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Calculate the concentration of silver necessary to begin precipitation of AgCl from a solution in which the Cl concentration is 7.4e-4 M.
a sample of gas has a volume of 0.106 L at 37 degrees Celsius and 0.920 atm. what is the volume of stp (1 atm and 0 degrees Celsius)
Pure metals are commonly recovered from sulfide ores by successive processes of roasting in air (oxidation), dissolution in sulfuric acid and electrolysis (reduction). Consider the starting ore mineral sphalerite (ZnS). Write balanced chemical rea..
write a plausible chemical equation to interpret at the atomic level what you observed in the reaction of Lysol Toilet Bowl Cleaner with 0.1 M AgNO3?
Calculate DeltaHrxn for the following reaction: CH4(g) + 2Cl2 (g) --- CH2Cl2(g) + 2HCl(g) Use the following reactions and given delta H's
A compound, A, c6h8, yields a single organic product, B, upon ozonolysis and absorbs two moles of hydrogen on catalytic hydrogenation to give C
The mass of a golf ball is 45.9 g. If it leaves the tee with a speed of 61.0 m/s, what is its corresponding wavelength?
The Al2O3 does not react. If the sample residue weighs 2.489 g, what is the mass fraction of Fe2O3 in the original sample?
The standard molar enthalpy of formation of ClF3 is -405 kJ. 1/2 Cl2(g) + 3/2 F2(g) → ClF3(g)
When o-phthalaldehyde (1-2-benzenedicarbaldehyde) is treated with KOH, and the reaction mixture is acidified, a single neutral product, isomeric with the starting material
Calculate the average speed of an oxygen gas molecule, O2, at 21.0 degrees Celsius. Express your answer numerically in meters per second.
The U.S. national ambient air quality standard for CO in a 1-hr period is 35 ppm. How many times greater than this standard is the CO concentration in cigarette smoke
to find Sorxn and determine if the reaction is spontaneous at 900oC.(2 pts). 2NH3(g) + 3CuO(s) %u2192 3H2O(l) + N2(g) + 3Cu(s)
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