A 100-kg copper block initially at 110degc is dropped into

Assignment Help Mechanical Engineering
Reference no: EM13644024

A 100-kg copper block initially at 110°C is dropped into an insulated tank that contains 150 kg of water at 15°C. After some time, the system reaches an equilibrium temperature of 20 °C. Determine:

a. The entropy change of the solid copper block.

b. The entropy change of liquid water.

c. The total entropy change in the insulated tank.

Reference no: EM13644024

Questions Cloud

Calculate the appropriate 95 confidence interval for the : in a survey conducted in december 10-13 2013 of n 1025 randomly selected adult americans 83 answered no and 17
The superheated water vapor at 50 kpa and 100degc is : the superheated water vapor at 50 kpa and 100degc is compressed isentropically in a closed system to 4 mpa. determine
Give an interval centered about the mean of 379 : a group of psychologists examined the effect of alcohol on the reactions to a threat. after obtaining a blood alcohol
Consider light that is refracted by a prism shaped like an : consider light that is refracted by a prism shaped like an equilateral triangle. the incident ray is parallel with the
A 100-kg copper block initially at 110degc is dropped into : a 100-kg copper block initially at 110degc is dropped into an insulated tank that contains 150 kg of water at 15degc.
Suppose x the number of flaws in a roll of polyethylene : suppose x the number of flaws in a roll of polyethylene insulated cable follows a poisson process where lambda is 1.1
To parallel metal plates have area a 255 cm2 and are : two parallel metal plates have area a 255 cm2 and are separated by l 0.50cm. they have a potential difference of 0.25
An ideal gas undergoes a process between two specified : an ideal gas undergoes a process between two specified temperatures first at constant pressure and then at constant
The machine flash a warning for the technician if the : a machine launches two particles in the air at different times and at different angles with the same initial velocity

Reviews

Write a Review

Mechanical Engineering Questions & Answers

  Calculate the tension in the rope in newtons when you lift

your friend a 75 kg mountain climber is suspended from a cliff by a rope. calculate the tension in the rope in newtons

  The following wind conditions are expected v 10 i - 5 j

from time t0 to t5 hr radioactive steam is released from a nuclear power plant located at x -1 mile and y 3 miles.

  Determine the heat loss through a 4m high 10 m long wall of

a furnace wall as 0.5 m thick inner layer of fire clay brick k1.7wmk a 0.1 m thick layer of kaolin brickk0.12 and a

  Boiling water flows through thin-walled copper tubes in a

boiling water flows through thin-walled copper tubes in a cross-flow heat exchanger and atmospheric air flows across

  Explain the cost of recharging a battery

The Cost of Recharging a Battery, A 12-V automotive storage battery is charged with a constant current of 2 amp for 24 hr.

  A sphere 1 ft in diameter is moving horizontally at a depth

a sphere 1 ft in diameter is moving horizontally at a depth of 12ft below water surface where the water temperature is

  A dump truck is shown in the figure the loaded container

a dump truck is shown in the figure. the loaded container has a mass of 8000 kg and may be modelled as a solid

  A ball is thrown so that the motion is defined by the

a ball is thrown so that the motion is defined by the equations x5t and y26t-4.9t2 where x and y are expressed in

  Calculate a power required for mixing and b if the system

it is desired to prepare an emulsion in a baffled 4 in number tank using standard flat-blade disc turbine. the tank is

  Pin a which is attached to link ab is constrained to move

pin a which is attached to link ab is constrained to move in the circular slot cd. knowing that at t0 the pin starts

  Calculate the frequency ratio the damping ratiofactor the

in a single degree of freedom vibrating system the concentrated mas which weighs 38.6 lbs. is acted upon by a

  How many unit cells are there in the foil what is the mass

gold foil is 0.08 mm thick and 670 mm2 in area. a it is cubic with a 0.4076 nm. how many unit cells are there in the

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd