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2 g of a mixture of carbonate , bicarbonate and chlorides of sodium on heating produced 56 ml of CO2 at NTP. 1.6 g of the same mixture required 25 mlof N HCl S solution for neutralization. Calculate % of each component present in mixture.
Which side of the reaction (reactants or products or neither) is favored structurally? (f) Calculate the pH of the system that will generate a cell potential, ?E, of + 0.157 V when the ratio [Fe-S(Fe2+)]/[Fe-S(Fe3+)] = 2.25, [CoQ] = 8.17 x 10-4M, ..
Calculate the number of grams of NaOH per 100ml to give a pH8.0 solution if pure water at pH7.0 is used in the experiment. Repeat this calculation for a pH6.0 solution using HCl.
Consider two samples of liquid: one mole of water H2O and one mole of ethanol C2H5OH. The density of water is 1.0 g/mL, and the density of ethanol is 0.785 g/mL. Answer each of the following questions by selecting the correct choice.
How much energy is required to vaporize 158g of butane (C4H10) at its boiling point, if it has Hvap is 24.3kJ/mil
Determine the mass of H 2 O is formed if oxygen of 10.0L react completely in the given equation?
A 1.00 g sample of an unknown acid required 17.0 mL of .650 M NaOH to neutralize. What is the molar mass of the unknown acid?
Question- How long will it take to produce 78.0 g of Al metal by the reduction of Al3+ ions in an electrolytic cell with a current of 2.00 amperes? ( Al: 26.98 g/mol)
A certain reaction has an activation energy of 57.42 kJ/mol. At what kelvin temperature will the reaction proceed 3.50 times faster than it did at 353 K
Find the of % Nickel in the coin solution: molarity of Nickel is .8469 density of coin solution as 1.00g/mL
Select the strongest interparticle force(s) present in Mg3N2.
The NO molecule has a double degenerate electronic ground state and a double degenerate excited state at 121.1 cm- 1. Calculate and plot the electronic contribution to the molar heat capacity of the molecule up to 500K
if you started a ride with ice packs that held 1300 g of frozen water at 0 rmcircc and the temperature of the water at
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