chemistry

posted by .

When 14 grams of a sample cools from 59C
to 27.8C it loses 20.9 Joules of heat. What is
the specific heat of the sample?

  • chemistry -

    q = mass x specific heat x (Tfinal-Tinitial)
    Substitute and solve for sp. h.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. chem

    When 13 grams of a sample cools from 56c to 34.4cit loses 25.8 Joules of heat. What is the specific heat of the sample?
  2. Chemistry Help!

    calculate the specific heat of a metallic element if 314 joules of energy are needed to raise the teperature of a 50.0g sample from 25C to 50C. i'm not sure if you use the Q=(s)(m)(delta t) equation or not since it asks for the specific …
  3. chemistry

    * A 50 gram sample of an unknown metal warms from 18 to 58 after absorbing 800 joules of energy. what is the specific heat of the metal?
  4. Energy multiple choice question

    Which of the following samples has the highest specific heat capacity?
  5. Chemistry

    A 35.00 mL sample of water at 30.0°C is placed in an open container with an external pressure of 1.00 atm. 30.0 kJ of heat is added to the water sample. The density of water is 1 g/mL. (a) How many grams of liquid water remain at …
  6. Chemistry

    A 11.6 g sample of an unknown metal was heated to 100.0 oC and then added to 25.0 g of water at 23.0 degrees Celsius in an insulated calorimeter. At thermal equilibrium, the temperature of the water in the calorimeter was 24.8 degrees …
  7. physics

    A 13 gram sample of an unknown metal at 26.5°C is placed in a Styrofoam cup containing 50.0 grams of water at 88.6°C. The water cools down and the metal warms up until thermal equilibrium is achieved at 87.1°C. A 10 percent of heat …
  8. physics 2

    A 12.9 gram sample of an unknown metal at 26.5°C is placed in a Styrofoam cup containing 50.0 grams of water at 88.6°C. The water cools down and the metal warms up until thermal equilibrium is achieved at 87.1°C. A 10 percent of …
  9. physics 2

    A 12.9 gram sample of an unknown metal at 26.5°C is placed in a Styrofoam cup containing 50.0 grams of water at 88.6°C. The water cools down and the metal warms up until thermal equilibrium is achieved at 87.1°C. A 10 percent of …
  10. chemistry

    A sample of silicon absorbs 14.9 J of heat, upon which the temperature of the sample increases from 21.5°C to 28.5°C. If the specific heat of silicon is 0.710 J g -1 K -1 , what is the mass (in grams) of the sample?

More Similar Questions