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Determine the velocity of a medicine ball (m = 10.0 kg) with a wavelength of 1.33 × 10-35 m.
Calculate the weight percent composition of the mixture (hexane, heptanes, hexanol, and toluene). b. Calculate the mole percent composition of the mixture.
Find out the Kb of ammonia if the pH of a buffer formed by mixing 50.0 mL of 1.00 M NH 3 and 50.0 mL of 1.00 M ammonium nitrate?
Our stock solutions are 0.2M EDTA, 0.04 M NaF and 1.2 M potassium phosphate. What volumes of the stock solutions should be measured?
Electrical conductivity of a pure semiconductor like Si results from the thermal movement of electrons into the conduction band ii) pure Si doped with arsenic would act as a p-type semiconductor
Calculate the pH and pOH of each of the following solutions. [H3O+] = 1.5x10^-8 M? [H3O+] = 1.0x10^-7 M? [H3O+] = 2.2x10^-6 M
If a solution containing 48.91 g of mercury(II) acetate is allowed to react completely with a solution containing 7.410 g of sodium sulifide how many grams of a solid precipitate will be formed?
Draw the mechanism that illustrates the conversion of 2-chloro-2-methylbutane to 2-methyl-2-butyl isopropyl ether with 2-propanol as the nucleophile.
a turbine operates by the impact of a high velocity jet of steam against the turbine blades. The steam leaves the turbine at a lower velocity. For the turbine depicted, steam from a high pressure nozzle enters the air and strikes the blades of a t..
EDTA is utilized to slow microbial degradation of mayonnaise by preventing bacterial uptake of iron. Assuming that mayonnaise has a pH of 3.9 and a total iron content of 10-6 mole/liter, how much EDTA must be added to complex 99% of the total Fe
how many moles of ethylene glycol should be added to the radiator to lower the freezing point of the water from 0 degrees celcius to -18 degrees celcius?
The equilibiurm constant Kc for the reaction below is 4,2 at 1650 degrees Celcius. H2(g)+CO2(g)---->H2O(g)+CO(g). Initially 0.80 mol H2 and 0.08 mol CO2 are injected into a 5.0-L flask
converting liquid water to solid ice releases 1.44 kcalmol.awhat is the sign of delta h for this process?bhow many
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