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In the laboratory dissolve 17.9 g of zinc iodide in a volumetric flask and add water to a total volume of 250 mL.
What is the molarity of the solution?
What is the concentration of the zinc cation?
What is the concentration of the iodide anion?
At a particular temperature, Kp = 0.25 atm for the reaction N2O4(g) 2NO2(g) a. A flask containing only N2O4 at an initial pressure of 4.5 atm
At 765 K, Kp=46.0 for the reaction H2(g) + I2(g) 2HI(g). a. What is delta G for a mixture at equilibrium at 765K. b. What is delta G for this reaction at 765K
Problem- 4.40 mol of solid A was placed in a sealed 1.00-L container and allowed to decompose into gaseous B and C. The concentration of B steadily increased until it reached 1.20 M, where it remained constant.
the rate constant is 0.0190 s-1. At what temperature in degrees Celsius would this reaction go twice as fast?
NaOH and then 25.0mL of 0.5 M of your weak acid HA with 0.500M NaOH. How would the titration curves compare at 10 or 15 mL of NaOF beyond the equivalence points
Hydrogenation of carbon double bonds C=C (i.e. adding a hydrogen on each carbon atom and thus reducing the double bond into a single bond: H-C-C-H) is a very common process in organic and polymer chemistry
Write a balanced chemical equation for each of these processes.
if you purchased 2.81 mu ci of sulfur-35 how many disintegrations per second does the sample undergo when it is brand
What is the percent yield of 2 Na3[Co(C2O4)3]•3H2O(s) if 7.6 g is obtained from 12.5 g of [Co(H2O)6]Cl2(s)
The osmotic pressure was found to be 1.86 torr at 25°C. What is the molar mass of the polyethylene. R= 62.4 L-torr per mol Kelvin
The J=0 to J=1 transition for carbon monoxide (12C16O) occurs at 1.153 X 10^5 MHz. Calculate the bond length of carbon monoxide.
If 500 mL of 0.20 M NaCN is treated with 500 mL of an HOCl soln to produce a resultant soln with pH 7.00, calculate Mi for the HOCl soln. Show all pertinent work including reaction equations but not arithmetic.
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