What is the change in entropy of the system
Suppose 0.65 kg of water at 8.1 C is mixed with 2.07 kg of water at 98 C. After equilibrium is reached, the mixture has an uniform temperature of 76.5165 C. What is the change in entropy of the system?
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Although estimates vary, it is suggested that 80% or more of the job openings that exist are in the hidden job market. What is the difference between the published job market and the hidden job market?
A marble is thrown horizontally with a speed of 11 m/s from the top of a building. When it strikes the ground, the marble has a velocity that makes an angle 38° with the horizontal. From what height above the ground was the marble thrown?
What horizontal force must her wrist exert on her hand? Express the force in part (a) as a multiple of the weight of her hand.
Find the net charge of a system consisting of 2.3×107 electrons.
After equilibrium is reached, the mixture has an uniform temperature of 76.5165 C. What is the change in entropy of the system?
A 5.5µC and a 4.0µF capacitors are connected in series across a 24V battery. What voltage is required to charge a parallel combination of the two capacitors to the same total energy?
The bullet becomes embedded in the block. The acceleration of gravity is 9.8 m/s2 . If the bullet-block system compresses the spring by a maximum of 89.2 cm, what was the speed of the bullet at impact with the block?
What is the smallest thickness of a soap film that would appear black if illuminated with 490 light? Assume there is air on both sides of the soap film.
At what point along its length must the wire be cut so that the resistance of one piece is 4.0 times the resistance of the other? What is the resistance of each piece?
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