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Assume the temperature is constant. Standard pressure is 101.3 kPa. Standard temperature is 273.15 K Show work
1) What is the new volume when a 100.0 cm3 container at 120.0 kPa is expanded until the pressure is 60.0 kPa?
2) What is the new volume when a 50.0 cm3 container at standard pressure is expanded is expanded until the new pressure is 25.0 kPa?
3) What is the new volume when a 50.0 cm3 container at standard pressure is compressed until the new pressure is 200.0 kPa?
Problem- How many grams of dry NH4Cl need to be added to 1.50L of a .600M solution of ammonia NH3 to prepare a buffer solution that has a pH of 8.51. Kb for ammonia is 1.8 X 10-5, What is the mass of NH4Cl
Calculate the surface area for a 35.0mg sample of this material. 3. A 10.0-mL sample of contaminated water had 7.748mg of mercury in it. After treatment with 10.0mg of the new spongy material, 0.001mg of mercury remained in the contaminated water...
When 4.00 g of methylhydrazine is combusted in a bomb calorimeter, the temperature of the calorimeter increases from 25 C to 39.5 C. The heat capacity of the calorimeter is measured to be 7.794 kJ/C. Calculate the heat of reaction for the combusti..
Determine the equilibrium constant for the system N2O4 2NO2 at 25 degrees C. The concentrations are shown here: [N2O2] = 3.78 x 10^-2 M, [NO2] = 1.41 x 10^-2 M.
A person preparing a fish tank uses boiled (and then cooled) water to fill it. When the fish is put into the tank, it dies. Explain.
The equilibrium constant, Kp, for the following reaction is 0.497 at 500 K: PCl5(g) PCl3(g) + Cl2(g) Calculate the equilibrium partial pressures of all species when PCl5(g)
Question- How many grams of metal are deposited at the cathode by the passage of 2.30A of current for 80min in the electrolysis of an aqueous solution containing the following ions
Stepwise mehcanism for the reaction of 3-methyl-3-hexanol with HCl to form 3-chloro-3-methylhexane
Given that Kp for 2 SO2(g) + O2(g)-->/
Draw a partial MO diagram between px-orbitals of silicon and the appropriate halide for trimethylfluorosilane and trimethyliodosilane.
A 50.0 kg mixture of salt and water is 15.0% (by mass) salt. give the mass of salt and water in the mixture
0.02 grams of AgNO3 is dissolved in 1.0 L water. What is its concentration as parts per million
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