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Show the orbital-filling diagram for S (sulfur). Stack the subshells in order of energy, with the lowest-energy subshell at the bottom and the highest-energy subshell at the top.
Calculate the expectation value for the kinetic energy of the H atom with the electron in 2s orbital. Compare your result with total energy
How much heat is required to convert 25.0g of ethanol at 25 degrees C to the vapor phase at 78 degrees C?
A buffer is made by dissolving HC2H3O2 and NaC2H3O2 in water. Write an equation that shows how this buffer neutralizes added: Acid, Base
calculate the ph of a solution of calcium carbonate having [calcium ion]=1.3x10^-4M,[carbonate ion]=3.8x^10-5M and [HCO3]=8.8X10^-5M
A mixture of 2.0 mol of CO(g) and 2.0 mol of H2O(g) was allowed to come to equilibrium in a 10.0L flask at a high temperature. If Kc-4.0, what is the molar concentration of H2(g) in the equilibrium mixture
sample of benzoic acid is burned in a bomb calorimeter at 25 degrees C, and the temperature increases by 3.72 degrees C. What is the calorimeter constant?
A stream of humid air containing 1.00 mole % H2O(v) and the balance dry air is to be humidified to a water content of 10.0 mole % H2O. For this purpose
Calculate the molar concentration of illinic acid and of its conjugate base illinate ion (in moles/L; M) in a 3 M illinate buffer at pH 7.5. The pKa of illinic acid is 6.7.
Describe in details how we can determine the acid dissociation constant Ka for a week acid HA , include the description of the titration method and how determine the Ka from the reaction curve
Determine the molar mass of the compound if boiling point constant for CCl 4 =4.95 K · kg/mol.?
The rate constant for the reaction 2HI(g) -> H2(g) + I2(g) doubles on raising the temperature from 683K to 698K. What is the activation energy fro this reaction in kJ/mol
what will be the final temperature of the system when thermal equilibrium is attained
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