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Does there appear to be a relationship between the presence and absence of color in a salt solution and the position of the element in the periodic table
What is the percent yield?
What is the hybridization scheme for the central atom in the following?
If 4.00 L of HCl(g) at 1.00 barr and 273K and 26.0g of I2(s) are transferred to a 12.00 L reaction vessel and heated to 25C, what will the equilibrium concentrations of HCl, HI, and Cl2 be? Kc = 1.6 x 10^-34 at 25C for 2HCl(g) + I2(s) 2HI(g) + C..
Compare the pH vs volume curve for HCL and acetic acid. discuss any difference in the shape of the curves. Compare theese two curves to one of the curves prepared for the unknow
A buffer solution contains 0.71 mol of boric acid (H3BO3) and 0.53 mol of sodium dihydrogen borate (NaH2BO3) in 4.00 L. The Ka of boric acid (H3BO3) is Ka = 5.8e-10. pH of buffer solution
When 1 mol of H2O and 1 mol of CO are placed in an empty 1L reaction vessel at 959K, the equilibrium mixture containes 0.422 mol of water vapor. Find Kc at 959K if the equation is: H2O(g) + CO(g) H2(g) + CO2(g)
Gel chromatography is used to assess the extent of the reaction at various times. Three major fractions of proteins are eluted at each time. What are they and in what order are they eluted?
Show how you would synthesize the product from the reactant. Show reagents, conditions, and the structures of any important intermediates. Any organic reagent may be used.
if 7.o moles of sulfur atoms and 10 moles of oxygen molecules are combined to form the maximum amount of sulfur trioxide, how many moles of which reactant remain unused at the end.
A mixture of three gases, A, B, and C, is at a total pressure of 9.38 atm. The partial pressure of gas A is 1.88 atm and that of gas B is 2.32 atm. What is the partial pressure of gas C?
Calculate the change in internal energy(Delta E) for a system that is giving off 65.0 kJ of heat and is performing 975 J of work on the surroundings.
What mass of CO2 is produced when 50.0 g of C2H4 reacts completely in the equation C2H4 + 3O2 = 2CO2 + 2H2O
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