Chemistry

Energy is released when 100kg of steam at 150.0°C and standard pressure changes to water at 60.0°C. Calculate the total energy change.


Energy change= heat to cool steam to 100C + heat to change steam to water + heat change for water from 100 to 60c

  1. 👍
  2. 👎
  3. 👁

Respond to this Question

First Name

Your Response

Similar Questions

  1. chemistry

    1. Given that 50 grams of ice is heated at -20.0 °C to steam at 135.0 °C. i. Show the graph of the changes from ice to steam ii. Calculate the energy needed to change the ice to steam Please use these values: Heat of fusion =

  2. Science

    A patient arrives in the emergency room with a burn caused by steam. Calculate the heat that is released when 10.7 g of steam at 100. ∘C hits the skin, condenses, and cools to body temperature of 37.0 ∘C. (For water, 540 cal

  3. Chemistry

    Calculate the heat released when 64.5g of steam at 119 C is converted to water at 36 C. Assume the specific heat is 4.184 J/g*C for water, the specific heat of steam is 1.99J/g*C, and the heat of vaporization is 40.79 kJ/mol for

  4. Physics

    How much thermal energy is released when 500 g of steam at 100 degrees celsius condenses into liquid and then cools to 50 degrees celsius. What I`ve Attempted: Q=mLv m = 500g (0.5 kg) Lv = 2.3*10^6 Q=(0.5)(2.3*10^6) Q=1,150,000 J

  1. chemistry

    A) How much energy is released when 25.0 g of steam condense to liquid H2O at 100°C? B) If it takes 1215J of heat to raise the temperature of water 11.C, how much does the water weigh, in grams? C) How many joules of heat does it

  2. Physics

    A body of mass 100kg is released from a height of 200m .with what energy does the body strikes the ground (take g=10m/s)

  3. Thermodynamics

    a rigid vessel of volume 1m(^3) contains steam at 20bar and 400 degrees Celcius. The vessel is cooled until the steam is just dry saturated. Calculate the mass of steam in the vessel, the final pressure of the steam and the heat

  4. chemistry

    A solution contains 5.00g of urea per 0.100kg of water (COCNH2)2 if the vapour pressure of pure water at 25°c is 23.7ton. What is the vapour pressure of the solution

  1. Science

    Which choice most accurately explains what happens to the bonds between atoms when water changes to steam, and what becomes of the energy added during this phase change? A. When water changes to steam bonds between molecules break

  2. Physics Help

    1. The total enthalpy of 15.000kg of steam at 2250.000kPa is 34191.510kJ. Determine the dryness of the steam. ANS = % 2. Determine the quantity of heat required, to raise 11.100kg of water at 80.000 degrees Celsius, to saturated

  3. Physics

    2. Determine the quantity of heat required, to raise 11.100kg of water at 80.000 degrees Celsius, to saturated steam at 2250.000kPa and 71.400% dry. ANS = kJ Not sure where to start. I need a little help please. I do have a chart

  4. 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

You can view more similar questions or ask a new question.