chemistry

How many joules of heat energy are required to raise the temperature of 20 grams of water by 50°C?

  1. 👍 0
  2. 👎 0
  3. 👁 72
  1. q = m*c*delta T
    Joules = mass H2O x specific heat H2O x 50 = ?

Respond to this Question

First Name

Your Response

Similar Questions

  1. physics

    What amount of heat is required to raise the temperature of 20 grams of water from 10°C to 30°C? The specific heat of water is 4.18 J/g°C. 1200 joules 1500 joules 1700 joules 1900 joules 2000 joules

    asked by sc on June 22, 2015
  2. Physics

    What amount of heat is required to raise the temperature of 350 grams of copper to cause a 25°C change? The specific heat of copper is 0.39 J/g°C A. 2500 joules B. 2600 joules C. 3400 joules D. 3900 joules

    asked by Fredrick on April 24, 2013
  3. algebra

    A jeweler is heating a gold bar. It takes 7 joules of heat to raise the temperature of the bar 1°C. The initial temperature of the bar is 25°C. Use this information for Items 4–11. 4. Make a table that shows how many joules of

    asked by sarah on September 16, 2015
  4. math,

    A jeweler is heating a gold bar. It takes 7 joules of heat to raise the temperature of the bar 1°C. The initial temperature of the bar is 25°C. Use this information for Items 4–11. 4. Make a table that shows how many joules of

    asked by sarah on September 16, 2015
  5. math

    A jeweler is heating a gold bar. It takes 7 joules of heat to raise the temperature of the bar 1°C. The initial temperature of the bar is 25°C. Use this information for Items 4–11. 4. Make a table that shows how many joules of

    asked by sarah on September 16, 2015
  6. 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? *copper has a specific heat of 0.387 j/g degree celsius. what is the mass of a piece of

    asked by help on December 11, 2012
  7. Chemistry

    You have 23.0g of water initially at -46°C. How much energy in joules is required to heat the ice to 0°C? c ice = 2.1 J/g°C. I thought joules was calculated by grams*change in temperature*specific heat. The answer I get from

    asked by Harrison on March 1, 2015
  8. chemistry

    calculate the energy required to raise the temp. of 170.0 g of silver (specific heat = .24 joules/celsius times grams) from 273K to 301K. I know the equation and I got 1142.4 joules but need to get to 2 sig figs, so I converted it

    asked by Avonlea on November 6, 2007
  9. Melting Ice Chemistry

    You have an ice cube (H2O) that weighs 5 grams and is at a temperature of -10 degrees Celsius. How much heat energy(in joules) is required to melt the ice cube and raise the temperature of the resulting liquid water to 15 degrees

    asked by Josh on June 14, 2013
  10. Melting Ice Chemistry

    You have an ice cube (H2O) that weighs 5 grams and is at a temperature of -10 degrees Celsius. How much heat energy(in joules) is required to melt the ice cube and raise the temperature of the resulting liquid water to 15 degrees

    asked by Josh on June 14, 2013

More Similar Questions