chemistry-thermochemistry

A student mixes 85.7 g of water at 68.0°C with 50.7 g of water at 24.5°C in an insulated flask. What is the final temperature of the combined water

  1. 👍 0
  2. 👎 0
  3. 👁 98
asked by james
  1. call the 85 g water water1, and the other water2.
    sum of heat changes =0
    heatfromwater1+heatfromwater1=0
    One will be negative, as one of them cools.

    mass1*cw*deltaTemp1+mass2*cw+deltaTemp2=0
    I assume you can handle it from here. Tf in each will be the same, ti for each is given. A little algebra in this...

Respond to this Question

First Name

Your Response

Similar Questions

  1. Chemistry

    A student mixes 85.1 g of water at 69.6°C with 58.1 g of water at 22.0°C in an insulated flask. What is the final temperature of the combined water?

    asked by John on February 9, 2013
  2. Chemistry

    A student mixes 95.1g of water at 77.5 degree C with 42.7g of water at 141.1 degree C in an insulated flask. What is the final temperature of the combined water?

    asked by Linetta De La Cruz on October 31, 2010
  3. chemistry

    a student mixes 88.6g of water at 74.3 degree Celsius with 57.9g of water at 24.8 degree Celsius in an insulated flask.What is the final temperature of the combined water.

    asked by asembi on November 2, 2011
  4. chemistry

    1. When gases are collected using displacement of water, some water vapor mixes in with the gas being collected. A student performed a similar experiment in which 35.2 ml of H2 gas was collected over water at a temperature of 21

    asked by preshi on May 2, 2012
  5. Algebra

    To keep his basketball team hydrated, Daniel mixes a powdered sports drink with cold water. For best taste the mix should be 96% water. If Danial has used 16 scoops of powder and added two quarts of water, how many gallons of

    asked by James on October 3, 2012
  6. Physics - Method Of Mixtures

    Mary mixes 5.00 lb of water at 200°F with 7.00 lb of water at 65.0°F. Find the final temperature of the mixture. -Specific Heat of water is 1.00 BTU/lbs°F

    asked by Ben on November 5, 2014
  7. Physics Science

    Mary mixes 5.00 lb of water at 200°F with 7.00 lb of water at 65.0°F. Find the final temperature of the mixture. -Specific Heat of water is 1.00 BTU/lbs°F

    asked by Ben on November 5, 2014
  8. CHEMISTRY!!

    A student determined the calorimeter constant of the calorimeter. The student added 50.00 mL of cold water to 50.00 mK of heated , distilled water in a styrofoam cup. The initial temp of the cold water was 21,00C and the hot

    asked by Sydney on March 3, 2010
  9. Physics

    "Luke Skywalker mixes 250g of hot water (75 deg C) with 500g of cool water (15 deg C). What is the final temperature of the water?" If someone could just give me a formula, I'd be fine. :)

    asked by Jen on October 4, 2008
  10. Chemistry

    A student determined the calorimeter constant of the calorimeter. The student added 50.00 mL of cold water to 50.00 mK of heated , distilled water in a styrofoam cup. The initial temp of the cold water was 21,00C and the hot

    asked by Yari on November 13, 2016

More Similar Questions