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For each reaction shown here, predict whether the equilibrium lies predominantly to the left or to the right. Briefly explain your prediction.
(a) [NH4]+(aq) + Br-(aq) NH3(aq) + HBr(aq)(b) [NH2]-(aq) + H2O(l) NH3(aq) + OH-(aq)
using the values for the resonance energies of benzene and naphthalene given above explain why diels-alder reactions of
How many atoms of neon occupy a volume of 14.3 L at STP.
How much heat is needed to melt 22.4g of ice at zero degrees celcius to form liquid water at zero degress celcius?
Ephedrine was once used in diet pills that could be purchased without a prescription. Ephedrine is composed of 72.7% C, 9.15% H, 8.49% N, and 9.68% O. What is the empirical formula for ephedrine
Use Coulomb's law to calculate the ionization energy in of an atom composed of a proton and an electron separated by 185.00 pm
diethyl ether is a volatile organic compound. the vapor pressur of diethyl ether is 401 mmhg at 18 degrees c and th hat
The change in enthalpy Delta H for a reaction is -39.6 kJ/mol. The equilibrium constant for the reaction is 4.4×103 at 298 K.What is the equilibrium constant for the reaction at 635 K?
A buffer solution is prepared by adding 0.20 mole of NH3 and 0.30 mole of NH4Cl to enough H2O to make one liter of solution.
the three isomers 0-,m-, and p-xylenes are are very difficult to distinguish via proton NMR. However they are instantaneously distinguishable via carbon NMR how. What do you expect to see for each
Find the amount of each acid needed to make 300 mL solution of a 1 mole solute to 100 mol solvent(water). Find HCL and CH3COOH. Find the amout of NaOH needed to make 600 mL solution of a 1 mole solute to 100 mol solvent(water). Find NaOH
at a certain temperature kc 55 and a reaction vessel contains a mixture with the following concentrations so3 0.85 m
Three gases (8.00 of methane, , 18.0 of ethane, , and an unknown amount of propane, ) were added to the same 10.0- container. At 23.0 , the total pressure in the container is 4.40 . Calculate the partial pressure of each gas in the container.
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