B. Creating a Heating Curve: Graph the heating curve of ethanol using the information given. Check off each box as you add additional information to your graph so that none is missed. Background Information on Ethanol: Boiling point = 60 °C Melting point = -105 °C Starting temperature = -120 °C 1. After two minutes, frozen cold ethanol starts to melt. It takes two minutes to melt completely. 2. After eight more minutes, it begins to boil. It boils for six minutes. 3. Heat is added for two more minutes unti! ethanol reaches 80 °C. 4. Label "Melting" where this takes place. 5. Label "Vaporization" where this takes place. 6. Label "Phase Change" where a phase change occurs. 7. Indicate where ethanol is only a SOLID, on!y a LIQUID, and only a GAS. 8. Of the three phases, label which phase has: Weakest IMF (intermolecular force), Strongest IMF, and Medium iMF.

B. Creating a Heating Curve: Graph the heating curve of ethanol using the information given. Check off each box as you add additional information to your graph so that none is missed. Background Information on Ethanol: Boiling point = 60 °C Melting point = -105 °C Starting temperature = -120 °C 1. After two minutes, frozen cold ethanol starts to melt. It takes two minutes to melt completely. 2. After eight more minutes, it begins to boil. It boils for six minutes. 3. Heat is added for two more minutes unti! ethanol reaches 80 °C. 4. Label "Melting" where this takes place. 5. Label "Vaporization" where this takes place. 6. Label "Phase Change" where a phase change occurs. 7. Indicate where ethanol is only a SOLID, on!y a LIQUID, and only a GAS. 8. Of the three phases, label which phase has: Weakest IMF (intermolecular force), Strongest IMF, and Medium iMF.

Introductory Chemistry For Today

8th Edition

ISBN:9781285644561

Author:Seager

Publisher:Seager

Chapter6: The States Of Matter

Section: Chapter Questions

Problem 6.78E

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9.81 A substance has the following properties: Hfusion = 10.0 kJ/mol Hvaporiztion = 20.0 kJ/mol Cp(solid) = 30 J/mol/K Cp(liquid) = 60 J/mol/K Cp(gas) = 30 J/mol/K Which of the four graphs below would he most consistent with these data? Explain how you are able to identify the correct graph.
If 100. J of heat energy is applied to a 25-g sample of mercury, by how many degrees will the temperature of the sample of mercury increase? (See Table 10.1.)
If 14.5 kJ of heat were added to 485 g of liquid water, how much would its temperature increase?
solution is a homogeneous mixture. Can you give an example of a gaseous homogeneous mixture? A liquid homogeneous mixture? A solid homogeneous mixture?
heat, justify (prove) your chosen phase. B. Creating a Heating Curve: Graph the heating curve of ethanol using the information given. Check off each box as you add additional information to your graph so that none is missed. Background Information on Ethanol: Boiling point = 60 °C Melting point = -105 °C Starting temperature = -120 °C 1. After two minutes, frozen cold ethanol starts to melt. !t takes two minutes to melt completely. 2. After eight more minutes, it begins to boil. It boils for six minutes. 3. Heat is added for two more minutes until ethanol reaches 80 °C. 4. Label "Melting" where this takes piace. 5. Label "Vaporization" where this takes place. 6. Label "Phase Change" where a phase change occurs. 7. Indicate where ethanol is only a SOLID, only a LIQUID, and only a GAS. 8. Of the three phases, label which phase has: Weakest IMF (intermolecular force), Strongest IMF, and Medium IMF.
Directions. Graph the heating curve of ethanol using the information given. Background Information on Ethanol: Boiling point: 60 degrees Celcius Melting point: -105 degrees Celcius Starting temperature: -120 degrees Celcius 1. After two minutes, frozen cold ethanol starts to melt. It takes two minutes to melt completely.2. After eight more minutes, it begins to boil. It boils for six minutes.3. Heat is added for two more minutes until ethanol reaches 80 degrees C.4. Label “Melting” where this takes place.5. Label “Vaporization” where this takes place.6. Label “Phase Change” where a phase change occurs.7. Indicate where ethanol is only a SOLID, only a LIQUID, and only a GAS.8. Of the three phases, label which phase has: Weakest IMF (intermolecular force), Strongest IMF, and Medium IMF.
creating a heating curve . Graph the heating curve of ethanol using the information given. Check off each box as you add aditional information to your graph so that none is missed. Background information of Ethanol, boiling point 60 °C , Melting point -105 °C and starting temperature of -120 °C. After two minutes of frozen cold ethanol starts to melt. it takes two minutes to melt completely.
B. Creating a Heating Curve: Graph the heating curve of ethanol using the information given. Check off each box as you add additional information to your graph so that none is missed. Background Information on Ethanol: Boiling point = 60 °C Melting point = -105 °C Starting temperature = -120 °C 1 After two minutes, frozen cold ethanol starts to melt. It takes two minutes to melt completely. 2. After elght more minutes, it begins to boil, It boils for six minutes. 3. Heat is added for two more minutes until ethanol reaches 80 °C. 4. Label "Melting" where this takes place. 5. Label "Vaporization" where this takes place. 6. Label "Phase Change" where a phase change occurs. 7. Indicate where ethanol is only a SOLID, only a LIQUID, and only a GAS. 8. Of the three phases, label which phase has: Weakest IMF (intermolecular force), Strongest IMF, and Medium IMF.
Graph the heating curve of ethanol using the information given. Check off each box as you add additional information to your graph so that none is missed. Background Information on Ethanol: Boiling point = 60 °C Melting point = -105 °C Starting temperature = -120 °C 1. After two minutes, frozen cold ethanol starts to melt. It takes two minutes to melt completely. 2. After eight more minutes, it begins to boil. It boils for six minutes. 3. Heat is added for two more minutes until ethanol reaches 80 °C. 4. Label "Melting" where this takes place. 5. Label "Vaporization" where this takes place. 6. Label "Phase Change" where a phase change occurs. 7. Indicate where ethanol is only a SOLID, only a LIQUID, and only a GAS. 8. Of the three phases, label which phase has: Weakest IMF (intermolecular force), Strongest IMF, and Medium IMF.
4. Sketch a heating curve of water from solid ice to steam. Please don't use the curve generated by the simulation. You can use a piece of paper and pencil for sketching. Label both axes, start with a random negative temperature in °C and end with a random temperature above 100 °c. Label the physical state of each of the five sections of the heating curve. Label the melting point and boiling point of water. Once you are done sketching, take a picture of it, upload the picture to Canvas when you take the online quiz.
Direction: Graph the heating curve of ethanol using the information given. Check off cach item as you add additional information to your graph so that none is missed. Background information of Ethanol: Boiling Point = 78 °C Melting Point --114 °C Starting Temperature - -120 °C 1. After two minutes, frozen cold ethanol starts to melt. It takes two minutes to melt completely. 2. After eight more minutes, it begins to boil. It boils for six minutes. 3. Heat is added for two more minutes until ethanol reaches 80 °C. 4. Label "melting" where this takes place. 5. Label "vaporization" where this takes place. 6. Label "phase change" where a phase change occurs. 7. Indicate where ethanol is only a SOLID, only a LIQUID, and only a GAS. 8. Of the three phases, label which phase has: weakest IMF, strongest IMF, and medium IMF. Heating Curve of Ethanol 70 50 40 30 20 10 -20 -10 40 -50 -70 90 100 110 120 01 2 3 4567 8 9 10 11 12 13 14 15 16 17 18 19 20 Time (min) Heat is added Temperature ("C)
3. Calcium chloride is an ice-melting compound used for sidewalks and streets. Explain in scientific terms why this is good to useUsing the language of breaking and making bonds and the energy required/released when that happens , how can you describe the temperature change observed when calcium chloride is dissolved in water ?