What is the net entropy change if room temperature

Assignment Help Physics
Reference no: EM13550589

The net entropy changes when a 81g ice cube initially at 0 degrees C melts in a room. What is the net entropy change if room temperature =19 degrees C? What is the net entropy change if room temperature =40 degrees C?

Reference no: EM13550589

Questions Cloud

One blade of a pair of scissors rotates clockwise : One blade of a pair of scissors rotates clockwise in the xy plane. What is the direction of omega vec? What is the direction of avec if the magnitude of the angular velocity is decreasing in time?
What will be the cars fuel economy in miles per gallon : Suppose a car's standard tires are replaced with tires 1.30 times larger in diameter. Then what will the speedometer reading be? What will be the car's fuel economy in miles per gallon or km/L?
Calculate the magni- tudes of the forces exerted : A diver of mass 68 kg stands at the end of a uniform diving board of mass 16 kg and length 4:5 m. The board is attached by two pedestals that are 1:5 m apart, as shown in the gure.
What is total displacement of block over one complete period : A spring-block system executes simple harmonic motion. The mass of the block is m = 12 kg and the total energy is E = 18 J. The amplitude is A = 0:10 m.
What is the net entropy change if room temperature : The net entropy changes when a 81g ice cube initially at 0 degrees C melts in a room. What is the net entropy change if room temperature =19 degrees C? What is the net entropy change if room temperature =40 degrees C?
Gas in a container is at a pressure : Gas in a container is at a pressure of 1.5 atm and volume of 4 m^3. What is the work done on gas (a) if it expands at constant pressure to twice its initial volume (b) it is compressed at constant pressure to one-quarter its initial volume?
What are the daughter nuclei of the two decays : 15 O and 131 I are isotopes used in medical imaging 15 O is a beta-plus emitter, 131 I a beta-minus emitter. What are the daughter nuclei of the two decays?
Convenient device for removing liquids from containers : A siphon, as shown in the figure (Figure 1) , is a convenient device for removing liquids from containers. To establish the flow, the tube must be initially filled with fluid.
Calculate the time it takes for the tank to drain completely : A large tank with diameter D, open to the air, contains water to a height { H}. A small hole with diameter d ( {d \ll D} ) is made at the base of the tank. Ignoring any effects of viscosity, calculate the time it takes for the tank to drain completel..

Reviews

Write a Review

Physics Questions & Answers

  What is the radius of the arc

an airplane flying at a constant speed of 160 m/s pulls out of a dive in a circular arc. the 80 kg pilot presses down on his seat with a force of 3000 N, What is the radius of the arc

  What is the gravitational potential energy

A 200 kg object and a 500 kg object are separated by 1.2 m. A 150 kg object is placed half way between the two objects, What is the gravitational potential energy of the three masses

  Determine what is the average acceleration of the car

A car traveling initially at 7.0 m/s accelerates to velocity 12.0 m/s in 2.0 s. What is the average acceleration of the car

  What will the velocity of the referee be after the collision

A 140 kg hockey player skating at -12 m/s runs into the back of a referee that weighs 70 kg and is traveling in the same direction but at only -6 m/s. what will the velocity of the referee be after the collision

  Calculate the height from the bottom

A child on a swing of length R= 2 meters is given an initial velocity v=8.9 m/s. Calculate the height from the bottom when the cord just goes slack, and the child leaves the circular path

  Find out the magnitude of the magnetic force

A generator uses a coil that has 210 turns and a 0.20-T magnetic field. The frequency of this generator is 60.0 Hz, and its emf has an rms value of 120 V. assume that each turn of the coil is a square (an approximation), conclude the length of wire f..

  What is the wavelength of second laser

A laser with wavelength d/8 is shining light on a double slit with slit separation 0.3 {rm mm}. This results in an interference pattern on the screen a distance L away from the slits. We wish to shine a second laser, with a different wavelength, t..

  Explain how far east of the tee does the ball hit fairway

The initial angle of the ball’s motion off the tee is 29.0° above the horizontal. If the tee level is 17.0 m above the level of the fairway, explain how far east of the tee does the ball hit the fairway?

  The blocks are equipped with ideal spring bumpers

Blocks A (mass 6.50kg ) and B (mass 15.00kg ) move on a frictionless, horizontal surface. Initially, block B is at rest and block A is moving toward it at 10.0m/s . The blocks are equipped with ideal spring bumpers.

  Calculate the area of each plate

The plates of a parallel-plate capacitor are 3.00mm apart, and each carries a charge of magnitude 75.0nC. What is the area of each plate

  Find an expression for work done by the gas

Find an expression for work done by the gas

  Question1a 67 human sprinters can accelerate from rest to

question1a 67 human sprinters can accelerate from rest to 11 in 3.0. throughout the similar interval a 32 greyhound can

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