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Free Heating Curve of Water Generator Online

Explore an ideal constant-pressure water model with editable mass, temperatures and thermal parameters.

Water heating and cooling curve

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Water heating and cooling curve

Calculate sensible heat and phase-change energy for water at 1 atm.

Ideal water model at 1 atm: fixed 0 °C and 100 °C transitions, constant heat capacities and power, and no heat loss. Latent heat is included only when the range strictly crosses a transition. At a boundary, the phase follows the interior of the selected temperature interval. Cooling uses positive transferred energy and elapsed time.

Calculated points: 6

Free Heating Curve of Water Generator Online— templates & examples

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Free scientific tools

Free Heating Curve of Water Generator Online

Explore an ideal constant-pressure water model with editable mass, temperatures and thermal parameters.

A heating curve of water relates transferred energy or time to temperature and phase changes. Explore an ideal constant-pressure water model with editable mass, temperatures and thermal parameters. Ice, water and vapor stages. Melting and boiling plateaus. Temperature range controls.

Water heating and cooling curves across phase changes
  • Build the five-stage water curve
  • Change mass and thermal parameters
  • Compare energy and time axes
  • Export the calculated path

Heating Curve of Water Generator Features

Ice, water and vapor stages. Melting and boiling plateaus. Temperature range controls.

Build the five-stage water curve

Use an ideal water model at constant pressure to show sensible heating of ice, liquid water and vapor, with phase-change plateaus at 0°C and 100°C. A temperature range crossing both transitions includes the corresponding fusion and vaporization energies.

  • Ice, water and vapor stages
  • Melting and boiling plateaus
  • Temperature range controls
Build the five-stage water curve

Change mass and thermal parameters

Enter the sample mass, start and end temperatures, heat capacities and latent heats. Sensible segments use Q=mcΔT and transitions use Q=mL, so changes to the physical inputs are reflected in the calculated energy rather than in a decorative curve.

  • Mass in kilograms
  • Heat capacities in J/(kg·K)
  • Latent heats in J/kg
Change mass and thermal parameters

Compare energy and time axes

View temperature against transferred energy or elapsed time. Constant positive power sets duration through t=Q/P; cooling reverses the thermal path while reporting positive energy-transfer magnitude and duration for the selected range.

  • Energy axis in joules
  • Time axis from constant power
  • Heating and cooling paths
Compare energy and time axes

Export the calculated path

Download SVG or PNG for a thermodynamics lesson and CSV for the plotted points. JSON settings preserve the model inputs so a changed mass, temperature range or power can be compared with the original configuration.

  • Calculated-point CSV
  • SVG and PNG curve
  • Restorable model settings
Export the calculated path

How to Plot Your Values

Open the heating curve generator and choose the initial and final temperatures.

  1. Set the water temperature range

    Open the heating curve generator and choose the initial and final temperatures. A rising range heats the sample; a falling range follows the corresponding cooling path through the same model.

  2. Enter the physical quantities

    Set mass and positive constant power, then adapt the heat capacities or latent heats when needed. The water example supplies the values used by the displayed ideal constant-pressure calculation.

  3. Choose energy or time

    Select the horizontal axis for the teaching question. The preview shows sensible temperature changes and any phase-change plateaus included by the selected temperature interval.

  4. Download the curve and data

    Export SVG or PNG for the figure and CSV for the calculated path. Save project JSON to reopen the thermal parameters and compare a different sample or heating power.

Graphs for Experimental Work

Show a heating curve spanning ice, water and vapor in an introductory thermodynamics lesson.

Water heating and cooling curves across phase changes

Introduce phase-change plateaus

Show a heating curve spanning ice, water and vapor in an introductory thermodynamics lesson. Constant-temperature segments distinguish latent heat from the temperature changes in each phase.

Explore this example
Five-stage water heating curve with melting and boiling plateaus

Explore the effect of sample mass

Change mass while keeping the temperature interval and material parameters fixed. The calculated curve gives a concrete comparison of energy required by different amounts of water.

Explore this example
Sensible heating of liquid water between 20 and 80 degrees Celsius

Connect power with heating time

Use the time axis to discuss a constant-power heater. Keeping the thermal path fixed while changing power illustrates how the same energy transfer produces a different duration.

Explore this example
Water cooling curve from vapor to ice with positive transferred energy

Compare heating and cooling

Create rising and falling temperature paths for the same endpoints. Positive transferred-energy magnitudes allow the two directions to be compared while the curve retains its thermal direction.

Explore this example
Water temperature plotted against transferred energy rather than time

Prepare a worked numerical example

Export the plotted-point CSV alongside the figure in a worksheet. Students can connect the segment energies with Q=mcΔT and the phase transitions with Q=mL.

Explore this example
Five-stage water heating curve with melting and boiling plateaus

Share a reusable teaching calculation

Save JSON with the class model and its thermal constants. Another instructor can reopen the setup, vary a parameter and export a comparison curve for the next lesson.

Explore this example

How Researchers Use SciFig

I used the heating curve of water to connect a temperature plot with the energy terms in our calculation. Setting the mass, endpoints and heater power produced a figure and a values table from one configuration. The exported SVG fitted the worked example, and CSV kept the segment values available beside it.

Bethany Scott

Physical chemistry lecturer · University of Durham

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