waste container. Used capilary tube after m.p. det...

A: 20 . )  To match the wastes with correct container , we would check the type of waste produced in al...

Q: For the following reaction, use the identity of the alkyl halide and nucleophile to determine which ...

A:   Nucleophilic substitution reactions (SN) :  Types   1. SN1       2 . SN2   1. SN1 (Unimolecular Nu...

Q: Given the dissociation constants for each deprotonation, what is the dissociation constant for the o...

A: Overall reaction dissociation constant is the multiplication of two dissociation constants of indivi...

Q: At a certain temperature the rate of this reaction is second order in SO3 with a rate constant of 4....

A: For the second-order reaction, the sum of the exponents in the rate law is two. The rate of second-o...

Q: Practice Question: Outline all the necessary reactions with the minimum number of steps required to...

A: The answer is as follows:  

Q: (с) HCI (d) HCI

A:

Q: 24) Identify the type of Organic compound shown 애

A: In the given structure carbon atom is bonded to oxygen atom by a double bond and a hydroxyl group (-...

Q: Which of the groups below is capable of only hydrophobic interactions? a b c d e

A: The answer is as follows:  

Q: The following data were acquired in an iodination experiment involving acetone. Reaction times are f...

A: The iodination of acetone in aqueous solution is catalyzed by H+ ions: I2 + CH3COCH3  → H+ HI + CH3C...

Q: Ammonium perchlorate (NH CIO) is the solid rocket fuel used by the U.S. Space Shuttle. It reacts wit...

A: Ammonium perchlorate decomposes into nitrogen, chlorine, oxygen, and water. The equation for the bal...

Q: The reaction A→B is second order and has a rate constant k = 0.0136 M-1 s-1.

A:

Q: The skeleton of acetic acid is shown. Complete the structure by adding bonds and nonbonding electron...

A:

Q: 2. Draw a molecule with the molecular formula CŞH100 that would have the following peak(s) in it spe...

A: C5H10O

Q: A mixture of He, Ar, and Xe has a total pressure of 2.80 atm. The partial pressure of He is 0.450 at...

A: Dalton's law of partial pressure:  According to this law, the total pressure exerted by a mixture of...

Q: A sorption study of Cd2+ on a loamy sand yielded the following results measured when the system was ...

A: We are given A sorption study of Cd2+ ion and We have to determine the Kd for this system

Q: 7. At room temperature cyclopentadiene reacts with itself to form dicyclopentadiene in a Diels-Alder...

A: The answer is given below

Q: ♥ Draw Lewis structures for each of the following. Give the total number of valence electrons, selec...

A: Regions of Electron Density (REDs) around the central atom : The region of high electron density can...

Q: 1. SOCI2 2. Et,CuLi 3. (a) LİAIH4 (b) H2O OH

A:

Q: The AG°rxn for the reaction: N2(g) + O2(g) 2 NO(g) is +173 kJ/mol at 25 °C. What is the equilibrium ...

A:

Q: Question 3 Given the dissociation constants for each deprotonation, what is the dissociation constan...

A: In order to get the overall equation, the two chemical equations are added together. On addition of ...

Q: Consider the reaction: N204(g) 2 NO2(g). What is AS° at 25 °C? AHP, kJ mol-1 AGf, kJ mol-1 NO2 33.85...

A:

Q: The recommended adult dose of Elixophyllin, a drug used to treat asthma, is 6.0mg/kg of body mass. C...

A: The weight of the person= 115 lb = (115×453.59)g = 52162.85 g = 52.163 kg 

Q: Question 26 Why are some metabolic reactions coupled to the hydrolysis of ATP? To bypass metabolic r...

A: The correct option is:  

Q: Draw a graph of the expected relationship between hydrogen isotope ratio in summer and rooting depth...

A:

Q: What is the purpose of the salt bridge in an electrochemical cell?     To serve as a physical boun...

A: Electrochemical cell: An electrochemical cell is a device capable of either generating electrical en...

Q: The reaction A-B is first order, and has a half-life of 375.1 s. If the concentration of A after 629...

A: t1/2 = 375.1 s t = 629.0 s [A] = 0.167 M [Ao] = (to find)

Q: After taking measurements of a rectangular solid with a mass of 3.84g, you determined the length to ...

A:

Q: The molar conductivity at infinite dilution of hydrobromic acid, sodium acetate, & sodium bromide at...

A: Answer:  Molar conductivity at infinite dilution of acetic acid = 439.57 Scm2mol-1 Explanation: At i...

Q: Show how you could prepare 4-bromopyridine from 4-aminopyridine. Write the synthesis.

A: The conversion of 4-amino pyridine to 4-bromipyridine is needed to be shown.    Since you have asked...

Q: While not true in general, many aqueous reactions approximately double their rate for an increase in...

A: Answer: Arrhenius equation can be used to calculate the activation energy. 

Q: Why can't we use aluminum salts to manufacture paper products like books?

A: Peviously aluminium salt was used in paper manufacturing industries but it has negatives too. The al...

Q: Question 14 Nitrogen dioxide decomposes according to the reaction: 2 NO2(g) + 2 NO(9) + O2(9); Kp = ...

A:

Q: At a certain temperature this reaction follows second-order kinetics with a rate constant of 1.04 M-...

A:

Spectroanalytical Methods

Spectroanalytical methods measure the wavelength and intensity of radiations that are either emitted or absorbed by a molecular or atomic species. These methods are useful for evaluating the electronic or atomic arrangement of the molecules of a given analyte.