Type of molecular orbitals
What type of molecular orbitals does the cyclopentadienyl ligand (in a ferrocene molecule) use to bond with the iron ion? How many electron pairs does each cyclopentadienyl ligand donate to the iron ion?
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How many stereogenic centers are there in 1,1,2,3-tetramethylcyclohexane? a) 1 b) 2 c) 3 d) 4
According to Boyle's Law, if the temperature of a confined gas is held fixed, then the product of the pressure P and the volume V is a constant. Suppose that, for a certain gas, PV = 800, where P is measured in pounds per square inch and V is meas
Calculate the mass/volume percent of a NaCl solution in which 186 g of NaCl is dissolved in enough water to give a total volume of 1.67 L
sodium hydroxide is extremely soluble in water. At a certain temperature, a saturated solution contains 551g of NaOH (s) per liter of solution. Calculate the molarity of this saturated NaOH (aq) solution.
The decomposition of ammonia is 2NH3(g) = N2(g) + 3H2(g). If Kp is 1.5x10^3 at 400 degrees C, what is the partial pressure of ammonia at equilibrium when N2 is 0.10 atm and H2 is 0.15 atm
Some atomic properties depend on the average value of 1/r rather than the average value of r itself. Evaluate the expectation value of 1/r (a) a hydrogen 1s orbital, (b) a hydrogenic 2s orbital, (c) a hydrogenic 2p orbital.
You have 10 mL of calmagite (molecular weight 358.3g/mol). How much calmagite remains in an aqueous layer after a single 10 mL extraction of ethyl acetate (density 0.897 g/mL).
Which one of the following compounds is a stereoisomer of cis-1,2-dimethylcyclopentane? a) Methylcyclohexane b) 1,1-Dimethycyclopentane c) trans-1,2-Dimethylcyclopentane d) cis-1,3-Dimethylcyclopentane e) trans-1,3-Dimethylcyclopentane
Complete and balance the molecular equation and write a net ionic equation, make sure to include the physical states of the compounds: 1. potassium carbonate + strontium nitrate
For each of the compounds below, first write a structural formula and then indicate which of them is likely to absorb in the UV region. Briefly explain your reasoning. A. cyclohexanol B. 2,4-hexadienal C. 2-methyl-5-vinylpyridine
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