Which part of the copper wire wrapped nail in agar is the anode? And which is the cathode?

Q: 36. a. b. C. d. e. Given the following redox reaction at 298 K: Au (aq) + 3 Li (s) → Au (s) + 3 Li…

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Q: Which of the following aqueous solutions would have the lowest vapor pressure? (Hint: Which solute…

A: Vapour Pressure is the pressure applied by the vapours at its equilibrium state.  Vapour Pressure…

Q: Match the molecular ion (from electron impact mass spectrometry) with the correct compound. (Make…

A: We have find out the correct structure.

Q: When the Cu²+ concentration is 9.20×10-4 M, the observed cell potential at 298K for an…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 6. What is the product of the following reaction? a. OH CHO 1. 2. Н30+ b. OH C. OH d. OH хон

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Q: Most enzymatic reactions consume substrate or produce products which cannot be monitored directly…

A: Enzyme assay is any laboratory technique which measures enzyme activity within a sample. Enzyme…

Q: 2. Write the structure of the product. If no reaction occurs write NR. H ECH₂ + Br2 a. H3 C b. +…

A: We have been given four reactions and we have asked to write products of given reactions. Organic…

Q: The following unbalanced oxidation-reduction reaction occurs in acidic solution. __________ is the…

A: Rules for balancing equations in acidic medium:  1) write the equation in two halves  And balance…

Q: Salt bridge A concentration cell similar to the one shown is composed of two Cd electrodes and…

A: Concentration cell : It is the electrolytic cell which has both the compartments/half cells…

Q: Write a balanced chemical equation for the standard formation reaction of liquid titanium(IV)…

A: -> Standard equation of formation is equation represents formation of one mole compound from its…

Q: What is the IUPAC name of the following compound? ball & stick + labels Submit Answer Retry Entire…

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Q: Methane reacts with oxygen to form carbon dioxide and hydrogen gas, according to the balanced…

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Q: 20mL of 0.3M NaOH is required to neutralize 40ml of unknown concentration HCl. What is the…

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Q: . What temperature (in °C) did an ideal gas shift to if it was initially at -21.0 °C at 4.62 atm and…

A: Given -> Initial temperature (T1) = -21.0°C = -21.0 + 273 = 252K  Initial pressure (P1) = 4.62…

Q: describe/ analyze the IR spectra pattern of salicylic acid

A: The concept used here is from IR Spectroscopy of organic chemistry.  IR spectroscopy tells us about…

Q: Consider the four elements sodium, magnesium, barium and sulfur. Which element has the greatest…

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Q: Question Which product is obtained when the following reaction is carried out? - A) I only - B) II…

A: Lindlar's catalyst: The formula of Lindlar's Catalyst is H2 /Pd /CaCO3 and this is used for the…

Q: 5.50 g of As₂O3 are titrated with 33.5 mL of KMnO4 to reach the end point. 5 As₂O3(s) + 4 MnO4 (aq)…

A: Given -> Weight of Ag2O3 = 5.50 gm  Volume of KMnO4 = 33.5 ml = 0.0335 L (1L = 1000ml)

Q: A stepwise reaction  (A+2B ----> 3D) has the following elementary steps:        A  ------> C (slow…

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Q: Volumetric Analysis  The mass of KHC8H4O4 is measured to the nearest milligram; however, the volume…

A: A popular quantitative analytical technique is volumetric analysis. As the name implies, this…

Q: A voltaic cell is constructed in which the anode is a Al|A13+ half cell and the cathode is a Sn Sn2+…

A: Given: Anode: Al|Al3+ half cellCathode :  Sn|Sn2+ half cell The half-cell compartments are connected…

Q: Br CH,OH OCH3

A: Given,

Q: List the different types of bonds found in the HSO4 molecule?

A: In this question we are given a hydrogen sulphate ion which is formed by the generation of hydronium…

Q: The energies of the valence of orbitals on the iron atom in the octahedral [Fe(H₂O),] complex are…

A: Metals forming Coodination complexes have d electrons, and this splits according to the ligand…

Q: 5) Write the structure of the tripeptide ANT. Mark the C terminus and N terminus. O

A: Given : structure of amino acid

Q: Automobile air bags inflate during a crash or sudden stop by the rapid generation of nitrogen gas…

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Q: When an aldose is oxidized, the aldehyde functional group (-CHO) is converted into a Multiple Choice…

A: Ans. Correct option is -COOH

Q: emist carefully measures the amount of heat needed to raise the temperature of a 360.0 g sample of a…

A: Specific Heat capacity is amount of heat required to increase the temperatures of one gram of…

Q: Draw the major product of this Claisen condensation reaction. Ignore inorganic byproducts.

A: A question based on introduction to organic chemistry. Diethyl succinate and ethyl butanoate are…

Q: 4. Draw the organic products formed in each reaction and indicate stereochemistry when necessary. a.…

A: o Na/Liq NH3 reduces alkyne to trans alkene o H2/Pd-C reduces alkene to alkane o PCC oxidizes…

Q: What is the mole fraction of Ne in a mixture of gas where the PHe = 64 torr, PNe= 56 torr, Par= 175…

A: The mole fraction of a component in the mixture is defined by the ratio of moles of that substance…

Q: What is the major product(s) formed by treating 3,3-dimethylcyclopentene with H3O+ and heating?…

A: Under acidic condition alkene after protonation gives secondary carbocation which undergoes…

Q: Question 4 Given the following mechanism: H₂O₂ (aq) + I¯ (aq) → H₂O (1) + OI (aq) (slow) H₂O₂ (aq) +…

A: Given reactions are as follows, H2O2(aq) + I−(aq) → H2O(l) + OI−(aq) H2O2(aq) + OI−(aq) → H2O(l) +…

Q: 4.0 mol Na2S can form 4.0 mol Na2SO4 and 5.0 mol CuSO4 can form 5.0 mol NaSO4. How many moles of…

A: Given : 4 mol Na2S produces 4 mol Na2SO4       5 mol CuSO4 produces 5 mol CuSO4  Tip : first write…

Q: Calculate the density of freon -12 (CF2Cl2) at 26.5 oC and 0.687 atm. density = ___  g/L

A: Density of substance is calculated by dividing given mass with volume. In the given question, it has…

Q: 26. a. b. C. d. e. Which of the following statements are true when temperature increases? I only II…

A: Thermodynamics is branch of chemistry in which we deal with amount of heat evolved or absorbed by…

Q: 1. Draw condensed structure formulas for the following compounds. cyclohexene cyclohexane toluene

A: condensed structural formula, every carbon atom is represented individually, and the following…

Q: When 13,140 J of heat is removed from 75 grams of metal, the temperature changes from 400. K to 200.…

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Q: The element technetium (Tc) crystallizes with a Simple Hexagonal unit cell. The density of a…

A: The density is defined as mass per volume occupied. Density = MassVolume

Q: For many purposes we can treat butane (C4H₁0) as an ideal gas at temperatures above its boiling…

A: Answer:- This question is answered by using the simple concept of gaseous law which involves the…

Q: 10.6 Propose a reasonable organic reaction mechanism for the reaction shown below using the curved…

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Q: 34. a. b. C. d. e. Calculate the standard emf (E°rxn value) for the reaction shown below using the…

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Q: Br₂ (1 equiv.)

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Q: How many electrons are transferred in the following redox reaction:   Al3+  + Cu ----> Al + Cu2+…

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Q: What are the differences between (properties wise) graphite, graphene, carbon nanotubes, and…

A: graphite, graphene, carbon nanotubes, and graphene oxide  these all are different form of carbon and…

Q: Which of the following statements concerning spectroscopy is correct? A) Concentration of a solution…

A: Spectroscopy involves the study of interaction of electromagnetic radiation with matter. When an…

Q: a cell is placed in a hypertonic solution, what happens to the cell?

A: Hypertonic, isotonic, and hypotonic are the three types of tonicity that a solution can have in…

Q: 3. Caffeine is an alkaloid, meaning alkali- or base-like. Circle functional groups in the molecule…

A: The concept used in this question is taken from basic organic chemistry.  Concept : In caffeine one…

Q: Consider an ideal gas with constant pressure and constant number of moles. If the temperature…

A: The gas with constant pressure and constant number of moles .

Q: Which of the following descriptions correctly describes the silicate glass in the bulb of a pH…

A: 1. To determine which of the following descriptions correctly describe the silicate glass in the…