SlideShare a Scribd company logo
The First Law of
Thermodynamics
Lesson Objectives
What is Energy?
Energy Transformation
Energy Transformation
The 1st Law of Thermodynamics
The 1st Law of Thermodynamics
The Law of Conservation of Energy
Internal energy
∆
Internal energy
∆
∆
Internal energy
Internal energy
∆ Δ
Δ Δ
heat energy
released
heat energy
absorbed
This equation supports that the
energy of the universe is constant.
∆
Internal energy
heat (q)
(+) heat is absorbed by the system
(-) heat is released by the system
work (w)
(+) work is done to the system
(-) work is done by the system
Units for Work and Energy
•
•
•
· ² ²
Units for Work and Energy
•
Solve!!
Δ
Δ
Work (w) is exerted by the system,
hence (-)
Heat (q) is absorbed by the system,
hence (+)
ΔU = q + w
Solve!!
Δ
Heat (q) is absorbed by the system,
hence (+)
ΔU = q + w
Δ
Expansion work
Δ
Expansion work
Solve!!
³
³
The unit Pa-m³ is the same as joule.
w = -PAV
SI unit for pressure SI unit for volume
Conclusion

More Related Content

Similar to general first-law-of-Thermodynamics..pptx

Thermodynamics
ThermodynamicsThermodynamics
Thermodynamics
swapnil jadhav
 
Thermodynamics
ThermodynamicsThermodynamics
Thermodynamics
sarunkumar31
 
First Law of Thermodynamics
First Law of ThermodynamicsFirst Law of Thermodynamics
First Law of Thermodynamics
Yujung Dong
 
Thermodynamics i
Thermodynamics iThermodynamics i
Introduction
IntroductionIntroduction
Introduction
Yasir Hashmi
 
ppt-4 First Law of Thermodynamics.pptx
ppt-4 First Law of Thermodynamics.pptxppt-4 First Law of Thermodynamics.pptx
ppt-4 First Law of Thermodynamics.pptx
LalithaP20
 
first-law-thermodynamics in science chemistry
first-law-thermodynamics in science chemistryfirst-law-thermodynamics in science chemistry
first-law-thermodynamics in science chemistry
ssuserd60f5c
 
Class 11 Chapter 6 Thermodynamics.pptx h
Class 11 Chapter 6 Thermodynamics.pptx hClass 11 Chapter 6 Thermodynamics.pptx h
Class 11 Chapter 6 Thermodynamics.pptx h
rahaman1992
 
class11chapter6thermodynamics-230102105503-77b13671.pdf
class11chapter6thermodynamics-230102105503-77b13671.pdfclass11chapter6thermodynamics-230102105503-77b13671.pdf
class11chapter6thermodynamics-230102105503-77b13671.pdf
lakshmijagadish1806
 
Class 11 Chapter 6 Thermodynamics.pptx
Class 11 Chapter 6 Thermodynamics.pptxClass 11 Chapter 6 Thermodynamics.pptx
Class 11 Chapter 6 Thermodynamics.pptx
SachinYadav923245
 
IB Chemistry on Energetics, Enthalpy Change and Thermodynamics
IB Chemistry on Energetics, Enthalpy Change and ThermodynamicsIB Chemistry on Energetics, Enthalpy Change and Thermodynamics
IB Chemistry on Energetics, Enthalpy Change and Thermodynamics
Lawrence kok
 
IB Chemistry on Energetics, Enthalpy Change and
IB Chemistry on Energetics, Enthalpy Change and IB Chemistry on Energetics, Enthalpy Change and
IB Chemistry on Energetics, Enthalpy Change and Lawrence kok
 
IB Chemistry on Energetics experiment and Thermodynamics
IB Chemistry on Energetics experiment and ThermodynamicsIB Chemistry on Energetics experiment and Thermodynamics
IB Chemistry on Energetics experiment and ThermodynamicsLawrence kok
 
IB Chemistry on Energetics experiment, Thermodynamics and Hess's Law
IB Chemistry on Energetics experiment, Thermodynamics and Hess's LawIB Chemistry on Energetics experiment, Thermodynamics and Hess's Law
IB Chemistry on Energetics experiment, Thermodynamics and Hess's Law
Lawrence kok
 
Che Module-1.pptx
Che Module-1.pptxChe Module-1.pptx
Che Module-1.pptx
Browny5
 
CHE 101 Thermochem.ppt
CHE 101 Thermochem.pptCHE 101 Thermochem.ppt
CHE 101 Thermochem.ppt
VictorAkinseyeOluwat
 
THERMODYANAMICS.pptx
THERMODYANAMICS.pptxTHERMODYANAMICS.pptx
THERMODYANAMICS.pptx
RIDHISAMBYAL
 
Chemical thermodynamics and electrochemistry.pdf
Chemical thermodynamics and electrochemistry.pdfChemical thermodynamics and electrochemistry.pdf
Chemical thermodynamics and electrochemistry.pdf
ssuserdeaeaf
 
Pressure volume work
Pressure volume work Pressure volume work
Pressure volume work
K. Shahzad Baig
 

Similar to general first-law-of-Thermodynamics..pptx (20)

Thermodynamics
ThermodynamicsThermodynamics
Thermodynamics
 
Thermodynamics
ThermodynamicsThermodynamics
Thermodynamics
 
First Law of Thermodynamics
First Law of ThermodynamicsFirst Law of Thermodynamics
First Law of Thermodynamics
 
Thermodynamics i
Thermodynamics iThermodynamics i
Thermodynamics i
 
Introduction
IntroductionIntroduction
Introduction
 
ppt-4 First Law of Thermodynamics.pptx
ppt-4 First Law of Thermodynamics.pptxppt-4 First Law of Thermodynamics.pptx
ppt-4 First Law of Thermodynamics.pptx
 
first-law-thermodynamics in science chemistry
first-law-thermodynamics in science chemistryfirst-law-thermodynamics in science chemistry
first-law-thermodynamics in science chemistry
 
Thermodynamics
ThermodynamicsThermodynamics
Thermodynamics
 
Class 11 Chapter 6 Thermodynamics.pptx h
Class 11 Chapter 6 Thermodynamics.pptx hClass 11 Chapter 6 Thermodynamics.pptx h
Class 11 Chapter 6 Thermodynamics.pptx h
 
class11chapter6thermodynamics-230102105503-77b13671.pdf
class11chapter6thermodynamics-230102105503-77b13671.pdfclass11chapter6thermodynamics-230102105503-77b13671.pdf
class11chapter6thermodynamics-230102105503-77b13671.pdf
 
Class 11 Chapter 6 Thermodynamics.pptx
Class 11 Chapter 6 Thermodynamics.pptxClass 11 Chapter 6 Thermodynamics.pptx
Class 11 Chapter 6 Thermodynamics.pptx
 
IB Chemistry on Energetics, Enthalpy Change and Thermodynamics
IB Chemistry on Energetics, Enthalpy Change and ThermodynamicsIB Chemistry on Energetics, Enthalpy Change and Thermodynamics
IB Chemistry on Energetics, Enthalpy Change and Thermodynamics
 
IB Chemistry on Energetics, Enthalpy Change and
IB Chemistry on Energetics, Enthalpy Change and IB Chemistry on Energetics, Enthalpy Change and
IB Chemistry on Energetics, Enthalpy Change and
 
IB Chemistry on Energetics experiment and Thermodynamics
IB Chemistry on Energetics experiment and ThermodynamicsIB Chemistry on Energetics experiment and Thermodynamics
IB Chemistry on Energetics experiment and Thermodynamics
 
IB Chemistry on Energetics experiment, Thermodynamics and Hess's Law
IB Chemistry on Energetics experiment, Thermodynamics and Hess's LawIB Chemistry on Energetics experiment, Thermodynamics and Hess's Law
IB Chemistry on Energetics experiment, Thermodynamics and Hess's Law
 
Che Module-1.pptx
Che Module-1.pptxChe Module-1.pptx
Che Module-1.pptx
 
CHE 101 Thermochem.ppt
CHE 101 Thermochem.pptCHE 101 Thermochem.ppt
CHE 101 Thermochem.ppt
 
THERMODYANAMICS.pptx
THERMODYANAMICS.pptxTHERMODYANAMICS.pptx
THERMODYANAMICS.pptx
 
Chemical thermodynamics and electrochemistry.pdf
Chemical thermodynamics and electrochemistry.pdfChemical thermodynamics and electrochemistry.pdf
Chemical thermodynamics and electrochemistry.pdf
 
Pressure volume work
Pressure volume work Pressure volume work
Pressure volume work
 

Recently uploaded

Runway Orientation Based on the Wind Rose Diagram.pptx
Runway Orientation Based on the Wind Rose Diagram.pptxRunway Orientation Based on the Wind Rose Diagram.pptx
Runway Orientation Based on the Wind Rose Diagram.pptx
SupreethSP4
 
RAT: Retrieval Augmented Thoughts Elicit Context-Aware Reasoning in Long-Hori...
RAT: Retrieval Augmented Thoughts Elicit Context-Aware Reasoning in Long-Hori...RAT: Retrieval Augmented Thoughts Elicit Context-Aware Reasoning in Long-Hori...
RAT: Retrieval Augmented Thoughts Elicit Context-Aware Reasoning in Long-Hori...
thanhdowork
 
The Benefits and Techniques of Trenchless Pipe Repair.pdf
The Benefits and Techniques of Trenchless Pipe Repair.pdfThe Benefits and Techniques of Trenchless Pipe Repair.pdf
The Benefits and Techniques of Trenchless Pipe Repair.pdf
Pipe Restoration Solutions
 
在线办理(ANU毕业证书)澳洲国立大学毕业证录取通知书一模一样
在线办理(ANU毕业证书)澳洲国立大学毕业证录取通知书一模一样在线办理(ANU毕业证书)澳洲国立大学毕业证录取通知书一模一样
在线办理(ANU毕业证书)澳洲国立大学毕业证录取通知书一模一样
obonagu
 
ethical hacking-mobile hacking methods.ppt
ethical hacking-mobile hacking methods.pptethical hacking-mobile hacking methods.ppt
ethical hacking-mobile hacking methods.ppt
Jayaprasanna4
 
Planning Of Procurement o different goods and services
Planning Of Procurement o different goods and servicesPlanning Of Procurement o different goods and services
Planning Of Procurement o different goods and services
JoytuBarua2
 
Immunizing Image Classifiers Against Localized Adversary Attacks
Immunizing Image Classifiers Against Localized Adversary AttacksImmunizing Image Classifiers Against Localized Adversary Attacks
Immunizing Image Classifiers Against Localized Adversary Attacks
gerogepatton
 
Top 10 Oil and Gas Projects in Saudi Arabia 2024.pdf
Top 10 Oil and Gas Projects in Saudi Arabia 2024.pdfTop 10 Oil and Gas Projects in Saudi Arabia 2024.pdf
Top 10 Oil and Gas Projects in Saudi Arabia 2024.pdf
Teleport Manpower Consultant
 
Student information management system project report ii.pdf
Student information management system project report ii.pdfStudent information management system project report ii.pdf
Student information management system project report ii.pdf
Kamal Acharya
 
Governing Equations for Fundamental Aerodynamics_Anderson2010.pdf
Governing Equations for Fundamental Aerodynamics_Anderson2010.pdfGoverning Equations for Fundamental Aerodynamics_Anderson2010.pdf
Governing Equations for Fundamental Aerodynamics_Anderson2010.pdf
WENKENLI1
 
MCQ Soil mechanics questions (Soil shear strength).pdf
MCQ Soil mechanics questions (Soil shear strength).pdfMCQ Soil mechanics questions (Soil shear strength).pdf
MCQ Soil mechanics questions (Soil shear strength).pdf
Osamah Alsalih
 
Sachpazis:Terzaghi Bearing Capacity Estimation in simple terms with Calculati...
Sachpazis:Terzaghi Bearing Capacity Estimation in simple terms with Calculati...Sachpazis:Terzaghi Bearing Capacity Estimation in simple terms with Calculati...
Sachpazis:Terzaghi Bearing Capacity Estimation in simple terms with Calculati...
Dr.Costas Sachpazis
 
H.Seo, ICLR 2024, MLILAB, KAIST AI.pdf
H.Seo,  ICLR 2024, MLILAB,  KAIST AI.pdfH.Seo,  ICLR 2024, MLILAB,  KAIST AI.pdf
H.Seo, ICLR 2024, MLILAB, KAIST AI.pdf
MLILAB
 
Gen AI Study Jams _ For the GDSC Leads in India.pdf
Gen AI Study Jams _ For the GDSC Leads in India.pdfGen AI Study Jams _ For the GDSC Leads in India.pdf
Gen AI Study Jams _ For the GDSC Leads in India.pdf
gdsczhcet
 
HYDROPOWER - Hydroelectric power generation
HYDROPOWER - Hydroelectric power generationHYDROPOWER - Hydroelectric power generation
HYDROPOWER - Hydroelectric power generation
Robbie Edward Sayers
 
road safety engineering r s e unit 3.pdf
road safety engineering  r s e unit 3.pdfroad safety engineering  r s e unit 3.pdf
road safety engineering r s e unit 3.pdf
VENKATESHvenky89705
 
NO1 Uk best vashikaran specialist in delhi vashikaran baba near me online vas...
NO1 Uk best vashikaran specialist in delhi vashikaran baba near me online vas...NO1 Uk best vashikaran specialist in delhi vashikaran baba near me online vas...
NO1 Uk best vashikaran specialist in delhi vashikaran baba near me online vas...
Amil Baba Dawood bangali
 
Architectural Portfolio Sean Lockwood
Architectural Portfolio Sean LockwoodArchitectural Portfolio Sean Lockwood
Architectural Portfolio Sean Lockwood
seandesed
 
ASME IX(9) 2007 Full Version .pdf
ASME IX(9)  2007 Full Version       .pdfASME IX(9)  2007 Full Version       .pdf
ASME IX(9) 2007 Full Version .pdf
AhmedHussein950959
 
power quality voltage fluctuation UNIT - I.pptx
power quality voltage fluctuation UNIT - I.pptxpower quality voltage fluctuation UNIT - I.pptx
power quality voltage fluctuation UNIT - I.pptx
ViniHema
 

Recently uploaded (20)

Runway Orientation Based on the Wind Rose Diagram.pptx
Runway Orientation Based on the Wind Rose Diagram.pptxRunway Orientation Based on the Wind Rose Diagram.pptx
Runway Orientation Based on the Wind Rose Diagram.pptx
 
RAT: Retrieval Augmented Thoughts Elicit Context-Aware Reasoning in Long-Hori...
RAT: Retrieval Augmented Thoughts Elicit Context-Aware Reasoning in Long-Hori...RAT: Retrieval Augmented Thoughts Elicit Context-Aware Reasoning in Long-Hori...
RAT: Retrieval Augmented Thoughts Elicit Context-Aware Reasoning in Long-Hori...
 
The Benefits and Techniques of Trenchless Pipe Repair.pdf
The Benefits and Techniques of Trenchless Pipe Repair.pdfThe Benefits and Techniques of Trenchless Pipe Repair.pdf
The Benefits and Techniques of Trenchless Pipe Repair.pdf
 
在线办理(ANU毕业证书)澳洲国立大学毕业证录取通知书一模一样
在线办理(ANU毕业证书)澳洲国立大学毕业证录取通知书一模一样在线办理(ANU毕业证书)澳洲国立大学毕业证录取通知书一模一样
在线办理(ANU毕业证书)澳洲国立大学毕业证录取通知书一模一样
 
ethical hacking-mobile hacking methods.ppt
ethical hacking-mobile hacking methods.pptethical hacking-mobile hacking methods.ppt
ethical hacking-mobile hacking methods.ppt
 
Planning Of Procurement o different goods and services
Planning Of Procurement o different goods and servicesPlanning Of Procurement o different goods and services
Planning Of Procurement o different goods and services
 
Immunizing Image Classifiers Against Localized Adversary Attacks
Immunizing Image Classifiers Against Localized Adversary AttacksImmunizing Image Classifiers Against Localized Adversary Attacks
Immunizing Image Classifiers Against Localized Adversary Attacks
 
Top 10 Oil and Gas Projects in Saudi Arabia 2024.pdf
Top 10 Oil and Gas Projects in Saudi Arabia 2024.pdfTop 10 Oil and Gas Projects in Saudi Arabia 2024.pdf
Top 10 Oil and Gas Projects in Saudi Arabia 2024.pdf
 
Student information management system project report ii.pdf
Student information management system project report ii.pdfStudent information management system project report ii.pdf
Student information management system project report ii.pdf
 
Governing Equations for Fundamental Aerodynamics_Anderson2010.pdf
Governing Equations for Fundamental Aerodynamics_Anderson2010.pdfGoverning Equations for Fundamental Aerodynamics_Anderson2010.pdf
Governing Equations for Fundamental Aerodynamics_Anderson2010.pdf
 
MCQ Soil mechanics questions (Soil shear strength).pdf
MCQ Soil mechanics questions (Soil shear strength).pdfMCQ Soil mechanics questions (Soil shear strength).pdf
MCQ Soil mechanics questions (Soil shear strength).pdf
 
Sachpazis:Terzaghi Bearing Capacity Estimation in simple terms with Calculati...
Sachpazis:Terzaghi Bearing Capacity Estimation in simple terms with Calculati...Sachpazis:Terzaghi Bearing Capacity Estimation in simple terms with Calculati...
Sachpazis:Terzaghi Bearing Capacity Estimation in simple terms with Calculati...
 
H.Seo, ICLR 2024, MLILAB, KAIST AI.pdf
H.Seo,  ICLR 2024, MLILAB,  KAIST AI.pdfH.Seo,  ICLR 2024, MLILAB,  KAIST AI.pdf
H.Seo, ICLR 2024, MLILAB, KAIST AI.pdf
 
Gen AI Study Jams _ For the GDSC Leads in India.pdf
Gen AI Study Jams _ For the GDSC Leads in India.pdfGen AI Study Jams _ For the GDSC Leads in India.pdf
Gen AI Study Jams _ For the GDSC Leads in India.pdf
 
HYDROPOWER - Hydroelectric power generation
HYDROPOWER - Hydroelectric power generationHYDROPOWER - Hydroelectric power generation
HYDROPOWER - Hydroelectric power generation
 
road safety engineering r s e unit 3.pdf
road safety engineering  r s e unit 3.pdfroad safety engineering  r s e unit 3.pdf
road safety engineering r s e unit 3.pdf
 
NO1 Uk best vashikaran specialist in delhi vashikaran baba near me online vas...
NO1 Uk best vashikaran specialist in delhi vashikaran baba near me online vas...NO1 Uk best vashikaran specialist in delhi vashikaran baba near me online vas...
NO1 Uk best vashikaran specialist in delhi vashikaran baba near me online vas...
 
Architectural Portfolio Sean Lockwood
Architectural Portfolio Sean LockwoodArchitectural Portfolio Sean Lockwood
Architectural Portfolio Sean Lockwood
 
ASME IX(9) 2007 Full Version .pdf
ASME IX(9)  2007 Full Version       .pdfASME IX(9)  2007 Full Version       .pdf
ASME IX(9) 2007 Full Version .pdf
 
power quality voltage fluctuation UNIT - I.pptx
power quality voltage fluctuation UNIT - I.pptxpower quality voltage fluctuation UNIT - I.pptx
power quality voltage fluctuation UNIT - I.pptx
 

general first-law-of-Thermodynamics..pptx

Editor's Notes

  1. 1.7.2013
  2. 1.7.2013
  3. 1.7.2013
  4. 1.7.2013