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The solubility of oxygen in water is 6.5mg/L at an atmospheric pressure of 1 atm and temperature of 40°C. Calculate the Henry's law constant of oxygen at 40°C.
In a study of the effect of temperature on halogen decomposition. 0.50 mol of I2 was heated in a 2.5 L vessel and the following reaction occurred. I2 (g)--> 2I (g)
A student prepared a saturated solution of copper (II) tartrate by cooling it to 10 degrees C. While the solution was still cool, the concentration of copper (II) was determined. How would the value of the solubility product (Ksp) be affected? Exp..
What is the ratio of the conjugate base concentration to the acid concentration, that is, [B- ]/[HB] when the indicator switches to the acidic color
Car manufacturers are developing engines that use H2 as fuel. In locations where hydroelectric plants produce inexpensive electric power, the H2 can be made industrially by the electrolysis of water.
a 91 gram solution of silver nitrate contains 15 grams of agno3. what is the percent by mass of silver nitrate in this
The reaction 2NO(g) + Cl2 (g) -> 2NOCl(g) is carried out in a closed vessel. If the partial pressure of NO is decreasing at the rate of 21 torr/min, what is the rate of change of the total pressure of the vessel?
Draw the most stable contributing structure for the cyclohexadienyl anion formed by the reaction of methoxide ion with o-fluoronitrobenzene
what is the relative error in the determination of a density for which the accepted value is 0.945 g*cm^-3 and the experimental value
Explain why hydrogen which has one electron in its lowest state, should in principle be a metallic conductor in its solid state whereas helium which has two electrons in its lowest energy state should be an insulator.
When doing a recrystallization, why is it important to allow the saturated solution to boil for ~1 minute and cool SLOWLY to room temperature before placing it in an ice-water bath?
During a strenuous workout, an athlete generates 2200.0 kJ of heat energy. What mass of water would have to evaporate from the athlete's
Determine all equilibrium concentrations, the pH, the pOH and the percent ionization of each of the following acids in water.
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