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what is the molar composition of the vapor in equilibrium with a boling liquid that has a composition of 60% A and 40% B?
What is the equilibrium constant of the formation reaction of ammonia gas at 298.15 K under the conditions that the partial pressures
What are amino-acid tRNA synthetase enzymes and why are they important in the biology of cells? How many different ones do you know exist in any given cell type
Give an example of a compound that exhibits ionic bonding and an example of a compound that exhibits a covalent bond.
How could you be certain a peak in the soda was caffeine and not another substance with similar retention time
A second-order reaction has a half life of 18 s when the intial concentration of reactant is 0.71 M. How long will it take for the concentration
What is the pH of a solution containing 50.00 mL of 1.0 M HCl and 50.00 mL of 1.0 NH3? The Kb for NH3 = 1.8 x 10-5.
A first order decomposition reaction has a half-life of 60yr. What percentage of the original amount is left after 164years. (give answer to 3 sig figs using E notation)
What is the pH of a solution made by mixing 25.00mL of 0.200M CH3COOH with 10.00mL of 0.200M NaOH? Ka of acetic acid is 1.8 x 10^-5.
How do I find the formal charge of the bromine atom in BrO3^- Please show work and maybe an easier way to solve this, I am really struggling
The normal boiling point of carbon disulfide is 46.0 °C and its H°vap = 14.2 kJ mol-1. Draw a complete Lewis structure for carbon disulfide
Calculate the percent ionization of propionic acid (C2H5COOH) in solutions of each of the following concentrations
given that the density of a given solid and liquid of molar mass 147.2 gmolnbsp 992.6 kg m-3 and 933.4 kg m-3 . at its
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