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Given the answer to part (a) and the data below at 298.15 K, assuming the reaction enthalpy is constant over this temperature range, calculate delta G for this reaction at 400 K.
The surface area of the tubes is 45 m2 and the overall heat transfer coefficient is 2100 W/m2-K. Calculate the mass flow rate of cooling water needed and the rate of steam condensenation in the cond
100 mol/s of liquid acetic acid and 100 mol/s of liquid methanol are fed to a reactor at 120°C and 5 atm[1]. Draw a picture of the reactor and complete the mass balances around it.
Assume a thermocouple generates a linear voltage of from 20 mV to 50 mV when the temperature changes from 750°F to 1250°F. How much voltage will be generated when the temperature of the ther
Given two single-pole switches, write a program that will turn on an output when both switch A and switch B are closed.
Find the equation P(u, v) of a surface of revolution obtained by revolving a profile curve on the XY-plane about the Y-axis 360.
What was the mass of Freon-12 added to the tank? What is the change in internal energy of air (an ideal gas) cooled from 550 C to 100 C?
Consider the flow of air over a vertical flat plate at a low velocity, u1 in ambient pressure, P1. Provide a concise physics-based reason for your findings.
Determine the acceleration of the assembly and the angular acceleration of the disk under the action of the force applied to a cord wrapped securely around the disk.
Determine the acceleration of the mass center of the disk and the components of the force exerted on the disk by the curved surface when theta=60 degrees.
If the pot is initially full of saturated water at 200 kPa, how much energy must be added to the pot before the total mass of the water has been reduced by half?
Assuming the ideal gas model for the air, determine the pressure and volume at the beginning of the isothermal expansion in kPa and m3, respectively.
Find the exit temperature of the air in °C. Find the velocity of the air at the exit (m/s) if it is flowing through a rectangular duct that is 25 cm x 50 cm.
What constant force must be exerted on the rope to bring the merry-go-round from rest to an angular speed of 0.500 revolutions per second in 2.00s?
Determine the dynamic viscosity of flow if the pressure drop of a fluid running with a flow rate of 880 mm^3/s through a pipe 1m in length with diameter of 0.5mm is 1MPa.
A non-uniform steady incompressible flow is observed to have a velocity of 15m/s at a point where the cross-sectional area is 10 cm^2, what is the cross sectional area when the velocity is 11m/s.
The intention is to draw air from the receiver during the 4-hour drilling shift until the absolute pressure drops to 800 kPa. What is the rate at which the main air supply can be boosted during this
Determine if the small diameter can be further reduced in diameter by calculating the minimum size based on equivalent torque.
A 356 mm diameter main services a section of a mine and carries 4.8 kg/s of compressed air at peak periods. If the main is 2,000 m in length what would be the maximum pressure drop across it?
The uniform disk of mass pivots freely on the cart of mass. Determine the acceleration of the assembly and the angular acceleration of the disk under the action of the force applied to a cord wrapp
Provide an estimate of the relative magnitudes of the forced and free convection if P1 is increased by a factor of ten while all other parameters, including temperatures.
The superheated vapor enters at 20 bar with a velocity of 60 m/s and exits as a saturated vapor of 0.06 bar at velocity 130 m/s. Draw a T-v diagram and determine the inlet temp in degrees C.
A 50-Mg railroad car moving with a velocity of 3 km/h is to be coupled to a 30-Mg cae which is at rest determine the final velocity of the coupled cars.
Calculate the heat transfer coeffcient due to natural convection if the amplifer is mounted horizontally instead with the heated surface facing up.
Provide an estimate of the relative magnitudes of the forced and free convection if P1 is increased by a factor of ten while all other parameters, including temperatures, are kept the same.