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write two equations that show thw two-stage ionization of sulfurous acis in water.(H2SO3)
which stage of ionization is likely favored?
As gas expands from 1.00 L to 2.50 L against constant pressure of 820 torr. Calculate the change in internal energy for the gas, if 120 J of heat is transferred to the gas during the expansion.
a toxicologist studying mustard gas, S(CH2CH2Cl)2, prepares a mixture of 0.675 M SCl2 and 0.973 M C2H4 and allows it to react at room temperature (20.0 c) at equilibrium S(CH2CH2Cl)2 = .350 M. calculate Kp
The wavelength corresponding to the threshold frequency to tungsten surface is 230nm. Calculate the kinetic energy of the photoelectron ejected from the surface of tungsten metal.
How many moles of NaOH will need to be added to 100.0 mL of 0.100 M acetic acid to make a buffer with a pH of 5.00?
A goose is flying south for the winter at a constant speed. Keep in mind that one mile is 1.61 , and one pound is 454 .The goose has a mass of 20.1
A compound is analyzed and found to contain 12.1% carbon, 16.2% oxygen, and 71.7% chlorine (by mass). Calculate the empirical formula of this compound.
Write a net ionic equation for the precipitation reaction, if any, that occurs when aqueous solutions of the following ionic compounds are mixed. Cu(Ch3COO)2 and Na3PO4.
if 0.100 m NaCl is added slowly to a beaker containing both .120m AgNO3 and .150m Pb(NO3)2 at 25 celsius which will precipitate first AgCl or PbCl2?
The initial volume of a sample of argon gas is 415 mL at 323°C. If the pressure is held constant and the volume is changed to 599 mL, what will be the new temperature (in °C)?
Why is this important and if this step was not done, how could this change your results (in other words what specifically would happen to the Ksp value?
How many grams of solute are needed to prepare 500.0 mL of a 0.375 M CH3OH solution.
A certain automobile of mass 1920 kg travels on a German autobahn at 120 km/h. What is the wavelength of the automobile?
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