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Aim: How to determine the melting point of a substance?. Challenge : Design an experiment t o determine the melting point of water. Your write up should include the following components : I. TITLE: II. PURPOSE: MATERIALS: Ice, beaker, water, thermometer, stirring rod,

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aim how to determine the melting point of a substance

Aim: How to determine the melting point of a substance?

Challenge: Design an experiment to determine the melting point of water.

Your write up should include the following components:

I. TITLE:

II. PURPOSE:

MATERIALS: Ice, beaker, water, thermometer, stirring rod,

clock/stopwatch.

IV. PROCEDURE:

V. DATA:

VI. CALCULATIONS/GRAPH:

VII.CONCLUSION: Be sure to include a discussion of sources of error.

aim how to determine the melting point of a substance1
Aim: How to determine the melting point of a substance?
  • What is the freezing point of water?
  • How would the mass of the sample affect the melting point? Explain.
  • Determine the boiling point of water.
  • Describe the states of the elements at STP.
  • Use a simple particle model to differentiate among properties of solids, liquids, and gases.
aim how to determine the melting point of a substance2
Aim: How to determine the melting point of a substance?
  • condensation
  • deposition
  • freezing
  • fusion
  • gaseous phase
  • heat
  • heat of fusion
  • heat of vaporization
  • kinetic molecular theory
  • sublimation
  • temperature
  • vaporization
  • solidification
  • melt
  • solid phase
  • liquid phase
aim how to determine the melting point of a substance3
Aim: How to determine the melting point of a substance?
  • The structure and arrangement of particles and their interactions determine the physical state of a substance at a given temperature and pressure.
  • The three phases of matter (solids, liquids, and gases) have different properties.
aim how to determine the melting point of a substance4
Aim: How to determine the melting point of a substance?
  • Temperature is a measurement of the average kinetic energy of the particles in a sample of material. Temperature is not a form of energy.
  • Matter is made up of particles whose properties determine the observable characteristics of matter and its reactivity.
aim how to determine the melting point of a substance5
Aim: How to determine the melting point of a substance?
  • The concepts of kinetic and potential energy can be used to explain physical processes that include: fusion (melting), solidification (freezing), vaporization (boiling, evaporation), condensation, sublimation, and deposition.