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To measure the volume of an irregularly shaped container filled with water, 1.00ml of 2.00M potassium chloride solution is added. After stirring, a 5.00ml sample was found to contain 2.54*10^-2mg of potassium ion. What is the volume of the container?
If the valve is open and the gasses mix and assuming that the temperature is constant, what is the final total pressure
how many pounds of are produced from the complete combustion of 1.00 gal of gasoline? assume that gasoline has the
What should the molar concentrations of benzoic acid and sodium benzoate be in a solution that is buffered at a pH of 4.55 and has a freezing point of -2.0 °C.
From the values of delta H and delta S, predict which of the following reactions would be spontaneous at 25*C:
It took 3.66 min with a current of 2.28 A to plate out all the silver from 0.210 L of a solution containing Ag+. What was the original concentration of Ag+ in the solution
Chromium metal can be plated from an acidic solution of CrO3. CrO3(aq) + 6H+(aq) + 6e- Cr(s) + 3H2O How many grams of chromium will be plated by the passage of 19,300 C (coulombs).
Explain why an optically inactive product is obtained when (-)-3-methyl-1-pentene undergoes catalytic hydrogenation.
The oxide of which of the following metals should have the greatest lattice energy?
Calcium carbide reacts with water to form acetylene and calcium hydroxide. From the following enthalpy data calculate Delta Hf for CaC2
The molar heat capacity of silver is 25.35J/mol °C. How much energy would it take to raise the temperature of 9.80 of silver by 17.4°C
If 30.00 mL of 0.500 M KOH are needed to neutralize 10.00 mL of HCl of unkown concentration, what is the molarity of the HCl
When 1.150 grams of an unknown nonelectrolyte dissolves in 10.0 grams of water, the solution freezes at -2.16°C. What is the molecular weight of the unknown compound? Kf for water = 1.86°C/m.
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