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When you calculate the molarity and molality of the EDTA solution are the values very similar or not? Explain if this is what you might expect for a dilute aqueous solution with a density very close to 1.0 g/mL.
consider the equilibrium 2i g-i2g what will be the effect on the position of equilibrium of a decreasing the
If a 1.00 cm^3 solid cube of alumina ceramic initially at 300 C is placed in 50 ml of H2O initially at 25C in a closed, insulated container: (a) what will be the final temperature of the system when thermal equilibrium is attained.
When a catalyst is added the reaction 2SO2(g)+O2(g)?2SO3(g) takes place. At equilibrium the total pressure is 4.05atm . Find the value of Kc.
Estimate dissociation energy of HF using simpe additivity rule If given that d(H-H) and D(F-F) IN H 2 is 336kj/mol and F2 is 258 kj/mol
Calculate the water evaporated n each evaporator, assuming that the fraction of water in the feed removed in each evaporator is the same. Then, develop a linear model of a flow sheet with N evaporators, assuming that the fractional recovery of wat..
Consider the fundamental units of each term in the equation. What physical quantity is represented on each side of the equation
The amount of nitrogen in an organic subsxtance can be determined by an anlytical method called the Kjeldahl method, in which all the nitrogen in the organic substance is converted to ammonia.
Assign oxidation numbers to all the elements in each of the following compounds or polyatomic ions: a)N2O b)LiOH c)SbO2^- d)IO4^-
when ethane c2h6 reacts with chlorine cl2 the main product is c2h5cl but other products containing cl chlorine such as
Calculate the change of entropy for the water, ΔS water, and for the surroundings, delta S surroundings, when 1.00 mole of water freezes at 0 degrees C and the surroundings are at (a) 0 degrees C, (b) -2 degrees C. Explain the physical origin of t..
A solution prepared by dissolving 20.0 mg of insulin in water and diluting to a volume of 5.00 mL gives an osmotic pressure of 12.5 mm Hg at 300 K. What is the molecular mass of insulin?
They obtained the following data for the concentrations of H2, I2 and HI at equilibrium in units of moles per liter. Calculate the value of Kc for each run.
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