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An isolated system consists of a closed copper vessel of mass 0.1 kg, containing 1 kg of liquid water, each initially at 5°C, immersed in 20 kg of liquid water, initially at 20°C. The system is allowed to come to equilibrium. Determine the final temperature in °C, the entropy change for the copper vessel and each of the liquid water masses, and the amount of entropy produced.
a balloon in the upper atmosphere is filled with water vapor with a speci?c volume of 10 m3 kg. a if its volume is 25
What is the communication time if the local conditions limit spacecraft visibility to elevation angles larger than = 18 degrees?
design 2-shell pass and 8-tube pass heat exchanger for heating ethyl alcohol from 25degc to 70degc at a rate of 2.9
for a product at an aql of 2.5 and lot size of 5000 using mil standard 105e what is the probability of going to
Consider a 70-kg woman who has a total foot imprint area of 400 cm2. She wishes to walk on the snow, but the snow cannot withstand pressures greater than 0.5 kPa. Determine the minimum size of the snow shoes needed.
a 2.1-m long 0.2-cm diameter electrical wire extends across a room that is maintained at 200c. heat is generated in the
the refrigerant is now heated at constant pressure until its temperature rises to 333k. calculate the work done during this process.
two frictionless balls are placed in a frictionless bowl. the left ball a has a radius of 3.00 in. and a weight of 10.0
The piston is then move in,and heat is rejected bt the air reversibly at constant pressure until the volume is the same as it was initially.Calculate the net heat flow and the overall change of entropy.sketch the process of p-V and T-s diagram.
consider a piston-cylinder device with a piston surface area of 0.1m2 initially filled with 0.05m3 saturated water
a thick cylindrical sleeve when shrunk onto a hollow shaft of a different material had its internal diameter extended
an object has mass of 2 kg and radius of gyration of e 1.5m. what is the mass moment of inertia about an axis parallel
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