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Calcium fluoride has a Ksp of 3.9 x 10^-11 at 25 C. What is the fluoride ion concentration at equilibrium?
Method for Trapping a Gas, The decomposition of 3-sulfolene to form 1,3-butadiene generates 1 mole of sulfur dioxide gas per mole of 1,3-butadiene. Substantial quantities of SO2 would be generated if this decomposition were carried out on a large ..
The valve connecting a 2.93 L bulb containing a oxygen gas at a pressure of 2.94atm, and a 9.27 L bulb containing carbon dioxide gas at a pressure of 4.52 atm
A procedural change would be essential if a boy want to determine the tomato juice's acidity by titrating a sample of juice with NaOH(sodium hydroxide) solution Briefly explain What change would you make to the procedure ?
Use the standard enthalpy change of formation data to calculate the standard enthalpy change of combustion of C5H12O.
A 15.0--mL unknown sample of aqueous acetic acid, CH3COOH(aq), was titrated using 0.800 M NaOH. If the titration endpoint was found to be 20.0 mL.
Among the electrolytes Na2SO4, CaCl2, Al2(SO4)3 and NH4Cl, the most effective coagulating agent for Sb2S3 sol is
Imagine that a chemist has cyclohexanone, triphenylphosphine, butyllithium, and 2-bromobutane.
Given that the concentration of the most dilute solution is 2.57*10 \(-6\) M. Determine the concentration of the original HBr stock solution
When placed in a graduated cylinder that initially contains 24.00 mL of water, the water level rises to 28.55 mL. What is the density of the unknown material?
The mass of an electron is 9.11\times 10^{-31}~\rm kg. If the de Broglie wavelength for an electron in a hydrogen atom is 3.31\times 10^{-10}~\rm m, how fast is the electron moving relative to the speed of light? The speed of light is 3.00\times10..
What is the identity of the atom A When a solution containing .634 grams of ACl 3 was permitted to combine with an excess of aqueous silver nitrate AgNO 3
The rate constant (k) for a reaction was measured as a function of temperature. A plot of ln k versus 1/T (in K) is linear and has a slope of -7445 K. Calculate the activation energy for the reaction
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