nich one of the changes below will increase the poten 2+ 2* (aq, 1.0 M), Sn 4*(aq, 1.0 M) || Cu 2*(aq, 0.20 a. Increasing the mass of Pt. 2+ b. Decreasing the concentration of Cu. Oc. Switching from a platinum to a graphite anode. С. d. Increasing the concentration of Sn2+. Oe. Increasing the size of the cathode.

Q: Thorium belongs to 5f4 electron, true or false

A: Thorium  Atomic number = 90

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A: According to the first law of thermodynamics, the energy of the universe remains constant. For a…

Q: 2(g) |H '(aq) || Pb<'(aq) | PBS04(s) | Pb(s) he following standard reduction potentials. q) + 2 e¯ ®…

A: Cell equation,  Sn2+ + Cu2+ ---&gt; Sn4+ + Cu Cell potential is affected by concentration.  As the…

Q: 33. What is the concentration of an analyte given that the percent transmittance is 70.3%, the path-…

A: Answer: According to Beer-Lambert law A=εbC Here: A=absorbanceb=path lengthC=concentrationε=molar…

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A:

Q: Identify the oxidation numbers to all the elements in each of the compound or ions NaHSO4 a. Na=+2;…

A: In this question we have to tell the oxidation numbers of each element present in the compound

Q: sign of the entropy change

A:

Q: Choose the correct intermediate for the reaction of methylenecyclopentane with hydrochloric acid:…

A: Which one of the following is correct answer

Q: True or false. If the statement is false, change the underlined words.   Oligomers are isomeric…

A: #1: When a small number of identical units like monosaccharides from 2 to 10 are linked each other…

Q: For the galvanic (voltaic) cell Fe(s) + Mn2 (aq) - Fe2 (aq) + Mn(s) (E° = 0.77 V at 25°C), what is…

A:

Q: 6. Arrange the following 0.01 M substances in order of increasing pH. HNO3: pK, = -1.38 HNO2: pk, =…

A: Given substances are :  a). HNO3 : pKa = -1.38  b). HNO2 : pKa = 3.14 c). HClO : pKa = 3.18 d). NH3…

Q: 20. At 0 °C the ion product constant of water, K, is 1.2 x10-15. The pH of pure water at this…

A:

Q: A suitable method for the determination of vitamin C (ascorbic acid, C6H3O6) is a titration with…

A: Ascorbic acid (vitamin C) is mainly found in fresh fruits such as lemon, orange, lime, peach,…

Q: I need help finding the functional groups and the wavelegth  for the coumpound   and to draw the is…

A: The compound p-bromoacetanilide is given below : If we expand the above structure with all the…

Q: The reaction 4A1 (s) + 302 (g) → 2 Al203 (s) and therefore AH is is endothermic, negative…

A: Recall the reaction, 4Al(s) + 3O2(s) ----&gt; 2Al2O3(s) ∆H  = ?  Reaction type= ?

Q: A reaction has a rate constant, k = 0.0379 M/min. What is the half-life (minutes) when the initial…

A: Rate constant, k = 0.0379 M/min.  Initial concentration = 1.38 M  Half life time (in minutes) = ?

Q: Consider the following equation in aqueous solution: Cr.0, (aq) + S,0, (aq) → Cr* (aq) + S,0,²(aq)…

A:

Q: After 12.80 days, a radioactive nuclide has passed through exactly five half-lives. The initial…

A:

Q: 2. 6. For the reaction 2 HI) e H) + I) Kea = 0.016 at 500°C (a) If 1.0 mole of HI is placed in a…

A: Given: Equilibrium constant for the reaction = 0.016 Temperature = 500oC

Q: 3.Which has higher ionization energy, potassium cation or chlorine anion? Why?

A: Ionisation energy is defined as amount of energy required to pull the electrons of outermost shell.

Q: Use the simulation lab to obtain the distance for the solvent front and the distance for each spot…

A:

Q: SOLVE THE FOLLOWING: I. Find the molar mass of the given elements or compounds. Express your answers…

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Q: NUCLEAR REACTIONS Nickel-56 decays with a half-life of 6.075 days. 1. Write the balanced nuclear…

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Q: Draw complete structural formulas for the models

A: Both the models are of hydrocarbons consisting a heteroatom.

Q: 1. Considering the trends in the periodic table for atomic radii, ionization energy, and electron…

A: Solutions                                Given that  A) Fe and Ba atomic radii

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A: Standard cell potentialE0cell =E°reduction-E°oxidationWhere E°reduction and E°oxidation are the…

Q: CH3 CH3¢CN CH3 CN NC. .CO2H

A:

Q: Calculate the milligrams of zinc and nickel present per milliliter in your original sample by taking…

A: Given, molarity of EDTA = 0.003298 M

Q: (1) Give the names of the two amino acids used to form the dipeptide shown below. Cy, N=C=N Ph Ph…

A: This question have multiple subparts so I will solved first three subparts for you. rest of…

Q: 1. Name the following alkyl halides: (a) H3C Br Br CH3 (b) çI CH3 (c) Br CH3CHCHCHCH,CHCH3…

A: Name of compound is written with the substituents in alphabetical order followed by the base name.…

Q: Calculate the pH of the above buffer after 10.00 mL of 1.000 M NaOH (0.01000 mol OH-1) was added to…

A: Here we are required to find the pH of the buffer solution after addition of 10 ml of 1M NaOH.

Q: In the reaction SO2 + 2 H2S → 3 S + 2 H2O a. sulfur is oxidized and hydrogen is reduced b. sulfur is…

A: In this question we have to tell which species reduced and which species is oxidized.

Q: In a standard reaction, when the products have  ___________ Gibbs free energy than the reactants,…

A: According to the second law of thermodynamics, the spontaneous nature of the reaction is determined…

Q: How many grams of pure Na2CO3 are weighed and dissolved in a solution if you are to prepare a o.5320…

A:

Q: 3. What substitution products would you expect to obtain from the following reactions? (a) Br (b)…

A: Here we are required to predict the product of the reaction

Q: Consider the following reversible reaction. In a 3.00 liter container, the following amounts are…

A:

Q: A process cannot be spontaneous if_ O it is exothermic, and there is an increase in disorder O it is…

A: ∆G= ∆H -T∆S for a spontaneous reaction free energy should be always negative.

Q: 8. For the reaction 2 Ag + Bg = 2 Ce) Keg = 0.18 at 200°C %3D eq calculate (a) Ke for the reaction 2…

A: The given equilibrium reaction is: 2Ag+Bg⇌2Cg; Keq=0.18 ......(1)

Q: How many milliliters/per liter of each of the following are needed to make 1.5 molar solutions.…

A: Given: molarity of solution = 1.5 M Volume of solution = 1 L   density of Ethylene glycol = 1.11…

Q: A hydrocarbon reacts with oxygen in a bomb calorimeter containing 2.00 kg of water. The temperature…

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Q: Shown belowis the combuntion of 1-butene (CHu) at 25c. a Determine the standard molar enthaloy lmol…

A: Given the combustion reaction of 1-butene, C4H8(g)+6O2(g)→4CO2(g)+4H2O(l) The standard molar…

Q: 1.      The proportionality constant between an instrument readout and concentration is 54.2.…

A: Given, The proportionality constant of the instrument = 54.2

Q: lentify the expected major product of the following electrocyclicreaction. + En + En + En II IV V

A:

Q: reaction has a rate constant, k = 0.0866 M-1 s-1. What is the half-life (seconds) when the initial…

A: k = 0.0866 M-1 s-1 [Ao] = 4.27 M

Q: Provide the structure of the product(s) with stereochemisty if appropriate. If multiple products…

A:

Q: Kindly provide the structure of the main product.

A: In this question we have to tell main product of the reaction.

Q: N-CI ? CH3OH Predict the product(s) that will form in the reaction scheme above. Select the answer…

A:

Q: -(CH) One or more of the monomers below are needed to make the polymer Choose which one(s). C-(CH2)4…

A: Detail description is given below

Q: Prepare 100 mL of 0.0100 M KIO3. The dilute 0.0100 M KIO3 solution will be used to standardize the…

A: Given: Volume of stock solution (V1) = 5.00 mL Molarity of stock solution (M1) = 0.20 M Volume of…

Q: 4) How would your calculated value of Ksp be affected by errors introduced from the following…

A: Ksp is meant for solubility product constant. It is the equilibrium constant for a solid substance…

Applications of Molecular Spectroscopy

When light sources pass through the diffraction grating then light splits into different wavelengths. The light source produces two types of patterns that are shown as destructive and non-destructive. The light source is in the form of quanta that is quantitation.