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How much heat in kj would be required to vaporize 1.00 L of diethyl ether (C4H10O), density is 0.714g/mL at 298 K, if the enthalpy of vaporization at this temperature is 26.0 kj/mol?
The Ksp of zinc oxalate (ZnC2O4) at a given temperature is 7.70 x 10-5 M. Calculate the molar solubility in 0.7657 M zinc nitrate at this temperature.
Find the average value of the electron-nucleus seperationin a hydrogen like atom in the 2pz (ml=0) state.
Determine the calorimeter constant of the calorimeter in which the combustion of 0.600 g of sucrose raises the temp by 1.96 C
Identify the atom whose electron configuration is [Ar]3d74s2. Write the one or two letter symbol for the element. How many unpaired electrons are there in the ground state of this atom
That a supercooled gas eventually phase separates is consistent with the 2nd Law of Thermodynamics because the phase separation lowers the Helmholtz free energy of the system
What volume of 0.955 M HCl, in milliliters, is required to titrate 2.152 g of Na2CO3 to the equivalence point?Na2CO3(aq) + 2HCl(aq) ---> H2O(l) + CO2(g) + 2NaCl(aq)
If 5.68 g of Cu was added to 3.18 g of S8, How much copper (I) sulfide would be produced?
Using vsepr molcule determine Electron Domain and Molcules for. CH3I ClF3 H2S SO3 SO4^-2 Nh4 NH2^- CO3^-2 ICI2
Consider the reaction CaCN2 + 3 H2O ! CaCO3 + 2 NH3 . How much CaCO3 is produced if 47.5 moles NH3 are produced?
describe how sp3 hybridization occurs in each atom. a) carbon b) nitrogen c) oxygen. If these elements use sp3 hybrid orbitals to form bonds, how many lone pairs of electrons would be found on each?
draw structural formula for protien synthesis by the sugar arrangement using AATCGTATGG
You are carrying out tlc with a mixture of two compounds A and B. A is less polar than B. On a REVERSE PHASE plate
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