Name s Date_________ Hr. ____ Directions 1. Logon to explorelearning. com 2. Open “Phase Changes” gizmo Measuring Heat of Fusion: 4. Run the simulation until temperature.

 

DRAFT 1 Copyright © 2010 by ASME Proceedings of ASME 20104th International Conference on Energy Sustainability ES2010 May 17-22, 2010 Phoenix, Arizona,.

 

Imagine a beaker of ice water on the front desk. What phases of water exist in that system What phase changes are occurring Initial.

 

AP Physics Period: Materials: 1000 mL beaker Water Heater LabPro Temperature Probes 2 samples in test tubes – benzoic acid dichlorobenzene.

 

AP Physics Period: 1. What happens when a substance turns from a solid to a liquid How is the internal energy of the substance affected 2. What happens.

 

Calculate the heat lost by a 46. 34 g sample of copper cCu 0. 384 J/gєC if its temperature dropped from 56. 3єC to 23. 4єC. Calculate the mass of a sample of water if it was heated from 24. 7єC to 39. 1єC using.

 

AP Physics Period: 1. What happens when a substance turns from a solid to a liquid How is the internal energy of the substance affected 2. What happens.

 

When heat is added to a substance, does its temperature always increase What type of energy is changing during fusion For what do the molecules.

 

Heat of Fusion What happens to the heat energy of a solid as it melts Solid particles have K. E. as they _______________. As a solid melts, it absorbs.

 

Lab LAB PRACTICAL: IDENTIFYING UNKNOWN SUBSTANCES You MAY USE YOUR LAB NOTEBOOK TO ANSWER THE FOLLOWING Directions: In front of you is an unknown substance in liquid form. First, record.

 

A further more detailed example of free and fixed end reflection is shown in Figures 3 a and 3 b. In the fixed end pulse the end of the cord exerts an upward force on the rod. By Newton’s.

 

Assignment: Phase Change lab 1 Boiling Points of Water isopropanol hand-in on wed: complete a neat copy of all temperature vs time graphs you may graph.

 

Homework questions: Phase Change lab directions: Answer these Questions neatly 1. Describe the shape of the curve on your temperature vs. time graphs.

 

Questions: Phase Change lab 1 Boiling Points of Water isopropanol 1. Describe the shape of the curve on your temperature vs. time graphs. 2. What happened.

 

TAKE HOME QUIZ: CHARACTERISTIC PROPERTIES, Phase Changes STATES OF MATTER You MAY USE YOUR LAB NOTEBOOK TO ANSWER THE FOLLOWING 1. Explain the movement and speed.

 

Group 2 Group 3 Group 4 Group 5.

 

r e °C Water -Ice to Steam PartIII Temperatu r Time min.

 

International Journal of Advanced Research in Engin eering and Technology IJARET , ISSN 0976 – 6480 Print , ISSN 0976 – 6499 Online.

 

DRAFT 1 Copyright © 2010 by ASME Proceedings of ASME 20104th International Conference on Energy Sustainability ES2010 May 17-22, 2010 Phoenix, Arizona,.

 

Changing States - Matter and Energy I. Demo: Example of different states of matter. II. States of Matter i. Demo: Molecular Dynamic model of solid,.

 

1. If you increase an object’s internal energy, how can that affect the energy of the molecules inside the object 2. How do you recognize a phase change when you are cooling a substance.

 

Using the Particle Model to Explain Changes in State Phase Change 6  ” 6  ” 6  ” 6  ” 6  ”.

 

International Journal of Advanced Research in Engin eering and Technology IJARET , ISSN 0976 – 6480 Print , ISSN 0976 – 6499 Online.

 

1. If you increase an object’s internal energy, how can that affect the energy of the molecules inside the object Do phase change activity. 2. How do you recognize a phase change.

 

EMBED PBrush CHANGE OF PHASE STATE LAB PROBLEM: What type of temperature change will result from heating ice to liquid and then.

 

AP Physics Period: Materials: 1000 mL beaker Water Heater LabPro Temperature Probes 2 samples in test tubes – benzoic acid dichlorobenzene.

 

D O R U L P H W U D Q G 3 K D V H K D Q J H V D O R U L P H W U 3 K D V H K D Q J H V S S O F D O R U L P H W U W R S K D V H F K D Q J H V 2 E M H F W L Y H V D O F X O D W H W K H D P R X Q W R I K H D W U H T X L U H G I R U D S K D V H F K D Q J H L Q

 

D O R U L P H W U D Q G 3 K D V H K D Q J H V D O R U L P H W U 3 K D V H K D Q J H V S S O F D O R U L P H W U W R S K D V H F K D Q J H V 2 E M H F W L Y H V D O F X O D W H W K H D P R X Q W R I K H D W U H T X L U H G I R U D S K D V H F K D Q J H L Q

 

COMMENTS: 1. The introduction page 43 should point out that the melting and boiling points of “matter” are “characteristic properties” that identify PURE matter.

 

Heat Phase Change Calculations for Water 0 0. 0369 kJ/mol 333 J/g 6. 02 kJ/mol 2260 J/g 40. 7 kJ/mol 1. 88 J/gC0 0. 0339 kJ/mol When going these.

 

Questions: Calculate the heat absorbed or released by the following: 50. 0 grams of ice when warming from -10. 0 C to 0. 0 C Melting 50. 0 g of ice at 0. 0 C Heating 50. 0 g of water from 0. 0 C to 100. 0 C Converting 50. 0 g of water.

 

How much energy is absorbed if 55. 9 grams of ice melt at STP How much energy is absorbed if 55. 9 grams of water boil at STP 440 grams of ice are at -50. 0 0C, and are heated to 22. 0 0C. How much heat is absorbed.

 

Heat Phase Change Calculations for Water 0 0. 0369 kJ/mol 333 J/g 6. 02 kJ/mol 2260 J/g 40. 7 kJ/mol 1. 88 J/gC0 0. 0339 kJ/mol When going these.

 

Phases of Matter Notes LisaPeck matter - anything that has mass, volume, and has shape mass- the amount of matter kg org volume - the amount of space.

 

BCDEGFThe Effect Of Heat Added To Water vs. The Water!s Temperature 1. What is the temperature value for F 2. What is the temperature value for G 3. What is the phase of matter.

 

Heat Phase Change Calculations for Water 0 0. 0369 kJ/mol 333 J/g 6. 02 kJ/mol 2260 J/g 40. 7 kJ/mol 1. 88 J/gC0 0. 0339 kJ/mol When going these.

 

/ -0 1 2 34 5 6 !!! 7 8. ,. 9 2 5 ! ! , , - - , , ,. , , , - , /0 , - - - 0 , ,-, / ; / 4 / 1 2 ! 3 4 1 5 20 1 3 20 3 ! ! 3 ! ! 26 5/ 2 5/ 6 3 , , , ! , / 5 / , 7 4 34 - ! 3 ! 8 9 8. 1 4 3 9 8.

 

Student Exploration: Phase Changes Vocabulary: altitude, boil, boiling point, freeze, freezing point, gas, liquid, melt, melting.

 

In which phase s are the molecules held rigidly together In which phase s do the molecules move freely In which phase s are the molecules held in a defined.