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The van der Waals equation of state was designed (by Dutch physicist Johannes van der Waals) to predict the relationship between pressure p, volume V and temperature T for gases better than the Ideal Gas Law does:=+pan2V2-VnbnRT
The van der Waals equation of state. R stands for the gas constant and n for moles of gas. The parameters a and b must be determined for each gas from experimental data. Use the van der Waals equation to answer the questions in the table below.
a. For water the numerical value of a is5.464 and the numerical value of b is0.0305. Use the van der Waals equation to calculate the pressure of a sample of water at 425.0°C with a molar volume of 0.183/L mol. Round your answer to 3 significant digits. Answer in atm
b. Use the Ideal Gas Law to calculate the pressure of the same sample under the same conditions. Round this answer to 3 significant digits also. Answer in atm
If a bottle of nail polish remover contains 172 of acetone,how much heat would be released by its complete combustion? The density of acetone is 0.788 .
Problem- Purification of nickel can be achieved by electrorefining nickel from an impure nickel anode onto a pure nickel cathode in an electrolytic cell. How many hours will it take to plate 16.5 kg of nickel onto the cathode if the current passed..
A gas sample containing 1.64 mol at 25°C exerts a pressure of 389 torr. Some gas is added to the same container, and the temperature is increased to 50.°C.
explain how dissolving the group iv carbonate precipitate with 6m ch3cooh followed by the addition of extra acetic
Determine the following characteristics of the titration curve for 25.0 mL of 0.400 M NH3(aq) titrated with 0.335 M HI(aq). (For NH3, Kb = 1.8x10-5.) (1a) The initial pH : (1b) The volume of HI(aq) required to reach the equivalence point : (1c) Th..
a) For a heteronuclear diatomic molecule, draw an energy level diagram showing the four lowest rotational energy levels. Indicate the energy of each level in terms of B. Indicate all possible light absorption transitions.
How many milliliters of a 0.20 M glucose C6H12O6 solution are needed to provide a total of 25.0 g of glucose?
Which of the following pairs would NOT interact to produce an attractive/favorable weak interaction within a proteins 3D structure at physiologic pH.
Acetone, CH3COCH3, is a nonelectrolyte; hypochlorous acid, HClO, is a weak electrolyte; and ammonium chloride, NH4Cl, is a strong electrolyte. What are the solute particles present in aqueous solutions of each compound
Calculate how many moles of nitrogen will be required to make 10.0 moles of NH 3 and calculate what is energy of each pulse If each pulse contains no of photons =1.20 x 10 18
Liquid butane, C4H10, is stored in cylinders to be used as a fuel. Suppose 31.2 g of butane gas is removed from a cylinder. How much heat must be provided to vaporize this much gas. The heat of vaporization of butane is 21.3 kJ/mol.
What are the masses of CO and CO2 in the tank and what are the partial pressures of each of the three gases at 24C?
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