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Subsequent to 46.0 min, 31.0% of a compound has decomposed. Explain what is the half-life of this reaction assuming first-order kinetics?
The Ksp of HgS is around 10^-54. How many liters of water should it take to dissolve one molecule of this compound
In the reaction below, 4.86 atm each of H2 and Cl2 were placed into a 1.00 L flask and allowed to react: H2(g) + Cl2(g) 2 HCl(g) Given that Kc = 89.9, calculate the equilibrium pressure of HCl.
Using the solution CoCl2 and distilled water, how would you prepare 100 mL of a 0.0600 M solution of CoCL2. what absorbance would you expect from the solution from part a, at the wavelength of maximum sensitivity
The standard heats of formation at 25 degrees celsius for NO(g) , O3(g) and NO2 (g) are 21.57, 34.1, and 7.93 kcal/mol respectively. What is the value for change direction for
oleum or fuming sulfuric acid available commercially in concentraytions ranging from 20-99 sulfur trioxide. a. what is
Crystalline solids are well-ordered arrays of atoms or molecules. Crystalline solids may be metallic solids, molecular solids, or ionic solids.
As water is warmed, the solubility of sugar crystals in it *increases *decreases *remains constant *Fluctuates randomly
calculate deltago in j for 2 moles of electrons in each half-reaction and a standard potential of 0.29 v.a half-cell
mgnh4po4.6h2o loses h2o stepwise as it is heated. between 40c and 60 the monohydrate is formed and above 100 celcius
At equilibrium the total pressure and density of the gaseous mixture were 1.80atm and 1.60g L-1, respectively. Calculate Kc and Kp.
the vapor pressure of pure water at 50.0 degc is 92.5 mm hg. calculate the ideal partial pressure of water at this
iron has a reported average atomic mass of 55.85 amu. if iron has two isotopes one of which has 29 neutrons and an
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