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White gold is plated with rhodium (Rh) in order to make it look more like silver. Explain how many coulombs of electricity must be pumped through an rhodium (III) solution in order to plate 1 gram of solid rhodium?
Why is I2 the limiting reactant in the form of SnI2. look at the redox potentials for all possible reactions.
A certain second-order reaction (B--->products) has a rate constant of 2.00×10^-3 M^-1 s^-1 at 27 Celsius and an initial half-life of 214 s. What is the concentration of the reactant after one half-life
Molecular formula of a compound and Deduce from these data the corresponding equation and write formulas for the oxide and sulfate of M .
Calculate the pH for a mixture of .050 M formic acid (HCO2) and .050 M hypochlorous acid (HClO)
calculate the wavelength of the photon emitted when an electron drops from 4d obital to a 2p orbital in a hydrogen atom using Rydberg constant as 1.097 x 10-2 pm-1 .
Ammonia is produced by the Haber process, in which nitrogen and hydrogen are reacted directly using an iron mesh impregnated with oxides as a catalyst. For the reaction
Malonic acid =HOOC-CH2-COOH abbreviated H2A 50 100 150 200 vol. of NaOH added (mL) Point B Given that Kal = 1.5 X 10-3and KaZ= 2.0 X 10-6for malonic acid, answer the following questions: A. Write out the reactions and the equilibrium expressions a..
If a random sample of this element collected from the tail of a comet has an weighted average atomic mass of 10.788 amu, what is the percent abundance of the lower-mass isotope?
on a recent autumn day the consentration of carbon monoxide in the air in downtown denver co. reached 3.0 x 10 2 ppmv.
If 2 volumes of 0.1 M monobasic potassium phosphate, KH2PO4, are mixed with 1 volume of 0.1 M dibasic sodium phosphate, Na2HPO4, what will be the pH of the mixture?
Compute the boiling point of a solution composed of 70.0 g of cholesterol (C27H46O) dissolved in 255 g of chloroform.
The following choices list some common laboratory solvents. In which of these solvents would LiCl be the LEAST soluble
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