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What is the % barium in an alloy if it takes 22.0 mL of 0.875M sulfuric acid solution to react with all the barium in a 7.59 g sample of the alloy
Calculate the molality of a hydrochloric acid solution that is 26.4% by mass and has a density of 1.19 g mL^-1
Describe a procedure that might be used to separate p-dichlorobenzene
If 110mg of fluorine-18, which has a half-life of 110min, is shipped at 8:00 a.m., how many milligrams of the radioisotope are still active if the sample arrives at the radiology laboratory at 1:30 p.m.?
If 0.90 mole of MnO2 and 48.2 g of HCl react, which reagent will be used up first?
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.
carbon monoxide and 10% remains undurned. Calculate the compostion of the exhaust gas on a wet basis.
However, if you treat formaldehyde (CH2O) with potassium cyanide in water, you will not produce the cyanohydrin. You may even produce C3H6O3 (i.e., dihydroxyacetone and glyceraldehyde). Explain this either in words or reactions.
If a bottle of nail polish remover contains 172 of acetone,how much heat would be released by its complete combustion? The density of acetone is 0.788 .
In a gas mixture, the partial pressures are nitrogen 435 , oxygen 145 , and helium 240 . What is the total pressure ( torr) exerted by the gas mixture?
A tightly sealed 5.0 L flask contains argon at 69.0 deg. C and 781 mm Hg. The flask is heated until the pressure is doubled. What it the temperature of the gas.
An experiment was performed to determine the solubility and the solubility product constant of gallic acid, a monoprotic organic acid (gmm=170.12). The equilibrium involved is: C6H5O3COOH(s) C6H5O3COO-(aq) + H+(aq)
Arrange the following ions in order of increasing split between the t2g and eg sets of d orbitals- that is, in order of increasing delta o.
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