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Calculate how many atoms of potassium A three (3.00) mole sample of K2S would have ?
Calculate the current for diffusion-controlled electrolysis at t=0.1 sec and t over (1) planar and (2) spherical electrode, respectively Given n=1, Co*=1.00 mM (=1.00 X 10-6 mol/cm3), A=0.02 cm2, Do=10-5 cm2/s, and F=96485 C/mol,
The mass of an Argon atom is more than that of a Helium atom. Does that mean that because of Argon has larger mass, it exerts a higher pressure on the walls of container than Helium at the same volume, molar density and temperature? Give explanati..
What mass of Au is produced when 18.6 ampere of current are passed through a gold solution for 29.0 minutes.
A student measures the standard enthalpy change for reaction (C2H4(g) + H2O(g) CH3CH2OH(g)) to be -52.8 kJ :Calculate the standard enthalpy of formation.
Determine the partial pressure and the total pressure using Dalton's law of partial pressures - Determine the total pressure of the mixture.
Find the theoretical, percent yield and percent error of the reaction - Calculate the percent error of this reaction.
The dimerization of Nitrogen Dioxide has a rate constant of 2.45 x 10-2 L/mol min at 25 °C. What will be the concentration of NO2 after 2 minutes? given a starting concentration of NO2 = 11.5 mol/L
Complexometric titration and stoichiometry - How many grams of chloride ion were present in sample
15.0 moles of gas are in a 5.00L tank at 22.2°C. compute the difference in pressure between CH4 and an ideal gas under these circumstances. The van der Waals constants for CH4 are a=2.300L2⋅atm/mol2 and b=0.0430 L/mol.
Using a liquid sample of Na that has a molar heat of fusion of 2.06 kj/mol calculate the number of moles in a liquid sample of Na if sample releases 41.4 kj when it freezes?
Find the amount of known substance present in the mixture and determine the mass of calcium carbonate present in original mixture.
What is the mass of sodium ion circulating in the blood if the concentration of sodium ion in this individual is 0.135M.The average adult has a total blood volume of 5 liter.
what will be the theoretical yield of bromobenzene in given reaction as C6H6 + Br2 → C6H5Br + HBr also find out percentage yield when actual yield of bromobenzene was found 56.7 g?
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