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The metal rhodium has an FCC crystal structure. If the angle of diffraction for the (311) set of planes occurs at 36.12° (first-order reflection) when monochromatic x-radiation having a wavelength of 0.0711 nm is used, compute (a) the interplanar spacing for this set of planes, and (b) the atomic radius for a rhodium atom.
The temperature of the water rose from 25.00 degree C to 28.21 degree C. Assuming all the heat from the metal was transferred to the water, calculate the specific heat of the metal.
What is the pH of a solution that is 0.30 M in Aniniline, C6H5NH2, and 0.15 M in Anilinium Chloride, C6H5NH3+ Cl-
Calculate the amount of energy (in Kj) necessary to convert 317g of liquid water from 0*c to water vapour at 172*c. The molar heat of vaporization of water is 40.79kj/mol.
A student determines that a 5.869g sample of solid displaces 1.75 mL of water in a graduated cylinder. Another student measures a 7.254g sample of the same metal. What volume of water should the second sample displace
If a triacylglycerol in peanut oil that contains one oleic acid and two linoleic acids is completely hydrogenated, draw the condensed structural formula for the product.
Write the equation of the cell reaction and indicate cathode and anode half-cells for the electrochemical cell formed from a Mg/Mg^2+ half-cell and In/In^3+ half-cell.
A gas sample is known to be a mixture of ethane and butane. A bulb of 200.0 cm^3 capacity is filled with the gas to a pressure of 100.0 x 10^3 Pa at 20.0 degrees C. If the weight of the gas in the bulb is 0.3846 g, what is the mole percent of buta..
Because electron transport is coupled to ADP phosphorylation, it is theoretically possible to drive electrons backwards up the chain, against the potential gradient, at the expense of ATP.
Use the Nernst Equation to calculate Ecell at 25 C for electrolysis of aqueous sodium chloride if the concentration of chlorine in the brine solution is 4.5 M and the partial pressure of Cl2 is 0.001 atmospheres.
When SiO2 is heated to melting, it reacts with solid carbon to form liquid silicon and carbon monoxide gas. in an industrial preparation of silicon, 155.8 Kg of SiO2 reacts with 78.3 Kg of carbon to produce 66.1 Kg of silicon.
use the van der waals equation to calculate the pressure of 4.21L CO(g) at 300°C. (a= 1.472 bar L^2mol^-2 and b=0.0395L mol^-1)
Calculate the pH of a solution made by adding 40. g of sodium acetate, NaCH3COO, to 21 g of acetic acid, CH3COOH, and dissolving in water to make 700. mL of solution
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