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1A) Give the coordination number of the central ion in each of the following complexions.
a. Zn(OH)42-
b. Ag(NH3)2+
c. CoCl64-
d. Fe(en)22+1B) Explain how you will be able to determine the maximum number of en molecules that will bind to each Cu2+.
Consider the following reaction: CH3-Cl + I- ? CH3-I + Cl- Suppose we start the reaction with an initial concentration of CH3-I of 0.260M. Over a period of 1 hr 20 min, the concentration increases to 0.840M. What is the rate of the reaction
dissolved in enough water to produce 162.5 mL of solution and that 18.8 mL of this solution is titrated to the stoichiometric point with 14.6 mL of 0.0307 M HCl(aq). What is the percentage purity of the original sample?
The filterate is blue in color by the product of dissolving CuO. The filter was slightly blue after the CuO was filtered on to filter paper? d.) Not enough magnesium was added to remove all the blue color in the solution?
What will be the volume of HCl 0.2750M, measured by burette, needed to consume all of the Calcium Carbonate that is contained in a block of that material that has dimensions of 2.5 x 1.0 x 0.5 inches
before addition of any KOH b) after addition of 25.0 mL of KOH c) after addition of 35.0 mL of KOH d) after addition of 50.0 mL of KOH e) after addition of 60.0 mL of KOH
Find the molar mass of the compound and determine its molecular formula. What is the Lewis formula of the compund? predict the electonic and molecular geometry using the VSEPR model.
What mass of AgBr would precipitate from this mixture? (Ksp of AgBr is 5.4x10^-13 & Kf of Ag(CN)2^1- is 1.0x10^21)
calculate the energy in joules of a single photon associated with the frequency. Eneter your answers in scientific notation.
The Group 5A elements can form molecules or ions with thre, five or six covalent bonds. Predict the molecular structure and hybridization of the following substances: NH3, AsCl5 and PF6-.Why does't NF5 or NCl6- form
A sample of argon gas at a pressure of 0.981 atm and a temperature of 29.7oC, occupies a volume of 12.5 liters. If the gas is allowed to expand at constant temperature to a volume of 19.1 liters, the pressure of the gas sample will be
Determine what the mothballs were made of. Pure ethyl alcohol has a boiling point of 78.41 degrees C and Kb = 1.22 deg C/m for this solvent.
Which compound requires a higher energy photon to cause a p to p* (HOMO/LUMO) transition,
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