What is the rate of condensation of the refrigerant
Saturated R-134a at 310 K flows through a 30-mm-diameter, .8-m-long tube. The tube wall temperature is maintained at 290 K. If the mass flow rate of the vapor is .01 kg/s, what is the rate of condensation of the refrigerant?
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The isomerization of cyclopropane follows first order kinetics. Therate constant at 700K is 6.20e-4 min-1, and the half life at 760Kis 29min. Calculate the activation energy for this reaction.
Determine the maximum wall temperature associated with a heat flux of 10^5 w/m^2 at the inner wall of the tube at a location .4 m downstream from the onset of boiling for a tube fabricated of pure Copper.
(a) What minimum constant acceleration does the aircraft require if the aircraft is to be airborne after a takeoff run of 290 m?
Calculate Kf for [Cd(NH3)4]+2 from the following data: A mixture of 10.0 mL of 0.120 M Cd(NO3)2 with 40.0 mL of 0.600 M NH3 produces a permanent precipitate of CdC2O4 (Ksp= 9.0 x 10-8 ) after the addition of 8.90 mL of 1.25 M Na2C2O4
The tube wall temperature is maintained at 290 K. If the mass flow rate of the vapor is .01 kg/s, what is the rate of condensation of the refrigerant?
A small block of mass (M) is given an initial speed Vo up a ramp inclined at angle (theta) to the horizontal. It travels a distance (d) up the ramp and comes to rest. Determine a formula for the coefficient of kinetic friction between block and ram
Determine the ambient temperature in the oven, if the steel rods were to be heated to the desired temperature within 10 minutes.
How does the position vs time graph differ from a position vs time graph for constant velocity motion? How does it show that the velocity is changing?
Gasohol is a mixture of 90% gasoline and 10% ethanol,CH3 CH2 OH. Ethanol is considered an enviornmentally friendly fuel additive because it can be made froma renewable source--sugarcane.
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