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Nobel Laureates in Chemistry

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Presentation on theme: "Nobel Laureates in Chemistry"— Presentation transcript:

1 Nobel Laureates in Chemistry
Amr Tawfik, Mosatafa Hawary 4th year, 2nd year, Faculty of Pharmacy Alexandria University Noble Laureates In Chemistry – Amr Tawik & Moustafa Hawary

2 Nobel laureates in chemistry
Famous Nobel laureates in chemistry since 1901 Nobel laureates attended Biovision Bibliotheca Alexandrina An Egyptian Nobel laureates Gerhard Ertl: Modern surface chemistry

3 Jacobus van 't Hoff 1901 in recognition of the extraordinary services he has rendered by the discovery of the laws of chemical dynamics and osmotic pressure in solutions

4 August Arrhenius 1903 in recognition of the extraordinary services he has rendered to the advancement of chemistry by his electrolytic theory of dissociation

5 Ernest Rutherford 1908 alpha, beta, and gamma rays
He demonstrated radioactivity and the spontaneous disintegration of atoms the first person to artificially disintegrate an element

6 Marie Curie 1911 Marie Curie pioneered radioactivity research.
Only person to win the award in two different sciences. The first woman to win a Nobel Prize. Marie Curie was the first female professor at the Sorbonne.

7 Walther Nernst 1920 in recognition of his work in thermo chemistry

8 Hans Fischer 1930 constitution of haemin and chlorophyll and especially for his synthesis of haemin

9 Sir Robert Robinson 1947 for his investigations on plant products of biological importance, especially the alkaloids

10 Gerhard Herzberg 1971 for his contributions to the knowledge of electronic structure and geometry of molecules, particularly free radicals.

11 Jean Marie Lean 1987 With Donald J.Cram and Charles J.Pedersen
for their development and use of molecules with structure-specific interactions of high selectivity.

12 F. Sherwood Rowland 1995 Paul J. Crutzen and Mario J. Molina
for their work in atmospheric chemistry, particularly concerning the formation and decomposition of ozone

13 Ryoji Noyori 2001 With William S. Knowles and K. Barry Sharpless
for their work on chirally catalysed hydrogenation reactions

14 Peter Agre 2003 With Roderick MacKinnon
for discoveries concerning channels in cell membranes for the discovery of water channels"

15 Ahmed H. Zewail 1999 for his studies of the transition states of chemical reactions using femtosecond spectroscopy

16 The King of Femtoland

17 Ahmed H. Zewail Ahmed Zewail receiving his Nobel Prize from His Majesty the King at the Stockholm Concert Hall 1999.

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19 VOYAGE THROUGH TIME Walks of Life to the Nobel Prize
Ahmed H. Zewail Zewail is the first scientist from the Arab world to ever receive the Nobel Prize, and the only living scientist from the entire Islamic World of more than one billion people so honored VOYAGE THROUGH TIME Walks of Life to the Nobel Prize

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21 Gerhard Ertl 2007 for his studies of chemical processes on solid surfaces

22 Gerhard Ertl his 71st birthday a gold medal a diploma
10 million Swedish kronor

23 catalytic cleaning carbon monoxide oxidates on platinum
electronics industry to manufacture semiconductor materials for components Freons reduce the ozone layer by reacting on the surfaces of small ice crystals, artificial fertilizers contain ammonia which is produced when nitrogen and hydrogen react on an iron surface rusting takes place when an iron surface is exposed to oxygen renewable fuels can be produced using catalytic surfaces

24 The emergence of modern surface chemistry
The first to understand the potential of new technology Methodological foundations for an entire field of research High vacuum system and use of different technologies

25 Modern surface chemistry
Behavior of hydrogen on metal surfaces - Produced in solar cells -catalysis Nitrogen becomes an artificial fertilizer - Haber-Bosch process

26 The Haber-Bosch process step-by-step

27 Surface measurement difficulties
Distinguish atomic/ molecular nitrogen Spectroscopic methods Photons or free electrons - type of atoms chemical environment Structure of the surface

28 Nitrogen split takes longest
Adding potassium Nitrogen split ammonia formation

29 Modern surface chemistry
Method and values of rates and activation energies for each step of the reaction Exhaust cleaning oxidation of Co on platinum

30 Amr Tawfik Mostafa Hawary References:- Presented by:-
Presented by:- Amr Tawfik Mostafa Hawary

31 THANKS


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