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Comment on the following observation: in its complexes, Co(III) forms strong bonds to O- and N- donor ligands, moderately strong bonds to P- donor ligands, but only weak bonds to As- donor ligands.
a sample of N2O3(g) has a pressure of 0.019atm. the temperature(in K) is then double and the N2O3 undergoes complete decompositopn to NO2(g) and NO(g).
Phenolphthalein is one of the most common indicators. What are its colors in acidic and in basic solutions?
Calculate P,V and T for initial and final states of each process and produce a plot of the two processes on a P,V diagram. Without resorting to equations, explain why the result for part (b) is greater than or less than the result for part (a).
In a saturated solution of lead (II) fluoride the concentration of lead was measured to be .0021 M. What is the value of Ksp for PbF2?
What is the molar mass of mixture A and mixture B? Show detailed work for first and best rating.
The molar heat of vaporization at 298 K for diethyl ether(C4H10O) is 26.0 kj/mol. How much heat would be requiered to vaporize 0.714 g of ether at 289 K?
what is the K value for compound Z in the biphasic system, 2) how much do you remove in each individual extraction
Assuming the solution has a heat capacity of 4.18 J/°C · g and assuming no heat loss to the calorimeter, calculate the enthalpy change for the dissolution of NH4NO3 in units of kJ/mol.
Based on the data for step 2 of the experiment, predict what would happen if you performed step 3 of the experiment (how many sets of three drops of each of the HCl and NaOH would be needed until the buffering capacity is lost for the two solution..
Determine the enthalpy for the given reaction as CS2
calculate the number of PCl3 molecules formed when 97 P4 molecules and 606 Cl2 molecules react?
which is used as a sugar substitute, is produced by the reduction of D-xylose. Draw xylitol. show all hydrogen atoms, and connect the appropriate atoms using bonds
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