physics

What will be the equilibrium temperature when a 245g block of copper at 285 degrees C is placed in a 145g calorimeter aluminum cup containing 825g of water at 12 C ?

  1. 0
  2. 0
  3. 10
asked by Mark
  1. The sum of the heats gained is zero.

    heat added to heat copper+ heat added to water + heat added to alumium cup=0

    245*Ccopper*(Tf-285C)+825*Cwater*(Tf-12)+145*Caluminum*(Tf-12)=0
    solve for Tf

    1. 0
    2. 0
    posted by bobpursley

Respond to this Question

First Name

Your Response

Similar Questions

  1. Physics

    What will be the equilibrium temperature when a 245 g block of copper at 285 oC is placed in a 145 g aluminum calorimeter cup containing 825 g of water at 12.0 oC?

    asked by Eric on September 20, 2010
  2. physics

    What will be the equilibrium temperature when a 245-g block of copper at 285„aC is placed in a 145-g aluminum calorimeter cup containing 825g of water at 12.0„aC?

    asked by lisa on March 18, 2012
  3. chemistry

    A block of copper of unknown mass has an initial temperature of 66.7 ∘ C . The copper is immersed in a beaker containing 95.5g of water at 20.6 ∘ C . When the two substances reach thermal equilibrium, the final temperature is

    asked by k on July 3, 2014
  4. Chemistry

    A block of copper of unknown mass has an initial temperature of 69.1 ∘C . The copper is immersed in a beaker containing 93.4 g of water at 21.0 ∘C . When the two substances reach thermal equilibrium, the final temperature is

    asked by Judy Blue on November 17, 2015
  5. Chemistry

    A 25.0 g block of copper at 350.0 degrees celcius has 857J of heat added to it. What is the final temperature of the block of copper?

    asked by Maryam on November 27, 2012
  6. Physics

    A 3.40 kg block of copper at a temperature of 74 °C is dropped into a bucket containing a mixture of ice and water whose total mass is 1.20 kg. When thermal equilibrium is reached the temperature of the water is 14 °C. How much

    asked by Jennifer on April 23, 2015
  7. Help me! Physics

    A block of aluminum with a mass of 2.6 kg is at 13C and comes in contact with a hot block of copper with a mass of 10.2 kg at 93C. What is the equilibrium temperature in Celsius degrees? caluminum = 0.22 kcal/kgC ccopper = 0.093

    asked by Sierra on January 18, 2013
  8. Chemistry

    1. Calculate the number of calories needed to increase the temperature of 50.0 g of copper metal from 21.0 degrees C to 75.0 degrees C. Given, the specific heat of copper is 0.382 cal/g x degrees C. 2. What will be the final

    asked by Shona on March 7, 2011
  9. Chemistry

    The heat lost or gained by a system is related to its temperature change by a property called its heat capacity. The molar heat capacity of metals at or above room temperature equals 24.92 J K-1mol-1. The temperature of a block of

    asked by Caitlin on February 6, 2013
  10. Chemistry!

    The heat lost or gained by a system is related to its temperature change by a property called its heat capacity. The molar heat capacity of metals at or above room temperature equals 24.92 J K-1mol-1. The temperature of a block of

    asked by Anonymous on February 18, 2013

More Similar Questions