chemistry

how many joules of energy are needed to change 275 g of water from 15 degrees C to steam at 100 degrees C

  1. 👍 0
  2. 👎 0
  3. 👁 173
  1. please tell me if this is set up right (275g)(4.184J/1 g Degree C)(85Degrees C)

    1. 👍 0
    2. 👎 0
  2. You have half of it right. The other half you have ignored.
    q1 = heat needed to raise T of water from 15C to 100 C is what you have calculated.

    q2 = heat needed to change T of water at 100 C to steam at 100 C.
    That is q2 = mass H2O x heat vaporization.

    1. 👍 0
    2. 👎 1

Respond to this Question

First Name

Your Response

Similar Questions

  1. chemisty

    how many joules of energy are needed to change 275 g of water from 15 degrees C to steam at 100 degrees C?

    asked by haley on May 13, 2014
  2. Chemistry

    How many joules of energy are needed to change 275 g of water from 15°C to steam at 100.°C?

    asked by B on April 3, 2013
  3. Chemistry

    how many joules of energy are needed to change 400 grams of water from 35 degrees C to 45 degrees C?

    asked by helpneeded on September 1, 2016
  4. Chemistry

    How many joules of energy are needed to change 114 g of water at 16.5°C to steam at 100°C?

    asked by Mark on May 26, 2015
  5. Chemistry

    The temperature of 550. g of water is increased from 16.0 degrees Celsius to 28.2 degrees Celsius by burning fuel. How many joules of energy is needed to increase the temperature of the water to 28.2 degrees?

    asked by Annette on February 5, 2014
  6. chemistry

    Liquid water has a specific heat of 4.184 J/g degrees celcius. If 50 grams of water is heated from10 to 55 degrees celcius, what is the heat energy in joules needed to heat this water

    asked by kiersten on November 5, 2012
  7. Chemistry

    If there are 57.6 mL of water that change from 19.4 degrees Celsius to 34.7 degrees Celsius, calculate the number of joules of energy transferred in the form of heat. Round to the nearest whole number. The specific heat capacity

    asked by Alex on March 22, 2015
  8. Science

    1. How much heat energy is lost by 3 kg of water when it cools from 80 degrees C to 10 degrees C? 2. A 300 g piece of aluminum is heated from 30 degrees C to 150 degrees C. What amount of heat energy is absorbed? 3. Determine the

    asked by Debra on October 23, 2011
  9. Physics 20

    1. How much heat energy is required to change 500 grams of water at 100 degrees Celsius to steam at 100 degrees Celsius? 2. How much energy is lost if 7kg of water is cooled from 46 degrees Celsius to 2 degrees Celsius? 3. How

    asked by Tamai on June 8, 2014
  10. chemistry

    500 grams of water at 0 degrees C was heated to a boiling in a large pot. how much energy was needed? what was the temperature change and Heat energy

    asked by amanda on May 2, 2011

More Similar Questions