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The color of most coordination compounds can be explained by the energy difference between the two sets of d orbitals in a complex.
What is the selenide ion concentration [Se2-] for a 0.100 M H2Se solution that has the stepwise dissociation constants of Ka1 = 1.3 x 10-4 and Ka2 = 1.0 x 10-11
When white phosphorous (P4) is heated above 1100 K, the following equilibrium is observed in the gas phase P4 ? 2P2 b. The equilibrium constant has been measured as a function of temperature for this reaction
.4550 g of rock containing douglasite is treated by AgNO3. it took 37.20 ml of 0.1000 M AgNO3 to precipitate all Cl- as AgCl. Calculate the % mass of the mineral in the sample
Infrared spectroscopy----How would you know if you used too much liquid and what would you do about it. what will damage the salt plates
How much heat is absorbed in the complete reaction of 3.00 grams of SiO2 with excess carbon in the reaction below? Change in H degrees for the reaction is +624.6 kJ. SiO2 (g) + 3C (s) -> SiC (s) + 2CO (g)
The hydrosylation of polymer A is carried out in the presence the polymer forms a hard gel. if the price of pt is 44$ per gram and the sale price of the hardened polymer is 2000 per ton, what is teh min catalyst TON for an economiclly viable proce..
What effect will increasing the temperature have on the system? Fe3O4(s) + CO(g) ?? 3 FeO(s) + CO2(g) DH°= +35.9 kJ A) No effect will be observed. B) The reaction will shift to the right in the direction of products.
Mass of sodium acetate: 3.472 g pH of Original buffer solution: 4.72 ph of buffer + 6 M HCl: 3.99 ph Buffer + 6 M NaOH: 5.23 And I need help showing calculations on pH of buffer solution, buffer + HCl, and buffer + NaOH
A bowl of 510 g of water is placed in a microwave oven that puts out 611 watts (J/s). How long would it take in seconds to increase the temperature of the water from 12.0oC to 49.5oC
A solution is prepared by dissolving 30.0 g of Na2SO4 in enough water to make 750.0 mL of solution. A 10.00 mL portion of this solution is then diluted to a final volume of 100.0 mL.
a 130g piece of metal is heated to 286C and dropped into 87.0g of water at 26C, if the final temperature of the water is 58.3C.
A sample is composed of a mixture of CaCO3 and CuSO4*5H2O. A chemist decided to analyze the mixture by dehydrating it by heating it to 120 degrees Celsius for 12 hours. If a 5.327 g sample weighed 4.281 g after dehydration
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