Heating Curve

Plot of temperature vs heat added showing phase changes and plateaus.

Short definition

Plot of temperature vs heat added showing phase changes and plateaus.

Full explanation

Heating Curve in the context of liquids solids phase changes: Plot of temperature vs heat added showing phase changes and plateaus. In practice this means relating macroscopic observation (mass, pressure, color), particle-level picture (atoms, electrons, ions moving and rearranging), and symbolic representation (formulas, equations, units). For Heating Curve, students connect the definition to linked lessons: do not just memorize the phrase — predict what changes when conditions change and check with dimensional analysis.

Notation and units

• Notation: —
• Common units: SI or derived, temperature in kelvins when in gas/energy contexts.
• Symbolic hint: See related formula if applicable.

Example

Example for heating curve: In a worked problem where this term appears, substitute measured values with correct units and check that the dimensional result matches the intended quantity. For instance, calculating a heating curve often uses the form $n=m/M$ or $c=n/V$ or $PV=nRT$ with $T$ in kelvins — illustrating how heating curve leads to a numerically different but dimensionally correct result when units are handled.

Confused with

• Cooling Curve — distinction: Heating Curve is plot of temperature vs heat added showing phase changes and plateaus. while Cooling Curve has a different defining property. See cross-link in glossary.

Related resources

• Topic: liquids-solids-phase-changes
• Formula library — when a specific equation involves this term it is linked.
• Constants — if a constant is required, it is sourced and versioned (NIST 2022).

Sources

• NIST Physical Constants 2022 (nist-2022, CODATA 2022). Accessed 2026-08-21.

Last reviewed: 2026-08-21 — Review due: 2027-08-21 — Author: Chemistry Fundamentals Editorial Team — Reviewer: Editorial Review Board (transparent placeholder).

Correction? See Corrections Policy and Contact.