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Predict the products of each of these reactions and write balanced molecular equations for each. If no reaction occurs, write NOREACTION.
Cr(NO3)3(aq) + Na3PO4(aq)--->
liquid butanol (C4H10O) and gaseous oxygen
aqueous strontium sulfide and aqueous potassium sulfate
Account for the fact that H3C-Cl (dipole moment 1.94D) and H3C-F (dipole moment 1.82D) have almost identical dipole moments, even though fluorine is considerably more electronegative than chlorine.
Dalton law of partial pressure - The partial pressure of oxygen is maintained at 0.20 atm at this depth
How many molecular orbitals will be formed by combination of the 3s and 3p atomic orbitals in 1.0 mol of Mg atoms. At 0 K, what fraction of these orbitals will be occupied by electron pairs (all orbitals filled up to the Fermi level)
If an aluminum nitrate solution is added to a sodium fluoride solution the following equilibrium will be reached: Al3+(aq) + 6 F-(aq) mc035-1.jpg AlF63-(aq) For this equilibrium, K = 5.0 ´1023
What is the equilibrium pH of the solution? Solve by graphical method (draw a log C -pH graph and label the pertinent info, show your charge balance for the equation)
What mass of P4 is produced when 41.5 g of Ca3(PO4)2, 26.5 g of SiO2 and 7.80 g of C are reacted according to the equation: 2Ca3(PO4)2 + 6SiO2 + 10C ¼ P4 + 6CaSiO3 + 10C
The molar ratio of nitrogen to methane is known to be 0.26. Find the mole fraction and mass fraction of each component, and the average molecular weight of the mixture.
A piece of charcoal from a tree killed by the volcanic eruption that formed the crater in Crater Lake (in Oregon) gave 7.0 disintegrations of carbon-14 nuclei per minute per gram of total carbon.
Many hospitals, and some doctors\' offices, use radioisotopes for diagnosis and treatment, or in palliative care (relief of symptoms such as pain). Some radioisotopes used in medicine are listed below.
A chemist wishes to prepare 200mL of a saturated solution of BaF2, the concentration of which is 6.3 x 10-3 mol/L. Determine the mass of BaF2 that will be needed to make up the 200mL of the solution.
Determine the percent yield for this reaction as N2(g) + 3 H2(g) ? 2 NH3(g)
Calculate A for a process in which 0.160 mole of an ideal gas expands from 1.0 L to 3.5 L against a constant pressure
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