Announcements – Lecture XX I– Monday, June 24 · 2013-06-24 · 5.4 Enthalpy Changes and...

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Announcements – Lecture XX I– Monday, June 24 th Slide - 194 ...

Transcript of Announcements – Lecture XX I– Monday, June 24 · 2013-06-24 · 5.4 Enthalpy Changes and...

Page 1: Announcements – Lecture XX I– Monday, June 24 · 2013-06-24 · 5.4 Enthalpy Changes and Chemical Reactions C: Determining Enthalpy Change – Calorimetry A 0 242g0.242g sample

Announcements – Lecture XX I– Monday, June 24th

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Page 2: Announcements – Lecture XX I– Monday, June 24 · 2013-06-24 · 5.4 Enthalpy Changes and Chemical Reactions C: Determining Enthalpy Change – Calorimetry A 0 242g0.242g sample

Quiz 17 Last Name: _____________

A chunk of silver weighing 19.7 grams and originally at 97.48oC is dropped into an insulated cup containing 76 6 grams of water at dropped into an insulated cup containing 76.6 grams of water at 23.38oC. Assuming that all of the heat is transferred to the water, the final temperature of the water is

oCH t C it H O 4 184 J/ C A 0 237 J/ CHeat Capacity : H2O = 4.184 J/goC Ag = 0.237 J/goC

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Page 3: Announcements – Lecture XX I– Monday, June 24 · 2013-06-24 · 5.4 Enthalpy Changes and Chemical Reactions C: Determining Enthalpy Change – Calorimetry A 0 242g0.242g sample

5.4 Enthalpy Changes and Chemical ReactionsC: Determining Enthalpy Change – Calorimetry

A 0 242g sample of napthalene (C10H8) is burned in a bomb calorimeter A 0.242g sample of napthalene (C10H8) is burned in a bomb calorimeter containing 1025g of water. How much will the temperature rise

Heat capacity of the calorimeter = 802 J/oCHeat of combustion C10H8 = -5.15x103 kJ/molHeat of combustion C10H8 5.15x10 kJ/molHeat capacity of water = 4.184 J/g.oC

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Page 4: Announcements – Lecture XX I– Monday, June 24 · 2013-06-24 · 5.4 Enthalpy Changes and Chemical Reactions C: Determining Enthalpy Change – Calorimetry A 0 242g0.242g sample

5.5 Hess’s LawA: Hess’s Law

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5.5 Hess’s LawA: Hess’s Law

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5.6 Standard Heats of ReactionA: Standard Heat of Formation

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5.6 Standard Heats of ReactionA: Standard Heat of Formation and Hess’s Law

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5.6 Standard Heats of ReactionA: Standard Heat of Formation and Hess’s Law

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Enthalpy Calorimetry of Chemistry. Reaction Energies In our earlier discussions of calorimetry, we used physical sources of heat (hot metal slug). It.

Enthalpy Calorimetry of Chemistry. Reaction Energies In our earlier discussions of calorimetry, we used physical sources of heat (hot metal slug). It.

Enthalpy, Calorimetry, Hess's Law

Enthalpy, Calorimetry, Hess's Law

Template by Becky Afghani, 2007 Jeopardy Honors Chemistry Thermochemistry Change in Enthalpy, Calorimetry, Endothermic vs. Exothermic, Calculations, and.

Template by Becky Afghani, 2007 Jeopardy Honors Chemistry Thermochemistry Change in Enthalpy, Calorimetry, Endothermic vs. Exothermic, Calculations, and.

Title: Lesson 2 Measuring Enthalpy Changes Learning Objectives: – Understand the technique of calorimetry, including the assumptions underpinning it –

Title: Lesson 2 Measuring Enthalpy Changes Learning Objectives: – Understand the technique of calorimetry, including the assumptions underpinning it –

Lesson : Enthalpy and Calorimetry

Lesson : Enthalpy and Calorimetry

Thermochemistry Calorimetry: :Measuring Heat. Calorimetry How can you measure the change in enthalpy of a reaction?

Thermochemistry Calorimetry: :Measuring Heat. Calorimetry How can you measure the change in enthalpy of a reaction?

The Nature of Energy The First Law of Thermodynamics Enthalpy Enthalpies of Reaction Calorimetry

The Nature of Energy The First Law of Thermodynamics Enthalpy Enthalpies of Reaction Calorimetry

Plan for Fri, 17 Oct 08 Lecture –Main points of 6.1 System vs. surroundings Kinetic vs. potential energy Work vs. heat –Enthalpy and Calorimetry (6.2)

Plan for Fri, 17 Oct 08 Lecture –Main points of 6.1 System vs. surroundings Kinetic vs. potential energy Work vs. heat –Enthalpy and Calorimetry (6.2)

Slide 1 of 33 © Copyright Pearson Prentice Hall > Measuring and Expressing Enthalpy Changes Calorimetry _________________ is the precise measurement of.

Slide 1 of 33 © Copyright Pearson Prentice Hall > Measuring and Expressing Enthalpy Changes Calorimetry _________________ is the precise measurement of.

Calorimetry: Heat of Neutralisation - eDAQ · Calorimetry: Heat of Neutralisation ... The most common device for measuring the enthalpy change of a reaction, is the adiabatic bomb

Calorimetry: Heat of Neutralisation - eDAQ · Calorimetry: Heat of Neutralisation ... The most common device for measuring the enthalpy change of a reaction, is the adiabatic bomb

1011CourseOutS214 - UNSW Chemistry · Thermochemistry is also important, examining heat, enthalpy ... Calorimetry. Standard enthalpies of sublimation, fusion, vaporization. ... and

1011CourseOutS214 - UNSW Chemistry · Thermochemistry is also important, examining heat, enthalpy ... Calorimetry. Standard enthalpies of sublimation, fusion, vaporization. ... and

Department of Chemistry and Biochemistry CHM 101 - Reeves The Nature of Energy The First Law of Thermodynamics Enthalpy Enthalpies of Reaction Calorimetry.

Department of Chemistry and Biochemistry CHM 101 - Reeves The Nature of Energy The First Law of Thermodynamics Enthalpy Enthalpies of Reaction Calorimetry.

Enthalpy Changes Measuring and Expressing ∆H ☾ Calorimetry ☽

Enthalpy Changes Measuring and Expressing ∆H ☾ Calorimetry ☽

Differential Scanning Calorimetry - Sartorom Romania · 2016. 8. 23. · Differential Scanning Calorimetry (DSC) determines transition temperatures and enthalpy changes in solids

Differential Scanning Calorimetry - Sartorom Romania · 2016. 8. 23. · Differential Scanning Calorimetry (DSC) determines transition temperatures and enthalpy changes in solids

CALORIMETRY EXPERIMENT A ENTHALPY OF …jan.ucc.nau.edu/~jkn/152A-Calorimetry.pdfA-1 Revised 6/2016 CALORIMETRY – EXPERIMENT A ENTHALPY OF FORMATION OF MAGNESIUM OXIDE INTRODUCTION

CALORIMETRY EXPERIMENT A ENTHALPY OF …jan.ucc.nau.edu/~jkn/152A-Calorimetry.pdfA-1 Revised 6/2016 CALORIMETRY – EXPERIMENT A ENTHALPY OF FORMATION OF MAGNESIUM OXIDE INTRODUCTION

Measuring and Expressing Enthalpy Changes Calorimetry is ...

Measuring and Expressing Enthalpy Changes Calorimetry is ...

Chpt 6 - Thermochemistry Energy and framework (definitions) Internal energy, heat & work Enthalpy & Calorimetry Hesss Law Standard Enthalpies Applications?

Chpt 6 - Thermochemistry Energy and framework (definitions) Internal energy, heat & work Enthalpy & Calorimetry Hesss Law Standard Enthalpies Applications?

Thermochemistry and calorimetry · PDF fileheat and enthalpy changes is known as thermochemistry. ... To take a very simple example, here is the complete

Thermochemistry and calorimetry · PDF fileheat and enthalpy changes is known as thermochemistry. ... To take a very simple example, here is the complete

Hess’s Law - Ms. kropacHess’s Law may be used when the molar enthalpy may not be measured using calorimetry If 2 or more equations with known enthalpy changes can be added together

Hess’s Law - Ms. kropacHess’s Law may be used when the molar enthalpy may not be measured using calorimetry If 2 or more equations with known enthalpy changes can be added together

Enthalpy of Reaction and Calorimetry worksheet H ΔH ... an enthalpy diagram showing the enthalpy changes for a one step conversion of germanium, Ge(s), into GeO2 (s) and a two step

Enthalpy of Reaction and Calorimetry worksheet H ΔH ... an enthalpy diagram showing the enthalpy changes for a one step conversion of germanium, Ge(s), into GeO2 (s) and a two step