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calculate teh PH of 2.0m NaCN. what is the concentration of HCN in the solution?
Calculate the molar solubility of strontium chromate in water at 298 K if Ksp = 3.6 * 10-5.
The Br-F bond distance in the interhalogen compound BrF is 1.76 Å. Use this information to estimate the average
The temperature is 60 °F throughout . hey guys i already signed up for the web site you are going to send me but i couldn't find the answer
What volume of 0.1000 M NaOH is required to titrate a 0.1000 M propionic acid solution, CH3CH2COOH, Ka = 1.3 x 10-5 , to the equivalence point?
A solution contains 29 g of sucrose (C12H22O11), a nonelectrolyte, dissolved in 929 g of water. What is the boiling-point elevation?
The vapor pressure of is 100 at 5.4, and the normal boiling point is 56.8 . what is enthalpy in vaporation in kj/mol?
At 25 degree C the heat of fusion of Al is 10.6 kJ/mol and the heat of sublimation is 326.4 kJ/mol. What is the heat of vaporization of Al at 25 degree C.
Serum taken from a patient being treated with lithium for manic-depressive illness was analyzed for lithium concentration. A reading of 276 units was obtained for the intensity of the 671 nm red emission line
Determine the amount of heat energy is needed to raise the temperature of 0.362 kilograms of Cu from 23. Degree Celsius to 60 degree Celsius?
determine the empirical and molecular formulas of a hydrocarbon which has a molecular weight of 84 mass unit which contains 85.7% carbon.
Adrenaline is the hormone that triggers the release of extra glucose molecules in times of stress or emergency. A solution of 0.64 g of adrenaline in 36.0 g of CCl4 elevates the boiling point by 0.49°C. What is the molar mass of adrenaline?
You are given the chemical reaction (unbalanced equation): AsF3 + C2Cl6 AsCl3 + C2Cl2F4, if 1.3618 mol of AsF3 are allowed to react with 1.000 mol of C2Cl6, what would be the theoretical yield of C2Cl2F4, in grams?
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