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If 10.08 g of coppermetal is heated strongly in air, the sample gains 2.49 g of oxygen in forming an oxide. Determine the empirical formula for this oxide.
If 5.02 x 10^3 kg each of NH3, O2, and CH4 are reacted, what mass of HCN and of H2O will be produced, assuming 100% yield?
The enthalpy of hydration associated with anhydrous LiI forming LiI?2H2O is -45.53 kJ/mol. The enthalpy of solution for LiI?2H2O is -14.77 kJ/mol. What is the enthalpy of solution for LiI
The experiment done was the synthesis of p-chlorophenoxyacetic acid. I have lab questions that I am unsure how to do. Please help. 1. How many moles of p-chlorophenoxyacetic acid should form in this reaction?
a sample of 100.0 mlnbsp of 0.10 m ammonia nh3 is titrated with hno3 of 0.10 m. find out the ph of the solution after
Calculate the time in hours which would have been required for 99.9% of the t-butyl chloride to hydrolyze, if the reactant had been allowed to proceed without the addition of extra water or heating
Starting with benzene, outline a synthesis of each of the following (many of the answers will require more than one step): 1-phenylcyclopentene, trans-2-phenylcyclopentanol
A graduated cylinder contains 155 g of water. A 11.0 g piece of iron (density = 7.86 g/cm^3) and a 16.0 g piece of lead are added. What is the new water level in the cylinder?
Give a detailed explanation why SN1 mechanisms are not stereospecific but SN2 mechanisms are very stereospecific causing
The electron configuration of carbon atom 1s^2 2s^2 2p^2. which of the following term symbols may not exist (^3S1 or ^1S0) explain
During a servere episode of air pollution, the concentration of lead in the air was observed to be 3.01*10^-6g Pb/m^3. How many Pb atoms would be present in a 0.500 L sample of this air
In a particular photoelectron spectrum using 21.21 eV photons, electrons were ejected with kinetic energies of 11.01 eV, 8.23 eV, and 5.22 eV. Sketch the molecular orbital energy level diagram for the species, showing the ionization energies of th..
Calculate the volumetric size of a water molecule in vapor, assuming 1 mole of the vapor occupies 22.4 L, as if the vapor were an ideal gas. Give answer in angstroms, two significant digits.
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