STATES OF MATTER AND CHANGES OF STATE
STATES OF MATTER
AND CHANGES OF STATE
SOLID, LIQUID AND GAS
SOLID
•1. PARTICLES ARE TIGHTLY ARRANGED. NO SPACE BETWEEN ATOMS•2. DEFINITE SHAPE•3. DEFINITE VOLUME•4. PARTICLES VIBRATE NEXT TO EACH OTHER
LIQUID
• 1. PARTICLES HAVE SOME SPACE BETWEEN. • 2. DEFINITE VOLUME• 3. NO DEFINITE SHAPE• 4. PARTICLE MOVEMENT IS A SLIDING ACTION PAST EACH OTHER
GAS
•1.PARTICLE SPACING IS VERY FAR APART•2. NO DEFINITE SHAPE•3. NO DEFINITE VOLUME•4. PARTICLE MOVEMENT IS VERY FAST AND MAY OR MAY NOT COME IN CONTACT WITH EACH OTHER
CHANGES OF STATE OF MATTER
IN ORDER FOR A SOLID, LIQUID OR GAS TO CHANGE ITS STATE OF MATTER HEAT ENERGY IS
EITHER ADDED OR SUBTRACTED
HOW DOES A SOLID, LIQUID OR GAS CHANGE ITS
STATEHEAT ENERGY
HAS TO BE ADDED OR
SUBTRACTED
HEAT ENERGY ADDED TO A SOLID-MELTING OCCURS
97˚F/16˚C KITCHEN MELTING POINTS MELTED GOLD
HEAT ENERGY ADDED TO A LIQUIDEVAPORATION OR BOILING
BOILING WATER MOLECULE MOTION IN EVAPORATION AND BOILING
WATER EVAPORATING
COMPARISON OF BOILING AND EVAPORATION
SUBLIMATIONA SOLID CHANGES INTO A GAS WITHOUT
BECOMING A LIQUID FIRSTDRY ICE DRY ICE
SNOW SUBLIMATION
WHEN HEAT ENERGY IS REMOVED A GAS BECOMES A LIQUID
CONDENSATIONWATER VAPOR
CONDENSING ON SODA LITER
WATER VAPOR CONDENSING ON
GLASSWATER VAPOR
CONDENSING ON PLANTS
REMOVAL OF HEAT ENERGY FROM A LIQUIDFREEZING
THERE IS A SPECIFIC TEMP AT WHICH LIQUIDSFREEZE
WATER FREEZING ALMOST IMMEDIATELY
THE LOWEST TEMPERATURE THAT IT IS POSSIBLE TO REACH (O⁰K, -273.15⁰C, -459.67⁰F) IS CALLED
ABSOLUTE ZERO
DEPOSITIONWHEN HEAT ENERGY IS REMOVED AND WATER
VAPOR CHANGES DIRECTLY INTO A SOLIDFROST SNOW FROST
WATER HAS A FREEZING POINT OF 0˚C AND A MELTING POINT OF 0˚C
HOW IS THIS POSSIBLE???