Determine the entropy change of the wood and the oil
A 10-kg block of oak wood at 10 degrees C is place in a large oil bath at 110 degrees C. Determine the entropy change of the wood and the oil. Use properties of engine oil for the oil, and neglect the fact that oil will soak into the wood.
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Bicyclists in the Tour de France do enormous amounts of work during a race. For example, the average power per kilogram generated by Lance Armstrong (m = 75.0 kg) is 6.50 W per kilogram of his body mass.
In a certain college 33% of the physics majors belon to ethnic minorities. Find the probability that from a random sample of 10 physics majors, no more than 6 belong to an ethnic minority.
On a summer day when the temperature is 80 degrees F, a trash fire emits 30,000 Btu to the atmosphere.By how much has the entropy of the atmosphere increased?
At a distance from a point charge, the electric potential is 3400 and the magnitude of the electric field is 2.0×105 . What is the distance ? What is the electric potential at distance from the charge?
Determine the entropy change of the wood and the oil. Use properties of engine oil for the oil, and neglect the fact that oil will soak into the wood.
What is the standard deviation of Pan's driving time on a day in which he encounters two red lights? What is the probability the Pan spent less than 15 minutes to drive to school today?
The comprehensive strength of concrete is normally distributed with m = 2500 psi and s = 50 psi. Find the probability that a random sample of n = 5 specimens will have a sample diameter that falls in the interval from2499 psi to 2510 psi.
Calculate the steady-state creep rate (in hr-1) if the bar has a tensile stress of (4.6x10^1) MPa at (2.45x10^2) oC. Assume that the activation energy for creep is 140 kJ/mol.
Efficiency experts study the processes used to manufacture items in order to make them as efficient as possible. One of the steps used to manufature a metal clamp involves the drilling of three holes.
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