What is the net entropy change

Assignment Help Physics
Reference no: EM13551776

The net entropy changes when a 85g ice cube initially at 0 degrees C melts in a room. Part A What is the net entropy change, if room temperature T1 = 17 degrees C? Part B What is the net entropy change, if room temperature T2 = 29 degrees C? Express your answers to two significant figures and include the appropriate units.

Reference no: EM13551776

Questions Cloud

What is the ratio of the pressure amplitude of the wave : If two sound waves, one in air and one in (fresh) water are equal in intensity, what is the ratio of the pressure amplitude of the wave in water to that of the wave in air? Assume the water and the air are at 20°C.
Find the inductance of the coil and resistance of the coil : A copper wire wrapped into a coil is hooked to a 3.00V battery and a switch. At t=0 the switch S is closed. At t=20 seconds the current in the circuit is 24mA. After a long time the current in the circuit is 50mA.
The attraction of ceres ceres, the largest asteroid : The Attraction of Ceres Ceres, the largest asteroid known, has a mass of roughly 8.7x10^20kg .If Ceres passes within 1.2×104km of the spaceship in which a 65kg astronaut is traveling, what force does it exert on she? (Treat the astronaut and the aste..
A block of mass slides on a frictionless tabletop : A block of mass slides on a frictionless tabletop. It is connected to a string that passes over a pulley and suspends a mass (Figure 1) . Suppose that the mass on the frictionless tabletop has the value = 2.30 kg Find the value of that gives an ac..
What is the net entropy change : The net entropy changes when a 85g ice cube initially at 0 degrees C melts in a room. Part A What is the net entropy change, if room temperature T1 = 17 degrees C?
How long does it take the camera to reach the ground : A hot air balloon is descending vertically with a speed of 4.0 m/s when a passenger drops a 0.5 Kg camera. If the camera is 45 m above the ground when it is dropped:
Whats its mechanical power output in hp : An automobile engine with an efficiency 0.23 dumps heat to the environment at the rate of 450 kW. Part A What's its mechanical power output in W? Part B What's its mechanical power output in hp?
Find magnitude and direction of velocity of beads collision : Two beads slide along a straight, frictionless wire. The first has a mass of 0.5 Kg and a velocity of 5m/s moving to the left. They collide and stick together, moving as one object. A)Find the magnitude and direction of the velocity of the beads a..
What is coefficient of kinetic friction between ice and puck : A 0.1 Kg hockey puck slows down from 45 m/s to 44 m/s due to friction as it slides 25m across the ice. a) Draw a free body diagram showing all the forces on the puck b)using the work-energy relationship, find the work done by the frictional force.

Reviews

Write a Review

Physics Questions & Answers

  Magnitude of the horizontal component of the planes velocity

A jetliner is moving at a speed of 189 m/s. The vertical component of the plane's velocity is 37.6 m/s. Determine the magnitude of the horizontal component of the plane's velocity.

  What is the total magnetic flux through the surface

A 0.150 T magnetic field B crosses the xy plane perpendicular to the x axis and at an angle of 70.0° to the y axis. What is the total magnetic flux through the surface

  The greatest distance between halley''s comet and the sun

A converging lens has a focal length of f = 29 cm. If an object is placed 40 cm from the lens, where will the image be formed.

  What is the angular speed of the rod after rings leave it

A uniform rod of mass 3.20×10?2 and length 0.430 rotates in a horizontal plane about a fixed axis through its center and perpendicular to the rod. Two small rings, each with mass 0.190 , are mounted so that they can slide along the rod.

  Determine how many different poker hands are there

A standard deck of cards contains 52 different cards. A poker hand consists of five cards, chose randomly. How many different poker hands are there

  Determine the energy of the ejected electrons

Molybdenum has a work function of 4.2 eV. If light of frequency 2.0 x 10^15 Hz strikes the surface of molybdenum

  Compute the escape velocity from the surface of the planet

The escape velocity of a bullet from the surface of planet Y is 1791 m/s. Calculate the escape velocity from the surface of the planet X

  How much time elapses between the impacts

A plucked guitar string produces a sound wave of frequency 440 Hz. (a) What is the wavelength of the sound wave (assume the speed of sound in air is 340 m/s)? (b) How much time elapses between the impacts of two adjacent compression on your eardru..

  Where is the resulting image located

An object is 12.0 cm to the left of a thin, diverging lens that has a focal length of magnitude 15.5 cm. Where is the resulting image located

  Find the maximum height the reaches

A rocket moves straight upward ,starting from rest with an acceleration of +29.4 m/s2. it runs out of fuel at the end of 10.00 seconds, find the maximum height the reaches

  What is the total charge incident on the atmosphere

Assuming that the depth of Earth's atmosphere is 100.0 km, what is the total charge incident on the atmosphere in 177.0 s? Assume that the radius of the surface of the Earth is 6378. km.

  What is the depth of the well

A student uses an audio oscillator of adjustable frequency to measure the depth of a water well. What is the depth of the well

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