Nitrogenase N 2 + 8H + + 8e - + 16 ATP 2NH 3 +H 2 + 16 ADP + 16 Pi

Nov 19, 2014

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Solar Energy. H 2. Bidirectional hydrogenase: 2H + + 2e - H 2. H 2. cyanobacteria. O 2. Fuel Cell. sunlight. electricity. H 2 O. Hydrogen Production in Cyanobacteria. Biological Catalysis. Photosynthetic cyanobacteria.

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cyanobacteria
photosynthetic cyanobacteria
hydrogen production
hydrogen metabolism
enzymes directly involved
bidirectional hydrogenase 2h 2e

wynter-barton

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Nitrogenase N 2 + 8H + + 8e - + 16 ATP 2NH 3 +H 2 + 16 ADP + 16 Pi

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Solar Energy H2 Bidirectional hydrogenase: 2H+ + 2e- H2 H2 cyanobacteria O2 Fuel Cell sunlight electricity H2O Hydrogen Production in Cyanobacteria Biological Catalysis Photosynthetic cyanobacteria Enzymes directly involved in hydrogen metabolism in cyanobacteria Nitrogenase N2 + 8H+ + 8e- + 16 ATP 2NH3 +H2 + 16 ADP + 16 Pi

energy (electricity) + 2 H 2 O – O 2 + 2 H 2

energy (electricity) + 2 H 2 O – O 2 + 2 H 2. >. H 2 O – H + + OH -. >. H + + e - – H. >. H + H – H 2. >. 4OH - – O 2 + 2 H 2 O + 4e -. >.

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CARBOHYDRATES: C n (H 2 O) m

1. Szénhidrátok - Carbohydrates A szacharidok – Saccharides A szőlőcukor – Glukose Ezüsttükör próba – (Tollens reaction) 2. Redoxi reakciók (Redoxi reactions) Al + I 2 , Daniell elem. CARBOHYDRATES: C n (H 2 O) m.

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h L ,2 = K 2 Q n

Example. For pump characterized on previous slide, is cavitation a concern if a flow of 3500 gpm of 80 o F water is required, and the pump suction is 12 ft above the source reservoir? Headloss in the inlet pipe is given by h L ≈6x10 - 7 Q 2 , with h L in ft and Q in gpm .

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Thermal degradation of coordination polymer [ Cd( N - Boc - gly ) 2 (H 2 O) 2 ] n

Thermal degradation of coordination polymer [ Cd( N - Boc - gly ) 2 (H 2 O) 2 ] n. Maja Šumar-Ristović a , K atarina Anđelković a , Dejan Poleti b , Dragica M. Minić c a Faculty of Chemistry, University of Belgrade , Serbia

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Anneal in H 2 :N 2

EPR detected passivation of the Mg acceptor Mary Ellen Zvanut , University of Alabama at Birmingham, DMR 1006163. The addition of Mg to GaN creates a p-type semiconductor typically used in blue and white-light LED’s. . Passivation of Mg acceptor. Anneal in H 2 :N 2. N. N. H. Mg. H.

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H 2

Biomimetic Fabrication and Catalytic Application of Pd Nanoparticle Networks 1 Marc R. Knecht, University of Miami, DMR 1145175.

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Nitrogen (N 2 )

Nitrogen (N 2 ). Nitrogen Advantages. Results under normal atmosphere. Results under nitrogen atmosphere. Source: FhG ISIT. = Filter. F. Cooling and filter untis for Process Atmosphere Cleaning. Process Atmosphere Cleaning. Tunnel Temperature Compensation. 0.40 cbm/h.

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Chapter 23: Carbohydrates hydrates of carbon: general formula C n (H 2 O) n

Chapter 23: Carbohydrates hydrates of carbon: general formula C n (H 2 O) n Plants: photosynthesis 6 CO 2 + 6 H 2 O C 6 H 12 O 6 + 6 O 2 Polymers: large molecules made up of repeating smaller units (monomer) Biopolymers: Monomer units:

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M.Tokitani 2) , H. Iwakiri 1) , N. Yoshida 1) , S. Masuzaki 2) , N. Ashikawa 2)

Changes of Deuterium Retention Properties on Metals due to the Helium Irradiation or Impurity Deposition. M.Tokitani 2) , H. Iwakiri 1) , N. Yoshida 1) , S. Masuzaki 2) , N. Ashikawa 2) 1) Kyushu University 2) National Insititute for Fusion Science. I‐loop formation. He ion, atom.

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C n H m + (n+ )O 2(g) n CO 2(g) + H 2 O (g)

Fig. 3.4. m 2. m 2. C n H m + (n+ )O 2(g) n CO 2(g) + H 2 O (g). Ascorbic acid ( Vitamin C ) - I contains only C , H , and O. Upon combustion in excess oxygen, a 6.49 mg sample yielded 9.74 mg CO 2 and 2.64 mg H 2 O. Calculate its Empirical formula! C: H:

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- H 2

Novel metal hydrides by high pressure synthesis Ulrich Häussermann, Arizona State University, DMR 0638826.

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IR and Raman spectra of N 2 H 2

IR and Raman spectra of N 2 H 2. Consider the cis, trans and iso conformers; use the correct symmetry for each conformer B3LYP/6-31G(d) Use MP2/cc-pVDZ for SP on optimized conformers

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H 2 » H

Molecule or Atom?. H 2 » H. The Central Molecular Zone. H 2. H. H +. CMZ. Scoville and Sanders 1987. The great ocean of truth lay all undiscovered before us. Distribution of YSOs near the Galactic center. Takeshi Oka. DIB meeting, November 22, 2008.

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E LEMENTARY P ROCESSES , T HERMODYNAMICS AND T RANSPORT OF H 2 , O 2 AND N 2 P LASMAS

E LEMENTARY P ROCESSES , T HERMODYNAMICS AND T RANSPORT OF H 2 , O 2 AND N 2 P LASMAS. COLLABORATORs. OUTLINE. a) photodissociation of H 2 (  ), D 2 (  ), HD(  ) and H 2 + (  ) b) heavy particle collision cross sections : H 2 (  ), D 2 (  ) from recombination

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H 2

Nano-fibrillar Ceramics by Gas Phase Reduction S. Akbar, Ohio State University; K. Sandhage, Georgia Institute of Technology DMR- 0309558.

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H 2

-. H. H. H 2. H 2. e -. -. -. 10 -6. T = 10 -15 – 10 -13 s. e - + H 2 → H 2 - → e - + H 2. H - + H → H 2 - → H - + H. e - + H 2 (v) → H 2 - → e - + H 2 (v’) (VE). e - + H 2 → H 2 - → H - + H (DA).

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2 H 2 + O 2 → 2 H 2 O

2 H 2 + O 2 → 2 H 2 O. +. Identify the factors that could affect the rate of a chemical reaction. Use the Collision Theory to explain the factors influencing the rate of a reaction. Explain the effect these factors have on the shape of a kinetic energy distribution curve.

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Chapter 23: Carbohydrates hydrates of carbon: general formula C n (H 2 O) n

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ALKANES (C n H 2n+2 )

H. H. c. H. H. H. H. c. c. H. H. H. H. H. H. c. c. c. H. H. H. ALKANES (C n H 2n+2 ). THE INTER CARBON BONDS ARE ALL SINGLE. COMPOSED OF HYDROGEN AND CARBON (HYDROCARBON). DEFINED BY THE EQUATION C n H 2n+2 NONPOLAR AND INSOLLUBLE IN WATER. REACTIONS ARE VERY SLOW.

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