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if Ka1 = 0.059, Ka2 = 6.5×10^-5 and Kw = 1×10^-14 then compute the molarity of (C2O4)2- in 0.13 M oxalic acid and express your answer in units of mol/L
Determine how many moles of SO3 are formed if 12.24 moles of O2 react with excess SO2,? use the balance equation given as 2SO2(g)+O2(g)----> 2SO3(g)
Explain how the vapor pressure of a compound is related to the liquid-vapor equilibrium and its equilibrium constant.How would it vary with the addition of more liquid?
Consider the reaction A+2B = C whose rate at 25 C was measured using three different sets of initial concentrations as listed in the following table: Trial Rate 1 0.25 0.010 7.5×10?4 2 0.25 0.020 1.5×10?3 3 0.50 0.010 3.0×10?3 Part A What is the r..
Proteins can be unfolded, or denatured, by agents that alter the balance of weak noncovalent forces that maintain the native conformation. How would the following agents cause a protein to denature
The heat of vaporization of a substance is 2800 J/g at its boiling point of 219 degree C. How much of this substance can be vaporized if 62800 J energy are available?
What volume of chlorine gas at 25.0 Celsius and 855 mm Hg of pressure is required to react with 84.0g of phosphorus as given
Fe^3+ is reduced to Fe^2+ by S^2-, which is oxidized to elemental S. Write the net ionic balanced equation for this redox reaction in basic solution.
The decay rate for carbon 14 in the sample is 14.2 dis/min per graham carbon. In what year was the coffin most likely made? ( Assume the half life of carbon-14 is 5730 years and that the decay rate for carbon 14 in living organisms is 15 dis/min p..
The phosphorous anion (P-) has how many total electrons and how many valence electrons?
you mix 242 grams of NaCl with enough water to form 500 mL of solution. What is the final molarity?
A cylindrical glass tube 15.0 cm in liength is filled with ethanol. The mass of ethanol needed to fill the tube is found to be 9.64g.
Choose the answer which presents the chemical formulas for two substances in order of decreasing melting point (highest melting point first) and gives a valid reason for this order.
A sample of nitrogen gas at 298 K and 0.980 atm has a volume of 37.42 L. What volume will it occupy if the pressure is increased to 1.176 atm at constant temperature
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