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Enter the net ionic equation for the reaction of aqueous sodium chloride with aqueous silver nitrate.
monoprotic acid, has a pH=2.00. What is the value of the ionization constant, Ka for this acid?
Write the electron configuration of the atom in the third row of the periodic table that has the smallest E_{{rm{i}}4}.
A gaseous system undergoes a change in temperature and volume. What is the entropy change for a particle in this system if the final number of microstates is 0.617 times that of the initial number of microstates?
Draw a circuit diagram that has two resistors in series with a DC voltage source. If resistor one (R1) is 758 kohms and resistor two (R2) is 712 kohms, then what is the current flowing through the circuit if the voltage is 8.49 V?
If a contemporary wooden chair were somehow preserved to for the next 3,900 years, what C-14 dacay rate should be expected from the wood used to make the chair? (t1/2 = 5730)
what mole ratio of molecular chlorine to molecular oxygen would result from the breakup of compound Cl2O7 into its constituent elements.
When a 5.8 g serving of cereal burns in the same bomb calorimeter, the temperatrue of the calorimeter increases by 1.92 C. Calculate the fuel value of the cereal in kj/g.
A 100.0 mL sample of .20 M HF is titrated with .10 M KOH. Determine the pH of the solution after the addition of 100.0 mL of KOH. The Ka of HF is 3.5*10^-4
A 515 g piece of copper tubing is heated to 95.0°C and placed in an insulated vessel containing 57.0 g of water at 30.0°C.
An electron is confined to a linear region with a length of the same orderas the diameter of an atom (about 100 pm).
What effect on the temperature of a boiling liquid and on its distillation temperature is produced by a soluble, nonvolatile impurity?
What is the emprical formulae of the compound whose composition by mass is 1.32g of carbon dioxide contain 0.36g of carbon.
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