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Calculate the internal energy change for each of the following. a. One hundred (100.) joules of work are required to compress a gas. At the same time, the gas releases 23 J of heat. b. A piston is compressed from a volume of 8.30 L to 2.80 L against a constant pressure of 1.90 atm. In the process, there is a heat gain by the system of 350. J. c. A piston expands against 1.00 atm of pressure from 11.2 L to 29.1 L. In the process, 1037 J of heat is absorbed.
Implications of the future of fabrication for international trade, transportation, and logistics
Derive a Differential Equation which will show how temperature in the tank changes with time. State assumption used. Solve this model to obtain T(t) given that T(t=200s) = 50°C.
a. What alarms would you add to the vaporizer control scheme shown in Figure? Indicate whether the alarm would signal high or low conditions, what the alarm would signify, and what operator response would be required in each case.
(1) Determine the mass and the temperature of the steam in an insulated piston-cylinder arrangement if sufficient steam is admitted to displace the piston by one cubic foot. The cylinder originally is empty, and the piston main- tains a constant pres..
Evaluate particle diameter at different terminal gas velocities
Write the balanced formula, complete ionic, and net ionic equations for the reactions that occur when the following are mixed. a. potassium hydroxide (aqueous) and nitric acid
Choose an initial guess for reactor temperature and pressure within the range provided and simulate the process described - Determine a metric to quantify the reactor performance then use this parameter to optimize the reactor temperature and pressu..
Carolina (H2C=CHCHO) is made by selective oxidation of propylene at 2 bar, 350 °C using a molybdenum, iron, and bismuth catalyst on a silica support
Equal rates of mass transfer for the production of the fine chemical are required. This is often required for certain types of organic synthesis.
1. the potential energy between two atoms can be represented as
Develop forecasts for the PET-PX margin based on contract pricing using data from (a) Jan. 2000-Oct. 2010, (b) Jan. 2006-Oct. 2010, and (c) Oct. 2009-Oct. 2010. In each case, predict the PET-PX margin in Jan. 2020. Which forecast appears to be mos..
The mole fraction of ammonia in exit gas from the tower is 0.003. Assuming isothermal operation and considering the following equilibrium data calculate the height of the packed bed.
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