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Why +ve P.F. gives nuclear instability where as -ve PF gives nuclear stability? Explain
into an evacuated 30l vessel is placed 0.1mol of n-butane dissolved in 0.9mol of n-hexane. if the vessel and its
Assume that you have an aqueous solution of an unknown salt. Treatment of the solution with dilute NaOH, Na2SO4, and KCl produces no precipitation. Which of the following cations might the solution contains?
A solution of HCl has a pH of 2.50. How many grams of HCl are there in 0.250 L of this solution? How many grams of HCl are in 250mL of an HCl solution that has twice this pH
a 0.5485 g solid mixture have only ferrous chloride hexahydrate andnbsp ferrous ammonium sulfate hexahydrate. dissolved
A tanker truck carrying 5.0 103 kg of concentrated sulfuric acid solution tips over and spills its load. If the sulfuric acid is 94.0% H2SO4 by mass and has a density of 1.84 g/mL, how many kilograms of sodium carbonate must be added to neutralize..
Consider a solution of 0.1 M Zn2+ and 0.1 M Cu2+ that is saturated with H2S. Explain the solubility product constants for ZnS and CuS are 1.1e-21 and 6e-36 respectively. Demonstrate that both ZnS and CuS will precipitate at a pH of 8.
Thirteen grams of titanium react with 60.0 g of bromine. How many grams of titanium(IV) bromide are produced, assuming 100% yield.
What is the purpose of the exposure assessment and why was the exposure assessment conducted - what type of sampling (personal or area) was conducted, and why?
assuming no heat loss to the surrounding environment determine the minimum duration of time necessary for a 100 w
At what point is a buffer solution no longer effective in resisting a pH change when a strong acid is added
A 2.00 mole quantity of SO2Cl2 was placed in a 2.4L container. Initially there are no products in the container. At equilibrium it was determined that 49.0% of the SO2Cl2 had dissociated. What is the value of th equilibrium constant under these co..
Ethylene epoxide (C2H4O) decomposes to form CH4 and CO. Small quantities of H2 and C3H6O are also formed. The following reaction mechanism has been proposed:
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