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The saturated solutions of Ca(OH)2 contain a white solid which was removed by filtering. What is this solid? If it were not removed, how would it affect the calculated (observed) values for Ksp and solubility of Ca(OH)2?
A saturated solution of Mg(OH)2 is prepared and allowed to equilibriate at 25 degrees celcius. A 25.00 mL sample of the 25 degrees celcius solution is titrated with 0.00508M HCL solution. 1.38 mL of the HCL solution are required to fully react the..
The oxidation of hyrogen by oxygen is one of the most-used reactions in fuel-cell technology. The overall reaction, which is given below, has a (Delta)G^o value of -474 kJ/mol.
What is the molar mass of the unknown acid? B) As the acid is titrated, the pH of the solution after the addition of 15.00mL of the base is 9.46. What is the Ka for the acid?
A 0.2254g sample of naphthalene (C8H10, 128.16g/mol) was burned in a bomb calorimeter with a heat capacity of 2.18kJ/K and temperature increased by 4.16 Celcius, what is the molar enthalpy of combustion for this compound
The reaction for the decomposition of dinitrogen monoxide gas to form an oxygen radical is: N2O--->N2 + O2. If the activation energy is 250 kj/mol and the frequency factor is 8.0 x 10^11 s^-1, what is the rate constant for the first order reaction..
A first order decomposition reaction has a rate constant of 0.0418yr-1. What is the half-life of the reaction in yr
Show how each of the following errors would affect (increase, decrease or no change) your calculated value for the molar volume of O2 at STP (Presuming that you complete the experiment otherwise correctly).
it is given that the bond length of hi 161pm.nbspcompute the moment of inertia of the molecule in kg m2. and also
If fuel mixtures are required to contain 3.0 oxygen by mass, how many grams MTBE must be present in each 110 gasoline.
What are the equilibrium concentrations of the dissolved ions in a saturated solution of Al(OH)3 at 25 degrees celcius? (Ksp is (2x10^-32))
Calibration of a glass electrode gave a reading of 126.7 mV with saturated potassium hydrogen tartrate buffer standard (pH = 3.557) and a reading of -202.4 mV with 0.01 m borax buffer standard (pH = 9.139), both measured at 30°C.
Question- A. Calculate the ratio of solubility of Mg(OH)2 dissolved in pure H2O to Mg(OH)2 dissolved in a 0.180M NaOH solution.
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