Chemistry, 21.09.2019 18:10 jackieanguiano3700
Rhcl (aq)+3erh(s)+6ct (aq) e=+0.44 v the mass of material deposited depends on the time and current used in the electroplating process. calculate the mass of rhodium deposited in 2 minutes (i) when a current of 0.4 a is used. faraday constant = 96485 a s mol, ram (rh) = 102.9] (ii) a ring with surface area 18.3 cm2 is rhodium-plated using the conditions given in part (a)(i). calculate the thickness of the rhodium. give your answers in microns (um.) [the density of rhodium is 12.41 g cm (8 marks) (b) draw a cell diagram for a galvanic cell comprising a rh electrode in sodium hexachlororhodate solution and an ag electrode in silver nitrate solution. (i (3 marks) (i) the standard reduction potential for silver is +0.80 v. write the half-cell equation for this reduction. (2 marks) (iii) at which electrode will the reduction reaction occur? calculate the cell potential (3 marks) (iv) write the overall reaction equation for the process occurring in the cell and calculate age of this reaction. (4 marks)
Answers: 1
Chemistry, 22.06.2019 19:00
Nan elementβs square on the periodic table, the number with the greatest numerical value represents the
Answers: 3
Chemistry, 22.06.2019 22:00
How many moles of no2 will form when 3.3 moles of cu are reacted with excess hno3?
Answers: 3
Chemistry, 22.06.2019 23:50
Be sure to answer all parts. the following equilibrium constants were determined at 1123 k: c(s) + co2(g) β 2co(g) k'p = 1.30 Γ 1014 co(g) + cl2(g) β cocl2(g) k''p = 6.00 Γ 10β3 calculate the equilibrium constant at 1123 k for the reaction: c(s) + co2(g) + 2cl2(g) β 2cocl2(g) 4.68 Γ 10 9 (enter your answer in scientific notation.) write the equilibrium constant expression, kp:
Answers: 3
Rhcl (aq)+3erh(s)+6ct (aq) e=+0.44 v the mass of material deposited depends on the time and current...
Health, 23.08.2019 10:00
Mathematics, 23.08.2019 10:00
Mathematics, 23.08.2019 10:00
Mathematics, 23.08.2019 10:00
Spanish, 23.08.2019 10:00
English, 23.08.2019 10:00
Health, 23.08.2019 10:00
Mathematics, 23.08.2019 10:00
World Languages, 23.08.2019 10:00
Biology, 23.08.2019 10:00
Mathematics, 23.08.2019 10:00
English, 23.08.2019 10:00
Mathematics, 23.08.2019 10:00