Find how many pellets must be added to water

Assignment Help Physics
Reference no: EM13677506

Lead pellets, mass of each is 0.80 gram is heated to 200°C. Find how many pellets must be added to 480 gram of water that is initially at 20°C to make the equilibrium temperature 25°C? Ignore any energy transfer to or from the container.

________pellets

Reference no: EM13677506

Questions Cloud

Improve the efficiency of their operations : To help improve the efficiency of their operations, the Maitre De has hired you to write a program that simulates people waiting for tables. The goal is to determine the average amount of time people spend waiting for tables.
Compute how much heat went into the gas : A gas expands from 1 m3 to 2 m3 at a constant pressure of 500 Pa. Compute how much heat went into the gas
Consider the waves on a vibrating guitar string : Consider the waves on a vibrating guitar string and the sound waves the guitar produces in the surrounding air. The string waves and the sound waves have the same frequency. Can someone describe why?
Surface distribution of charge on each sphere is uniform : Two identical conducting spheres each having a radius of 0.500 cm are connected with a light 2.40 m long conducting wire. A charge of 66.0 µC is placed on one of the conductors. Suppose the surface distribution of charge on each sphere is uniform. De..
Find how many pellets must be added to water : Lead pellets, mass of each is 0.80 gram is heated to 200°C. Find how many pellets must be added to 480 gram of water that is initially at 20°C to make the equilibrium temperature 25°C
Compute the total kinetic energy of the disk : A uniform disk of 10 kg mass and 0.5 m diameter rolls without slipping on a flat horizontal surface. If the velocity of its center is 50 km/h, compute the total kinetic energy of the disk.
Earths rotation : Derive an expression for the energy needed to launch an object from the surface of Earth to a height h above the surface. Ignoring Earth's rotation, how much energy is required to get the same object into orbit at height h?
Obtain the specific heat of gold from these data : The temperature of a gold bar rises by 10°C when it absorbs 0.677 kJ of energy by heat. The mass of the bar is 525 gram. Obtain the specific heat of gold from these data
What is the change in length of the rod : An aluminum rod is 17 centimeter long at 20°C and have a mass of 350 gram. If 14,000 Joule of energy is added to the rod by heat, determine what is the change in length of the rod

Reviews

Write a Review

Physics Questions & Answers

  Find the z-component of the electric field

The electric potential is given by (50 V/m7)(xz6 + x3y4) in the region of space that includes the point (x,y,z) = (-2,7,-3) m

  How the protons are to hit the target

protons are projected with an initial velocity v0 = 10410m/s into a region where a uniform electric field E = 710 N/C is present. The protons are to hit the target that lies a horizontal distance of 1.27mm from the point where protons are launched..

  How does banking the curve make it safer

A highway has an unbanked curve with a radius of 100m. An engineer suggest banking the curve so that it is safer in icy weather. How does banking the curve make it safer

  Rank the voltage across each cylinder

Rank the voltage across each cylinder. A baseball is seen to pass upward by a window 15 m above the street with a vertical speed of 18 m/s. imagine the ball was thrown from the street. What was it's initial speed.

  Find frequencies of vibration of the piano wire

find frequencies of vibration of the piano wire. Car 1 has 3 times the mass of car 2, but only 0.5 as much kinetic energy. What is the ratio between the speeds of the two cars (v1/v2)? You must type your answer as a numerical value.

  Determine what is the potential of the sphere

a point charge q is held at a distance of 2a from the center of an isolated and the conducting sphere of radius a. what is the potential of the sphere

  How many electrons strike the screen each second

The electron beam inside a television picture tube is 0.40mm in diameter and carries a current of 50uA. How many electrons strike the screen each second

  At around what speed would the string break

A certain string just breaks while it is under 25 N of tension. A boy uses this string to whirl a 0.75-kg stone in a horizontal circle of radius 2.00 m. The boy continuously increases the speed of the stone. At around what speed would the string b..

  Find what average power must the winch supply

Some gliders are launched from the ground by means of a winch, which rapidly reels in a towing cable attached to the glider. Find what average power must the winch supply

  Find the magnitude of the magnetic force exerted

A high-voltage power line carries a current of 120A at a location where the Earth's magnetic field has a magnitude of 0.59 G and points to the north, 63 degrees below the horizontal. Find the magnitude of the magnetic force exerted on a 290m length..

  Beads are then given identical charges

Two cylindrical glass beads each of mass m = 44 mg are set on their flat ends on a horizontal insulating surface separated by a distance d = 3 cm. The coefficient of static friction between the beads and the surface is ?s = 0.2. The beads are then gi..

  Determine the velocity of the wave on the sting

A 7.9-m long string is moved up and down with simple harmonic motion with a frequency of 91 Hz. Determine the velocity of the wave on the sting

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