Learning Task 3 Determine if each of the following redox reactions is spontaneous or not. 1. Cu + 2Ag+→ Cu²+ + 2Ag 2. Al³+ + Fe → Al + Fe²+ 3. Zn+ Ni2+ Zn2+ + Ni 4. 3Pb + 2AU3+3Pb2+ + 2AU 5. Hg + Pb2+ Hg2+ + Pb Solve the following problems. 1. A voltaic cell is based on a a Co2+ /Co half-cell and an AgCI/Ag half-cell. a. What reaction occurs at the anode? b. What is the standard cell potential? 2. Using the standard reduction potentials, calculate the standard emf for each of the following reactions: a. 2Al3+ + 3Cd 2A1+3Cd²+ b. Cr+ 2Cr³+→3Cr2+ C. H₂ + 12 → 2H+ + 21- Learning Task 4

Q: What do you already do to use less water and pollute water less?   Are there any DIFFERENT, new…

A: To answer these questions, we need to think of practical applications. Moreover, the answers should…

Q: For the reaction given below, draw a mechanism (curved arrows) and then predict which side of the…

A: A base is a chemical specie with a lone pair of electrons. It can abstract a proton and get…

Q: Continue the synthesis by selecting the reagents necessary for the next transformation shown. ? Br…

A: The correct order of reagents used for this transformation is given in second step.

Q: Solve the following problems. 1. The concentration of H+ ions in a bottle of table wine was 3.2 x…

A: 1. Given [H+]= 3.2 x 10-4 M , Find PH Given [H+]= 1.0 x 10-3 M , Find PH 2. Given: PH= 4.82 , Find…

Q: e. What mass of oxygen gas, 02, from the air is consumed in the combustion of 702 g of octane,…

A:

Q: 38. Magnesium chloride (MgCl2) is the product of a reaction between magnesium (Mg) and chlorine…

A: The reaction of metal with halogen will form metal halides.  For group two elements, as they have +2…

Q: Kinetic data were obtained on the aqueous reaction of hydrogen peroxide with iodide ion and H+.…

A:

Q: Calculate mass of Na2S required to make 340 g solution of 9% Na2S

A: The correct answer is given below

Q: 3. Calculate AH° for the combustion reaction of butene: C4H3(g) + 60₂(g) → 4CO₂(g) + 4H₂O(I), AH° =…

A: Given, C4H8(g) + 6O2(g) ➝ 4CO2(g) + 4H2O(l) ∆H° = ? Use the following reaction with given ∆H°…

Q: Which pair of ions will form a compound of formula M2X?   a)  Sodium and carbonate   b)  Sodium…

A: We need to select the pair of ions that has the formula M2X

Q: • The thermite reaction is quite a common reaction and is spectacular. Iron (III) o de and metallic…

A: As per the guidelines only one question can be answered at a time. Please post other question…

Q: 17. Calculate the number of moles of ethylene glycol, C2H6O2, used as antifreeze in cars, that are…

A: The no of moles of the substance is the ratio of the given mass of that substance to that of molar…

Q: La) Draw the monomer: 2-cyclopentylhex-2-ene, and the addition polymer: poly-2-cyclopentylhex-2-ene.…

A: A question based on introduction to polymer that is to be accomplished.

Q: Chemistry A line in the spectrum of atomic mercury has a wavelength of 252 nm. When mercury emits a…

A:

Q: 19.  At 300 K a chemical reaction has a rate constant of 1.0 x 10-4 M-1 min-1. The enzyme that…

A:

Q: Your answer is partially correct. A laboratory technician wants to determine the aspirin content of…

A: Given, The Ka= 3.0×10-4 Concentration = 10-5M

Q: A certain reaction has ∆?°= -19.5KJ and ∆S°= 42.7 J/K, is the reaction exothermic or endothermic?

A:

Q: 7. Simultaneous determination of cobalt and nickel can be based upon absorption by their respective…

A: Beer's law equation is; A = ε*b*C  If we compare this equation with the equation of straight like, Y…

Q: NAMING OF ALKANES AND ALKYNES

A: The solution of the given question is

Q: Desribe the reaction product. (q) CI ОН ОН (r) (s) 1 Н ОН ОН

A: The discription of each reaction is given below,

Q: (1.8)The area of a paper is 758 cm². What is the area of the paper in m²? O 7.58 x 104 m² O 7.58 x…

A:

Q: Step 1    Ce4+ + Mn2+  →   Ce3+ + Mn3+ Step 2    Ce4+ + Mn3+  →   Ce3+ + Mn4+ Step 3      Tl+  +…

A: Given that, a reaction mechanism is Step 1:    Ce4+ + Mn2+ → Ce3+ + Mn3+ Step 2:    Ce4+ + Mn3+ →…

Q: The graph below shows the heating curve for a sample of water in an open container (ie. 1 atm…

A:

Q: 8. Which of the following is NOT produced during the electrolysis of water? a) Electricity b) Acid…

A: To solve this problem we have to know about electrolysis of water .

Q: 2) Your goal is to synthesize the following 요 By reacting an ethyl ester with an enolate ion formed…

A:

Q: Sp - sp² overlap

A:

Q: 4. Which of the following does not show a proper part: purpose correlation in a voltaic cell? O…

A: We need to indentify the correlation which is not correct

Q: 2 H ( A lily X IF Br

A:

Q: Q2/A mixture of A and B is to be separated by distillation Xf=0.45, concentration of distillate is…

A: The net movement of mass from one location to another is called mass transfer, which usually means…

Q: a) Write a balanced chemical equation for the reaction.  b) What mass of acetic acid is in the…

A:

Q: H Br H CH 3 H 120° & S Br H "CH ₂3

A: In alkane bond between two adjacent carbon is a single bond. Single is free to rotate. When this…

Q: 5. 3-bromo-1-phenyl-1-propene (below) shows a complex NMR spectrum in which the vinylic proton at C2…

A: Signal of C2 proton splits into doublet due to coupling with C1 proton. The J value for the same is…

Q: 18 If a titration used 23.75mL of a 0.100M NaOH solution to reach the endpoint, then how many moles…

A: Here we have to determine the moles of NaOH taken and moles of asorbic acid reacts in

Q: B. What are the effects of adding elements (Ni. Cr, Si and S) on steel?

A: Effect of adding Ni on steel :- Nickel is added to steels to increase hardenability. It often…

Q: Nitric acid (HNO3) and potassium hydroxide (KOH) react to form water and aqueous potassium nitrate…

A: we  have to calculate  ΔHrxn for the formation of one mole of water in the given reaction in kJ/mol

Q: How many molecules are in a 0.572 mol sample of dimethylsulfoxide?

A:

Q: Water hardness is caused by the presence of Ca2+ and Mg2+ ions. One way of removing these ions is to…

A: Given data : Volume of = 5.0 L Concentration of Ca2+ = 0.0040 mol/L Ksp = 4.8×10-9

Q: Learning Task 2.

A: Given,

Q: Is the reaction [Co(NH 3 ) 6 ]^ 3+ +[Cr(H 2 O) 6 ]^ 2+ likely to proceed by an inner-sphere or outer…

A: The solution of the given question is

Q: Arrange the following sets of systems in order of increasing entropy. Assume one mole of each…

A: Entropy is a measure of randomness of a system. It is denoted by capital letter 'S' and its value…

Q: 7. For each of the following reactions Write the oxidation and reduction half reactions Determine…

A:

Q: 2. For the following reactions Identify 2Fe²+ + H₂O₂ + 2H+ → 2Fe³+ + 2H₂O a) The atom or ion that is…

A: 2. Recall the given reaction,                            2 Fe2+  +  H2O2  +  2 H+  →  2 Fe3+  +  2…

Q: The reaction 5 CI (aq) + CIO3(aq) + 6 H*(aq) → 3 Cl₂(g) + 3 H₂O(l) is expected to obey the following…

A: The slowest step of the reaction decides the rate of the reaction.  So it is also called rate…

Q: 2. N2(g) + 3H2(g) 2NH3(g) = At 375°C, the equilibrium constant of the reaction is 2 79 x 10-5 a.…

A:

Q: A1. 17. The following are routinely added to zirconium oxide in order to improve mechanical and…

A: here all of the choice is correct . so option e is correct .

Q: A reaction has AH°= 100 kJ/mol and AS°= 250 J/mol.K. Is the reaction spontaneous at room…

A:

Q: c) TeO3 + N₂O4 → Te + NO3 d) Pb²+ +103 → PbO₂ + 12 (basic) (acidic)

A: Redox reactions are that chemical reactions in which oxidation and reduction both occur.

Q: 6. The structure shown below is amoxicillin, one of the most commonly prescribed penicillin-type…

A: Nucleophilic attack of the β-lactam carbonyl by a Lewis base or nucleophile such as H2O results in…

Q: OXIDIZED 2 As (s) + 3 C12 (g) → 2 AsC13 Your answer

A: Given reaction: 2As (s) + 3Cl2 (g) → 2AlCl3 We have to find the substance that is oxidized.

Q: 16. The decomposition of hydrogen bromide is 2 HBr(g) → H2(g) + Br2(g) The reaction has…

A: