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What characteristic H NMR absorption would be expected in the aliphatic region for 9-hydroxyfluorene?
A metal sulfide is 71.6% metal by mass. What is the mass fraction of the metal in the metal sulfide?
A solution of magnesium chloride is mixed with a solution of sodium hydroxide. Predict any precipitates that are formed
Calculate the mass(in grams) of solids you must measure out to prepare 100 mL each of 0.025 M CuSO4, 0.025 M Ca(NO3)2, 0.025 M Al(NO3)3, and 0.025 M KCl.
Use the Born-Haber cycle to calculate the standard enthalpy of formation (?H) for LiCl(s) given the following data: ?H(sublimation) Li = 155.2 kJ/mol I1 (Li) = 520 kJ/mol Bond energy (Cl-Cl) = 242.7 kJ/mol EA (Cl) = 349 kJ/mol Lattice energy (LiCl..
A student evaporated 100.0 mL of a saturated TlCl solution and found the solid TlCl she recovered weighed
500 mL of 0.22 M HCl and 500 mL of 0.20 M NaOH were added to a calorimeter. Assume both substances have a density of 1 g/mL and a specific heat capacity of 4.184 J/g°C.
If a 200 mg piece of gold (density =19.32 g/cm^3) is hammered into a sheet measuring 2.3x1.0 ft, what is the average thickness of the sheet in meters?
A newly developed substance that emits 315 W of photons with a wavelength of 275 nm is mounted in a small rocket such that all of the radiation is released in the same direction.
When one mole of C6H6 is burned, 3.27 MJ of heat is produced. When the heat from burning 6.65g of C6H6 is added to 5.69 kg of water at 21C, what is the final temperature of the water.
When anisole is nitrated with nitric acid/sulfuric acid, what product or product mixture is formed?
10g of CH4 is combusted in a calorimeter that has an empty heat capacity of 18 J/C. The calorimeter contained 150 g of water. If the temperature changed from 25.2C to 30.3C. Calculate the molar heat of combustion of methane in J/mol
Which of the following elements are diatomic gases at 25 degrees celsuis and one atm: H, He, C, N, O, F, Ne, P, S, Cl, Ar, Se, Br, Kr, I, Xe, and Rn?
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