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
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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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