How much heat is gained by the cold water

Assignment Help Physics
Reference no: EM13250119

70 grams of water at 85°C are mixed with an equal amount of water at 15°C in a completely insulated container. The final temperature of the water is 50°C.

(a) How much heat is lost by the hot water?

(b) How much heat is gained by the cold water?

(c) What happens to the total amount of internal energy of the system?

Reference no: EM13250119

Questions Cloud

Describe the three stages of medical technology development : Explain how health is affected by behaviors, economics, and social structure.
Computer-based tools to manage procurement : Increasingly, organisations are using computer-based tools for contracting, tendering, and procuring to meet project deliverable requirements.
Provide examples from popular press or scholarly journal : What is the best way to develop, introduce, regulate, provide access, and pay for new health technologies in the 21st century?
Explain the half-life of an alpha emitter : The half-life of U-235, an alpha emitter, is 7.1*10^8 yr.Calculate the number of alpha particles emitted by 9.1 mg of this nuclide in 8.0 minutes.
How much heat is gained by the cold water : 70 grams of water at 85°C are mixed with an equal amount of water at 15°C in a completely insulated container. How much heat is gained by the cold water
Determine the number of coulombs of charge produced : Determine the number of coulombs of charge produced by a 12 A battery charger in an hour. A lightning bolt carrying 20,000 A lasts for 70*10^-6 s. If the lightning strikes a tractor, determine the charge deposited on the tractor if the tires are a..
What are the roles executives need to play in managing : What are the roles executives need to play in managing the use of IT?
Explain the electron affinity for an element is a negative : If the electron affinity for an element is a negative number does it mean that the anion of the element is more stable than the neutral atom. Explain
What is the focal length of the lens : An object with a height of 4.0 cm is placed 30.0 cm from a lens. The resulting inverted image has a height of 1.5 cm. What is the focal length of the lens

Reviews

Write a Review

Physics Questions & Answers

  What is the minimum stopping distance for the same car

You are asked to design a parallel-plate capacitor having a capacitance of 1 F and a plate separation of 1.00 mm. compute the required surface area of each plate. Is this a realistic size for a capacitor.

  What is the tension of string

A 73 trampoline artist jumps vertically upward from the top of a platform with a speed of 4.0. If the trampoline behaves like a spring of spring constant 6.2×104, how far does he depress it.

  Find the resultant force exerted on q3

Consider three point charges located at the corners (points 1, 2, and 3) of a right triangle with sides "a", where q1 is located at corner 1, q2 at corner 2, and q3 at corner 3, Find the resultant force exerted on q3

  What is the velocity of the crate at the bottom of the ramp

A man takes his dog out for a walk. The dog has no legs and is dragged along sidewalk on a little sled (mass of dog + sled = 13.0kg). The sidewalk exerts a frictional force of 14.0N.

  What is the resistivity of the wire

A potential difference of ?V = 12.0 V is found to produce a current of 0.40 A in a 3.2 m length of wire with a uniform radius of 0.40 cm, What is the resistivity of the wire

  What is the maximum height

A baseball player hits a ball at 49.2m/s at an angle of 29.0 degrees above the horizontal. The outfield bleachers are 145 m away from the home plate.

  What speed of sound is implied by this data

An air column in a glass tube is open at one end and closed at the other by a movable piston. The air in the tube is warmed above room temperature, and a 356 Hz tuning fork is held at the open end. Resonance is heard when the piston is at a distan..

  Compute the initial energy of the crate

A bucket filled with water has a mass of 54 kg and is hanging from a rope that is wound around .050 m radius stationary cylinder. if the cylinder does not rotate and bucket hangs straight down, what is the magnitude of the torque the bucket produc..

  How many football fields the shuttle cover in blink of eye

The Space Shuttle travels at a speed of about 7.60 103 m/s. The blink of an astronaut's eye lasts about 120 ms. How many football fields (length = 91.4 m) does the Shuttle cover in the blink of an eye?

  How much electrical power are you using

You and a friend are studying late at night. There are three 150 W light bulbs and a radio with an internal resistance of 79.0, How much electrical power are you using

  The system is released from rest

A pencil (mass 5.8g and length 8.3cm) is at first balanced so that it is sitting vertically on a flat table. If the pencil then falls, find its angular velocity just before it strikes the tabletop. Assume that the mass of the pencil is distributed un..

  Entire system is at rest and the spring is unscratched

If the 2 kg mass slides on a horizontal frictionless surface, what is the speed of the mass 4 kg while it has fallen a distance 0.4 m downward from its rest position.

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