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Given the values of So given below in J/mol K, calculate the value of ?So in J/K for the combustion of 1 mole of ethane to form carbon dioxide and gaseous water. S (C2H6(g)) = 230.4 S (O2(g)) = 206.0 S (CO2(g)) = 215.5 S (H2O(g)) = 186.3
Using the following equation: 2AgNO3+MgBr2->2AgBr+Mg(NO3)2 calculate the moles of silver bromide and magnesium nitrate produced by 85 mol of magnesium bromide reacting with silver nitrate.
If the cylinder then sits in the storage at 293 K for a long time, what is the entropy change of the universe (from the original unfilled state)?
Calculate the maximum non-expansion work that can be done on the surroundings from the combustion per kilogram of H2(g) at constant pressure and 298.15K.
Determine the concentration of the HCL solution from the data for the standardization of the HCl with the Na2CO3 Na2CO3 had 0.0826 grams in 25ml of water Initial volume of HCl
Lead thiocyanate, rm Pb(SCN)_2, has a K_sp value of 2.00 times 10^{-5}.Calculate the molar solubility of lead thiocyanate in 1.00 it M rm KSCN.
suppose the actual yield is 7.52 of CH3OH. what is the % yield?
Using the equation Fe2O3+2Al-->2Fe+Al2O3, how many grams of Al are needed to completely react with 135 g Fe2O3
A) a saturated solution of metal hydroxide, M(OH)2, has a pH of 10.35. Calculate the molar solubility and the ksp, for this metal hydroxide? M(OH)2(s) >>M^2+2OH1- B) What is the molar solubility if this metal hydroxide in 0.10 M M(NO3)2
A cell that uses bromine to oxidize hydrogen H^+ under standard conditions at 298 K has a positive potential.
Assign an oxidation number to each atom in the following compound: K2CrO4 , H2SO3, FE(OH), Fe O H
A soft drink contains 35 mg. of sodium in 315g. of H2O. What is the concentration of sodium in the soft drink in mass percent?
Calculate the concentrations of the nonionized acid (HA) and of the ions of a 0.100 M formic acid (HCO2H) solution at equilibrium, and calculate % ionization.
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