How much heat has the refrigerator extracted from the water

Assignment Help Physics
Reference no: EM13521191

To test the working of a refrigerator you put a container having two liters of water (=2kg) at 50C in its freezer. After exactly 30 minutes you take out the container, and find that you have 500 grams of ice and 1500 grams of water both at 0C.

a. How much heat has the refrigerator extracted from the water?

Reference no: EM13521191

Questions Cloud

State what is the molar mass of the compound : A solution of 5.36 g of a molecular compound dissolved in 76.8 g benzene (C6H6) and has a boiling point of 81.46oC. What is the molar mass of the compound
How much energy is the sun radiating into space per second : The temperature of the surface of the sun is 6000K and its radius is 696,000Km. How much energy is the sun radiating into space per second
The total distance traveled by a point on the edge of a tire : The total distance traveled by a point on the edge of a tire?
Explain what is the molality and freezing point : What is the (a) molality, (b) freezing point, (c) boiling point of a solution containing 100.0 g of ethylene glycol (C6H6O2) in 150.0 g of water
How much heat has the refrigerator extracted from the water : To test the working of a refrigerator you put a container having two liters of water (=2kg) at 50C in its freezer. How much heat has the refrigerator extracted from the water
Obtain the moment of inertia of the disk : A thin, flat, uniform disk has mass M and radius R. Find the moment of inertia of the disk with the hole about an axis through the original center of the disk, perpendicular to the plane of the disk
Define mass solution of silver nitrate should be used : A chemistry lab experiment requires 25.2 g of silver nitrate. How many grams of a 15.5% by mass solution of silver nitrate should be used.
Prepare the cost of goods manufactured schedule : Prepare the cost of goods manufactured schedule for the month of April - Fishel Manufacturing Company
What is the voltage now across the capacitor : A parallel-plate capacitor has a capacitance of 10mF and is charged with a 20-V power supply. What is the voltage now across the capacitor

Reviews

Write a Review

Physics Questions & Answers

  How deep is the ocean at this point

A sailor strikes the side of his ship just below the waterline. He hears the echo of the sound reflected from the ocean floor directly below 1.6 s later. How deep is the ocean at this point

  Determine the speed of the pribe realitive to earth

A spaceship moves away from Earth at a speed 0.417 c and fires a shuttle craft that then moves in a forward direction at 0.701 c relative to the ship. determine the speed of the pribe realitive to earth

  Determine the direction of the force on each charge

A charge of 6.53mC is placed at each corner of a square .470 m on a side. Determine the direction of the force on each charge

  How much charge can be placed on a capacitor

(a) How much charge can be placed on a capacitor with air between the plates before it breaks down if the area of each plate is 6.00 cm2? (b) Find the maximum charge if bakelite is used between the plates instead of air.

  Determine how much heat transfer is req to raise the temp

how much heat transfer is req to raise the temp of a 0.750 kg al pot containing 2.50 kg of water from 30C to the boiling point and then boil away 0.750kg of water

  Q1 a crate of 319- tools rests on a horizontal floor you

q1. a crate of 31.9- tools rests on a horizontal floor. you exert a gradually increasing horizontal push on it and

  What is the average exhaust speed of the engine

A model rocket engine has an average thrust of 5.26 N. It has an initial mass of 25.0 g, which includes fuel mass of 12.3 g. What is the average exhaust speed of the engine

  Find what should be the inductance of the inductor

You need to make a series ac circuit having a resonance angular frequency of 1475 rad/s using a 146 Omega resistor, a 10.5 mF capacitor, and an inductor. What should be the inductance of the inductor

  What speed must she have at point 3

A stone is dropped from the top of the cliff. The splash it makes when striking the water below is heard 3.5 seconds after it is dropped. How high is the cliff? Presume that the speed of sound in air is 343 m/s and g = 9.8 m/s2.

  Question1a robot arm that controls position of the video

question1a robot arm that controls position of the video camera in an automated surveillance system is manipulated by a

  Find how many liters of water does the motor pump

A 2.5hp electric motor on a water well pumps water from 10m below the surface. The density of water is 1.0 kg per liter. How many liters of water does the motor pump in 2.0hr

  Find the ratio of the kinetic energy to the potential enery

If the phase angle for a block-spring system in SHM is pi/6 rad and the block's position is given by x = xm cos(wt + pi). what is the ratio of the kinetic energy to the potential enery at time t = 0

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