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States of Matter Phase Changes Gas Laws Heat Transfer Specific Heat

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Presentation on theme: "States of Matter Phase Changes Gas Laws Heat Transfer Specific Heat"— Presentation transcript:

1 States of Matter Phase Changes Gas Laws Heat Transfer Specific Heat
Unit 1 Test States of Matter Phase Changes Gas Laws Heat Transfer Specific Heat

2 States of Matter Know spacing, motion, energy, space & volume
This Photo by Unknown Author is licensed under CC BY-SA-NC

3 States of Matter What type of arrangement and movement do particles in a liquid display? A. Particles are closely packed together and they vibrate back and forth B. Particles are not in contact with each other and they move very quickly C. Particles are in contact with each other, but they are able to slip past one another

4 States of Matter What type of arrangement and movement do particles in a liquid display? A. Particles are closely packed together and they vibrate back and forth B. Particles are not in contact with each other and they move very quickly C. Particles are in contact with each other, but they are able to slip past one another

5 States of Matter & Phase Changes
Mercury melts at oC and boils at oC. What is the freezing point of mercury? A oC B. 0oC C. 100oC D oC

6 States of Matter & Phase Changes
Mercury melts at oC and boils at oC. What is the freezing point of mercury? A oC B. 0oC C. 100oC D oC

7 States of Matter & Phase Changes
Which describes a change from gas to a liquid? A. Boiling B. Condensing C. Freezing D. Sublimation

8 States of Matter & Phase Changes
Which describes a change from gas to a liquid? A. Boiling B. Condensing C. Freezing D. Sublimation

9 States of Matter & Phase Changes
In which form of water will the particles move the most slowly? A. Ice B. Liquid water C. Water vapor D. Steam

10 States of Matter & Phase Changes
In which form of water will the particles move the most slowly? A. Ice B. Liquid water C. Water vapor D. Steam

11 Phase Changes Know the phase changes and whether they take or release energy This Photo by Unknown Author is licensed under CC BY-SA

12 Heating Curves & Phase Diagrams
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13 Gas Laws – Temperature, Pressure, & Volume
This Photo by Unknown Author is licensed under CC BY-SA-NC This Photo by Unknown Author is licensed under CC BY-SA-NC This Photo by Unknown Author is licensed under CC BY-SA This Photo by Unknown Author is licensed under CC BY

14 Gas Laws – Temperature, Pressure & Volume

15 Heat Transfer This Photo by Unknown Author is licensed under CC BY-SA

16 Thermal Energy vs Temperature
Thermal energy is TOTAL kinetic energy – that means it’s both temperature & mass Temperature is AVERAGE kinetic energy – that means it’s just temperature Two items of the same mass can have different thermal energy if their temperatures are different A smaller object can have a higher temperature but lower thermal energy if it has less mass (cup of coffee vs an iceberg)

17 Heat Transfer – Conduction, Convection, Radiation
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18 Heat Transfer: Conductors & Insulators
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19 Heat Transfer Earth receives energy from the sun by A. Convection
B. Conduction C. Radiation D. Temperature

20 Heat Transfer Earth receives energy from the sun by A. Convection
B. Conduction C. Radiation D. Temperature

21 Heat Transfer You have 4 containers of water. The water in each is the same temperature. Which has the greatest thermal energy? A. 5 mL B. 10 mL C. 15 mL D. 50 mL

22 Heat Transfer You have 4 containers of water. The water in each is the same temperature. Which has the greatest thermal energy? A. 5 mL B. 10 mL C. 15 mL D. 50 mL

23 Heat Transfer The illustration shows the movement of thermal energy from a hot liquid to a metal spoon. What method of heat transfer is occurring? A. Conduction B. Convection C. Radiation D. Temperature

24 Heat Transfer The illustration shows the movement of thermal energy from a hot liquid to a metal spoon. What method of heat transfer is occurring? A. Conduction B. Convection C. Radiation D. Temperature

25 Heat Transfer In gases, heat transfer often occurs by A. Conduction
B. Convection C. Radiation D. Thermal energy

26 Heat Transfer In gases, heat transfer often occurs by A. Conduction
B. Convection C. Radiation D. Thermal energy

27 Specific Heat Formula Q = Heat in joules (sometimes calories or kilojoules) M = Mass in grams (sometimes kilograms) C = Specific Heat Capacity in J/goC (sometimes joules or kilojoules per kilogramOC) T = Temperature Change in OC


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