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When temperature and pressure confitions are not too severe, equations of state me be integrated explicitly to determine the fugacity of a gas. Derive an expression for ln(f/p) for a van der Waal's gas. (HINT: Wrtie van der Waals equation in virial form.) Use your equation to calculate (a) the fugacities and (b) the fugacity coefficients for methane at the following pressures: 0, 10, 1000, and 500 atmospheres. At what pressures are the fugacity coefficients equal to unity? at what pressures is the fugacity equal to 1.0000 atm?
Which of the following will not have ionic bonds?
A sample of 54.7 g of HCl gas is dissolved to make 1L of solution. What is the molarity of the solution?
25 g of gold is initially 27 degrees celsius. what's the final temperature when absorbing 2.35 kJ of heat?
Nitrogen is contained in a 300 ml vessel at 400 mm Hg and 10°C. How many grams of nitrogen are in the vessel?
Determine the ion notation for an atom with 18 electrons and 20 protons
In an electrolysis cell similar to the one employed in this experiment, a student observed the unknown metal anode lost .206g while a total volume of 84.90mL of H2 was being produced. The temperature in the lab was 230C and the barometric pressure..
Consider the following unbalanced reduction half equation. MnO4-+H=+e- > Mn2++H2O. How many H= are needed for the balanced half-equation.
The activation energy for a particular reaction is Ea = 14.20 kJ. What percentage of the molecules are at or above the activation energy at 500.0 K
Calculate the entropy change that occurs when 3.5 moles of an ideal gas expands from 1.75 L at 20 degress Celsius to 8.46 L at .54 atm.
Calculate the pH at the points in the titration of 40.00 mL of 0.425 M NH3 for the reaction below. NH3(aq) + HNO3 ? NH4+(aq) + NO3?(aq) For NH3, Kb = 1.8x10-5. Enter your answer with 2 decimal places. Enter scientific notation as 1.23E4
Determine that how many moles of molecular hydrogen are used per mole of the precatalyst in order to convert it entirely to platinum metal?
The equilibrium constant Kp is measured (at an unspecified temperature) to be 0.66 for the reaction:
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