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Which attactive force(s) must be overcome in order to boil liquid ammonia, NH3? dispersion forces? ion-ion forces? hydrogen bonds? ion-dipole forces? covalent bonds?
I- is oxidized by MnO4- in basic solution to yield I2 and MnO2. The coefficient on H2O in the balanced redox reaction will be
(a) Calculate the percent ionization of 0.00190 M acetic acid (Ka = 1.8e-05). % ionization = % (b) Calculate the percent ionization of 0.00190 M acetic acid in a solution containing 0.0710 M sodium acetate. % ionization = %
what is the molecular formula of a compound with a percentage composition 26.7 p 12.1 n and 61.2 cl and a molecular
Propose a structure for the compound with the following formula that is consistent with the IR and 1H NMR data shown:
For the decomposition of solid ammonium chloride into ammonia gas and hydrogen chloride gas Kp = 1.1 x 10-16. Calculate the change in standard free energy for this decomposition reaction.
Consider the autodissociation of water as the behavior of an Arrhenius acid. Use this to explain the temperature dependence of the autoionization of water
The specific heat of copper is 0.385 J/(g x ?C). If 34.2 g of copper, initially at 25 ?C, absorbs 4.689 kJ
Why did we acquire all spectra without rotationg the sample? 3) Why are Na-23 peaks shifted to lower ppm values when sodium is encapsulated by 18-crown-6 ether
As is often said, quantum mechanice yields classical mechanics when h approaches 0. What result is obtained classically for p(v,T) when h approaches 0? Why is this relation unsatisfactory
Determine the number of moles of O2 produced by the decomposition of 213 g of NaClO3.
For 0.51 M HCN (Ka=6.2 x 10-10), mark the majorand minor species found in the solution. H+ HCN CN- H2O OH- Now calculate the pH of 0.51 M HCN solution. (Ka=6.2 x 10^-10)
Assuming a 70.% yield in the overall reaction, what mass of limestone is required to remove all the sulfur dioxide formed by the combustion of 9.9 *10^4 kg of coal that is 0.33 mass % sulfur?
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