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A solution is made by adding 2 x 10^-4 M NaHSO4 to water. What is theequilibrium pH of the solution? Solve by graphical method (draw a log C -pH graph and label the pertinent info, show your charge balance for the equation)
How many mole of sodium hydroxide is contained in a lye solution in which 130 grams of sodium hydroxide
the electrode half-reactions and calculate the standard potential of the following cell: Cu / Cu2+(aq) // Mn2+(aq),H+(aq) / MnO2(s) / Pt
Karel added 45.5 mL of 1.1 M HCl to his; and Caleb added 50.0 mL of 1.0 M HCl. Two of these students will report, within experimental error, the same increase in solution temperature for the neutralization. Which are the two students? Explain.
The initial temperature of the calorimeter is 23.0. If 6.30 of is added to the calorimeter, what will be the final temperature of the solution in the calorimeter?
If 2.50 mol of copper and 5.50 mol of silver nitrate are available to react by single displacement, identify the limiting reactant.
prepare 10 ml of solution that represents a 4 fold dilution of the stock solution
At a given temperture, of the following reaction has a Keq equal to 25. If 0.100 mol of both SO3 and NO were placed into a 1.00 L container, what would be concentration of SO3 at equilibrium?
How much heat is evolved when 27.0 g of glucose is burned according to this equation? C6H12O6 + 6O2 → 6CO2 + 6H2O; Δ H comb. = -2808kJ
If I have 7.6057 grams of helium gas held at a temperature of 5 atm and in a container with a volume of 50 liters, what is the temperature
If a wave has a frequency of 6.9536 x 109 Hz and an energy of 4.6076 x 10-24 J, what is the speed of light.
A solution is made by mixing exactly 500 mL of 0.180 M NaOH with exactly 500 mL of 0.100 M CH3COOH. Calculate the equilibrium concentration of the species
Consider the following data: expect a BeF2 molecule to be linear but an SF2 molecule to be angular. Explain the decreasing melting point from NaF to Nai.
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