What is the entropy change of the aluminum-water system

Assignment Help Physics
Reference no: EM13278758

In an experiment, 300 g of aluminum (with a specific heat of 900 J/kg·K) at 100°C is mixed with 54.0 g of water (4186 J/kg·K) at 20°C, with the mixture thermally isolated.

(a) What is the equilibrium temperature? ___ °C

(b) What is the entropy change of the aluminum? ___ J/K

(c) What is the entropy change of the water? ___ J/K

(d) What is the entropy change of the aluminum-water system? ___ J/K

Reference no: EM13278758

Questions Cloud

What is the target stock price in one year : Earnings are expected to grow at 17 percent for the next year. Using the company's historical average PE as a benchmark, what is the target stock price in one year?
What does the scale read at its peak : If you stand on a bathroom scale, the spring inside the scale compresses 0.40mm, what does the scale read at its peak
What is the implied return on the companys stock : Earnings are expected to grow at 5 percent per year. 1) What is your estimate of the current stock price? 2)What is the target stock price in one year? 3) Assuming the company pays no dividends, what is the implied return on the company's stock ov..
State degree of unsaturation or index of hydrogen deficiency : The degree of unsaturation, or index of hydrogen deficiency, is the number of pi bonds plus rings in a molecule. Specify the degree of unsaturation (index of hydrogen deficiency) of the following formulas
What is the entropy change of the aluminum-water system : In an experiment, 300 g of aluminum (with a specific heat of 900 J/kg·K) at 100°C is mixed with 54.0 g of water (4186 J/kg·K) at 20°C, What is the entropy change of the aluminum-water system
Find an expression for s in terms of z from the relation : Consider the inverse relation given by z=eSTs - that is, how to map the z-plane into the s-plane. a.) Find an expression for s in terms of z from the relation z = STs. b.) Consider the mapping of the unit circle (I.E. z = 1ejw, - pi
How many moles are in the gas : The volume of an ideal gas is adiabatically reduced from a volume of 200 L to a volume of 74.3 L. How many moles are in the gas
Explain the interconnectivity of world largest stock markets : Explain the interconnectivity of the world's largest stock markets. Discuss which country you believe has the most influence on the U.S. stock market performance and why. Explain your rationale.
Determine where the given poles are mapped into the z-plane : a.) Determine where the given poles are mapped into the z-plane.b.) How would you determine if these poles are mapped inside, on, or outside the unit circle in the z-plane. Explain.

Reviews

Write a Review

Physics Questions & Answers

  How deep is the well

You drop a stone into a deep well and hear it hit the bottom 2.60 s later. This is the time it takes for the stone to fall to the bottom of the well.

  How much will it miss the target

A hunter aims directly at a target (on the same level) 160 m away, If the bullet leaves the gun at a speed of 260 m/s, by how much will it miss the target

  Required time by the current to reach an initial value

Compute the required time by the current to reach an initial value in an inductive discharge circuit.

  What is particle velocity

A 2.54 kg particle moving along the x-axis experiences the force shown, where Fmax=6.85 N, Fmin=-6.85 N, d1=1.27 m, d2=2.54 m, d3=3.81 m, and d4=5.08 m. At x=0.00 m the particle's velocity is 3.93 m/s. What is its velocity at x=2.54 m?

  What is the minimum force needed

You (height of your eyes above the water, 1.75) are standing 2.00 from the edge of a 2.50--deep swimming pool. You notice that you can barely see your cell phone, that went missing a few minutes before, on the bottom of the pool.

  Calculate the speed of sound

calculate the speed of sound and uncertainty of the speed of sound for a lab report. The equation for the speed of sound is V=4LS

  Find magnitude of the emf induced in the secondary winding

A very long, straight solenoid with a cross-sectional area of 2.30cm2 is wound with 93.4turns of wire per centimeter. What is the magnitude of the emf induced in the secondary winding at the instant that the current in the solenoid is 3.2

  What was the minimum glass thickness

A pair of slits separated by d = 1.30 mm is illuminated with light of = 610 nmwavelength and falls on a screen L = 2.00 m away. what was the minimum glass thickness

  What should be the diameter fo the wire

Suppose that you wish to mold a uniform wire from 1.50 g of copper. The wire needs to have a resistance of 0.0400 ohm's, What should be the diameter fo the wire?

  What initial speed would achieve this result

A vector {vec A} has a magnitude of 40.0 {rm m} and points in a direction 20.0 ^circ below the positive x axis. A second vector, {vec B}, has the magnitude of 75.0 {rm m} and points in a direction 50.0 ^circ above the positive x axis.

  How many photons per second are hitting the wall

A violinist places her finger so that the vibrating section of a 1.20 g/m string has a length of 40.0 cm, then she draws her bow across it. A listener nearby in a 20 ^circ {rm C} room hears a note with the wavelength of 30.0 cm. What is the tensio..

  What change occurs in the camera

(a) A clear image of an object is formed on the retina of a human eye. As the object moves closer to the eye, for a clear image to still be formed on the retina.

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