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For several years the recovery of gold - that is the separation of gold from other materials - involved the utilization of potassium cyanide4Au + 8KCN + O2 + 2H2O --> 4KAu(CN)2 + 4 KOH
Explain what is the minimum amount of KCN in moles needed to extract 29.0 g of gold
what is the lewis structure of C2H2Br2, also is it polar or non polar, are there any resonance structures or isomers?
the density of toluene c7h8 is 0.867 gml and the density of thiophene c4h4s is 1.065 gml. a solution is made by
A fuel gas containing 90% methane (CH4), 5% acetylene(C2H2) and 5% butane gas(C4H10) by volume is fed to a furnace in which it is completely burned with 10% excess air. The fuel gas flow rate is 1000 m^3/h at 15 degrees Celcius and 250 kPa.
Determine the number and symmetry of the vibrational modes in the molecule (trans-1,2-dichloroethylene). how many resonances would you expect to see in the IR spectrum
Reactions in which a substance decomposes by losing CO. calculate the minimum temperature at which the process would become spontaneous assumming delta H
if the dna coding sequence -caa-ccg-gat- were miscopied during replication and became -cga-ccg-gat- what effect would
Compute the atomic packing factor for cesium chloride assuming thatthe ions touch along the cube diagonals. Ionic radii ofCs+ and Cl- are 0.170 nm and 0.181 nm,respectively
What is the biological advantage (in KJ/mol of energy released as heat) of complete aerobic oxidation compared with anaerobic glycolysis to latic acid?
For the D3h point group draw 3X3 transformation matrix for each of the operations of this point group on a set x,y,z coordinate
1. the normal boiling point of acetone is 56.5degc. at an elevation of 5300 ft the atmospheric pressure is 630. torr.a.
What length of mirror drive in a Michelson interferometer is required to produce a resolution sufficient to separate a) infrared peaks at 500.6 and 500.4 cm-1
How many Joules of energy are stored in 1 pound (454 g) of sucrose? (Assume: Pressure = 1 atm, Temperature = 25°C; the respective ?Hf° for the reactants and products can be found in the thermodynamic table linked above. Show your calculation
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