The resistance of 0.01M acetic acid solution is found to be 222002, when measured in a cellhas two electrodes of area of cross section 3.85cm² placed 10.5cm apart. Calculateconductivity.
Q: This thermodynamic cycle describes the formation of an ionic compound M2 X from a metal element M…
A: Answer:In the given problem, enthalpy change associated to various processes during formation of the…
Q: Identify the product (or multiple products) for each of the following reactions:
A: Alkynes are formed when geminal or vicinal dihalides are treated with strong base such as sodium…
Q: A10mL solution contains 5mL of 2.0mM ferric nitrate, 1 mL of 2.0mM sodium thiocyanate, and 4mL of…
A: The relationship between the number of moles of solute and the concentration of the given volume of…
Q: Provide the correct IUPAC name for the compound shown here.
A: RULES for IUPAC nomenclature; In first step, we identify functional groups present. We make longest…
Q: Calculate the energy for the transition of an electron from the n = 2 level to the n = 3 level of a…
A: Given that,The initial state of energy level,The final state of energy level,Calculate the change in…
Q: Gifying Functional Groups Identify the appropriate group of atoms by selecting each atom…
A: We are given an organic molecule and we have to predict the functional group present in the given…
Q: 5) Which of the following compounds is aromatic? B C H D
A:
Q: Which of the following circled H's has a pKa around 16? A H H B H H H H H H C D
A:
Q: Which structure below is a MESO-form? A B с D
A: For a compound to be meso two conditions need to be followed:The compound must have atleast two…
Q: When NO(g) reacts with O2(g) according to the following reaction, 57.1 kJ of energy are evolved for…
A: Given ,Reaction : Objective : Determine the complete thermochemical reaction.
Q: hoose which of the following sets of quantum numbers is/are valid based on the quantum number rules.…
A: The objective of this question is to determine which sets of quantum numbers are valid based on the…
Q: 5. Assign the absolute configuration of both stereocentres in 4 (R or S) and draw the mechanism of…
A: Given that, the reaction is:
Q: The correct product formed from the reaction below is 0 [0] No reaction OH OH OH
A: Oxidation is a process in which either the hydrogen atoms are eliminated or the oxygen atoms are…
Q: Write balanced half-reactions for the following redox reaction: 2 NO3(aq) + 2H2O(l)+21¯ (aq) →…
A: Given redox reaction,Since,Redox reaction are those reaction in which oxidation as well as reduction…
Q: PVC is one of the most widely used polymers in the world. The monomer for PVC is vinyl chloride or…
A: We have to answer the following questions.
Q: many grams of solid potassium hypobromite, KBrO must be added to 500.0 ml of 0.500M hypobromous acid…
A: Volume = 500 mL Molarity of HOBr = 0.500 M pH = 8.80 We have to find The gram of KBrO is
Q: 19. Formulate the protection/ deprotection schemes for each of the following: 19.1 Primary amine…
A: Protection and deprotection of functional groups are strategies used in organic synthesis to…
Q: (b) H H CH2CH3 ·C. -CH2CH3 CH3 CH3OH (H)
A: The methanolysis of a tertiary alkyl halide involves the substitution of the halogen atom (usually a…
Q: Consider this organic reaction: Br CH3-0 Draw the major products of the reaction in the drawing area…
A: In this reaction elimination will take place through E2 mechanism. In E2 mechanism, the elimination…
Q: Br Br H3C CH2 CH2 CH3 CH2 CH2 CH2
A: In order to give the IUPAC name to the branched-chain alkane following steps are followed:1) The…
Q: H₂SO2, H₂O HgSO4 CI 1) NaNH2 (excess) 2) H₂O ? 1) n-BuLi 2) C 1) 9-BBN 2) H2O2, NaOH A .CI C B
A: The reaction of excess NaNH2 and water with a geminal dihalide (two halogen present at the same…
Q: Draw one product of an elimination reaction between the molecules below. Note: There may be several…
A: An elimination reaction is a type of organic reaction in which two substituents are removed from a…
Q: Please don't provide handwriting solutions....
A: The objective of the question is to calculate the Gibbs free energy change (ΔG) for the given…
Q: Find the pH of a 1*10-3 M Na2HPO4 . Use the following value:Ka1=7.11*10-3 ,Ka2=6,3*10-8 , and…
A: The objective of this question is to calculate the pH of a 1*10^-3 M Na2HPO4 solution using the…
Q: . Predict the major product for each reaction belo OH O HNO3 H2SO4
A:
Q: The following chemical reaction takes place in aqueous solution: AgF(aq)+KCl(aq) →AgCl(s)+KF(aq)…
A: Here, we need to write the complete ionic equation and it shows all the ions present in the reaction…
Q: Question 9 -> is completed and balanced, one term When the reaction NH4OH + H2SO4 → in the balanced…
A:
Q: Which of the following is the correct product for the following reaction? OH [H] No Reaction OH OH…
A: Ketone on reduction produces secondary alcohol.Carboxylic Acid on reduction produces primary…
Q: O a Energy The activation energy diagram for the reaction A + B →→C+D is shown below. Which arr…
A: The objective of the question is to find the symbol from the given option that represents the…
Q: Draw the molecular orbital (MO) electron diagram for the Ne₂ molecular ion. Be sure your diagram…
A: MO Diagram is the method of expaining the chemical bonding on the basis of Molecular Orbital Theory…
Q: What is the energy change when the temperature of 10.5 grams of solid lead is decreased from 36.0 °C…
A: Mass of lead(m) = 10.5 gTi = 36.0oCTf = 21.0oCspecific heat capacity of lead(c) = 0.129 J/goC
Q: Identify the Major and ALL Minor product(s) that are expected for each of the following reactions.…
A: The objective of this question is to identify the major and minor products of the reaction given.
Q: What is the relationship between the parent structure on the left and the structure on the right? ..…
A: Compounds with the same molecular formula but different structures are known as isomers.Structural…
Q: Hydrazine, N2H4, is used as a rocket fuel, but also as a reactant in organic chemistry. The K of…
A:
Q: Predict the major products of both organic reactions. Be sure to use wedge and dash bonds to show…
A: The above reaction given is known as hydroboration-oxidation reaction. This is an stereospecific…
Q: 1. Write the reaction of each of these species with ethanol. 2. Draw mechanistic arrows to predict…
A: An arrow always depicts from a region of high electron density to low electron density ; that is…
Q: When substituting two Ca2+ cations in CaCl2 using two Na+ cations, what defects could be generated…
A: The objective of the question is to identify the type of defect that could be generated when two…
Q: Draw one product of an elimination reaction between the molecules below. Note: There may be several…
A: An arrow always depicts from a region of high electron density to low electron density ; that is…
Q: The element rhenium (Re) has two naturally occurring isotopes, 185 Re and 187 Re. Rhenium is 62.60%…
A:
Q: Modify adenosine triphosphate (ATP) to give the ATP+H₂O P₁+ он он NH,
A: Adenosine triphosphate (ATP) is hydrolyzed to give adenosine diphosphate (ADP) and inorganic…
Q: Self-Assessment Exercises SAE 16.22 Which of the following molecules will act as a weak base? H C-N…
A: The objective of the questions is to identify the weak base from the given options.
Q: (c) NH2 HA (cat.) Draw Your Solution
A: Given,The reaction:(c)
Q: Please predict the products for each of the following reactions: 1. 03 2. H₂O H2 Pd or Pt (catalyst)…
A: The first reaction of the phenylacetylene i.e. the reaction of phenylacetylene with H2 in the…
Q: Select 3 correct answer(s) HO о OH CI
A:
Q: Draw the major product of this reaction. Ignore inorganic byproducts and the alkoxide side product.…
A: LiAlH4 lithium aluminum hydride act as reducing agent. It reduces amide into amine.
Q: Draw the products of each step of this reaction sequence. Ignore inorganic byproducts. HN' Edit…
A: Amine reacts with carbonyl compounds like ketone forms enamine as a product.Enamine reacts with…
Q: Predict the MAJOR product of the following reactions: a. ΕΙΟ 1) NaOEt/ EtOH 2) Br 3) NaOEt/ EtOH 4)…
A: Final answer is given in explanation please see from there.Explanation:Approach to solving the…
Q: 12. A Zinc and Copper half cell were connected under standard conditions. Calculate the standard…
A:
Q: 4. What is the IUPAC name of the following compound? OCH2CH3
A:
Q: For the dehydrohalogenation (E2) reaction shown, draw the Zaitsev product, showing the…
A: E2 stands for bimolecular elimination reaction. In which -elimination takes place. For an…
Step by step
Solved in 3 steps with 3 images
- Far the cell: pt/ Hz clatuy / NaOH Com)/ Hg0 cs)/ Hg cel -0.924V 854V 198K eatcutate standard eledromotive force Eas K write the eleetreds reaehions and the ett reaction So calculate the electromotive force at s08 K the change in inthalpy (AH)= and, what happen to electramotive forcewihen adokd few amount of nitrie acid to equitalent to the base Hg/Hg when - 35 kcal to cell reachin NaoH partially 2116.In a conductivity cell of a cell constant 0.003 cm³¹ concentration of 0.01 M solution of acetic acid, the resistance against ionic mobility is 20 ohm at 25 °C. the degree of dissociation of the acid is (where the molar conductance at infinite dilution = 390 x 104 2¹¹ m² mol¹ at 25° C) a) 0.015 b) 0.027 c) 0.038 d) 0.047A conductivity cell filled with a 0.01 M KCl solution was found to have a resistance of 189 ohms at 25oC. When filled with 0.01 M HCl solution, the cell gave a resistance of 64.8 ohms at the same temperature. At 25oC, the conductivity of 0.01 M KCl solution was 1.4088 x 10-3 S cm-1. Calculate (a) the cell constant and (b) the conductivity of the HCl solution. answer is [0.266; 4.105 x 10-3] please explain. thank you!
- 1. A Cr3+ solution is electrolyzed using a current of0.365 A. What mass of Cr(s) (51.9661) is plated outafter 10 hours?2. When an aqueous solution of CuSO4 is electrolyzedcopper metal is deposited. If a constant current waspassed for 5.00 h and 404 mg of Cu (63.546) metal wasdeposited, what was the current?4. The %Mn in steel can also be determined spectrophotometrically by oxidizing the manganese to the intensely colored permanganate, MnO4-. Standard solutions of permanganate gave the following absorbances (in a 1 cm cell): ABSORBANCE CONC. OF MnO4 (g/mL) 0.210 1.05 x 10-5 0.315 1.61 x 10-5 0.429 2.21 x 10-5 0.599 2.98 x 10-5 0.801 4.04 x 10-5 The following samples of steel were thoroughly reacted to convert the manganese into permanganate and then diluted to 500.00 mL. WT. OF STEEL (g) ABSORBANCE 0.5886 0.611 0.3498 0.359 0.4555 0.482 Again using Excel, plot the calibration data and calculate the %Mn in the steel.= 8. The following is a Frost diagram of phosphorus in aqueous solution at pH 0. Specify the form of P that is: (i) the most thermodynamically stable; (ii) the least thermodynamically stable; (iii) unstable and will disproportionate, also specify the new forms that will be made. ZE°/V 0.5 0.0 -0.5 -1.0 -1.5 -2.0 PH3 H3PO₂ -2.5 -3 -2 -1 0 1 2 3 H3PO3 H3PO4 4 5 Oxidation state, N
- Determine the transport numbers of the ions in an exactly 0.200 molal solution of copper (II) sulfate. The cell was filled with solution and electrolyzed between copper electrodes for some time. The cathode solution of the cell was found to weigh 36.434 g and contains 0.4415 g of Cu. Further the cathode in the coulometer showed an increase in weight of 0.0405 g due to deposited Ag.2) A 90.00 ml solution, density = 1.0582 g/mL. with a AG = specif ic heat of 4.079 J/(GC), increased in temperature ΔΗ- from 20.36 C to 28.13 t with Al added. The copper collected, weighed 2.087 g. The electrochemical AS = potential mean was +1.821 volts. Calculate AG AH and AS for the reaction below. +3 2A (aq) +2 2 Als) * 3 Cuaq) 3 C46)(8) The cell: SCE//HA(0.250M), NaA(0.170M)/H2(1.00bar), Pt has a poten- tial of -0.721V at 298K. (The SCE electrode potential is +0.2444V) (a) Sketch this cell. (b) What is potential of this cell vs. Ag/AgCl/sat'd KCI? (c) Calculate the dissociation constant of HA neglecting the junction poten- tial.
- (Please give clear handwritten answer) 0.1 M HNO3 solution at 298K was electrolyzed in Hittorf cell using platinum electrodes. After electrolysis, 34.2 mg of copper was deposited in coulometer which in series with the Hittorf cell. 50 mL of HNO3 solution was withdrawn from anode compartment after electrolysis and found to have a concentration of 0.0821 M. [Atomic mass Cu = 63]. (i) Find the transference number of H + and NO3 −. (ii) If 50 mL HNO3 solution was run off from cathode compartment, what would its concentration be?A (0.002M) Cu2+ solution gave an absorbance of 0.50 at 560 nm in a 1.0 cm cell. The molar absobitivity of solution is equel:(d) Calculate the electrical conductivity of a 6.0 mm diameter cylindrical silicon specimen of 60 mm long in which a current of 0.5 A passes in an axial direction. A voltage of 12.5 V is measured across two probes that are separated by 40 mm. i. Compute the electrical conductivity of the specimen. C12334 ii. Compute the resistance over the entire 60 mm of the specimen using the data in (1).
