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- It's saying the 0.0399 is incorrect. The units is g/mol. Thank you for your help.If 2.5 A flows through R2, what is ɛ?(Electroplating) A steel part with surface area A = 130 cm² is to be tin-plated. What average plating thickness will result if 15 amps are applied for 10 min in an acid sulfate electrolyte bath? The cathode efficiency for tin is E = 90% and the plating constant C = 4.21 x 10-2 mm³/amp-s. V = CIt V = ECIt d = V A Typical cathode efficiencies in electroplating and values of plating constant C. Compiled from [18]. Plate Metal Electrolyte Cadmium (2) Cyanide Chromium (3) Chromium-acid-sulfate Copper (1) Gold (1) Nickel (2) Silver (1) Tin (4) Zinc (2) Cyanide Cyanide Acid sulfate Cyanide Acid sulfate Chloride Plating Constant ca Cathode Efficiency % mm³/amp-s (in³/amp-min) 6.73 × 10-² (2.47 × 10-4) X 2.50 × 10-2 (0.92 × 10-4) 7.35 x 10-2 10.6 x 10-² 3.42 x 10-2 (2.69 × 10-4) (3.87 × 10-4) (1.25 × 10-4) 10.7 x 10-2 (3.90 × 10-4) 4.21 x 10-2 (1.54 × 10-4) 4.75 × 10-2 (1.74 x 10-4) 90 15 98 80 95 100 90 95 ¹Most common valence given in parentheses (); this is the value assumed in determining…
- Formula of ohm`s lawThe repulsive force between Na+ and Cl- ions can be written as F = Be-T/R where B = 5.45 x 10-6 N and R = 0.321 Å. At equilibrium, this force is equal to the magnitude of the attractive force given by F Determine the value of r at equilibrium. e² 4π€or²4. Calculate the potential energy of the system of Na* and CI ions when they are at a distance of 4Å.
- The principle behind hydraulic lift is Pascal's law, which of the following is its mathematical statement? O TK =T+273.15K O AL= aLoAT dQ AS = 1 |9192| 4 TEO dU = dQ – dW or AU = Q- W Q = MCAT F P= A O Fb = P fluidgV submerged Ορ-m/V V2 W = dVUna barra esta empotrada en su extremo A, tiene una fuerza de 15 kN en el punto B y otra fuerza de 91 kN en el punto C. Determine la elongación o contracción en la barra AC, en mm, positivo para elongación y negativo para contracción. A = 0.0035 m² E = 200 GPa C A -5 m- 2 m Bhello what sort of calculator did you use? i am using ti 84 and ti 89 still not getting the answer even when i use you numbers. i am a bit confused about that.
- 3 A one cm sample of a hypothetical material with conductivity of 108 (Ohm-meter) 1 is formed into a 10 cm wire. The material contains 1042 atoms per cm. Calculate the electron drift velocity when the wire carries an electrical potential of 10 V.Calcuations are incorrect, can I have help with explanation please12:55 O all atl & O16 Power Series Solution Usin... 1. (1-x)y'=y
