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Fe reacts

Benzocyclobutenedione 57 is transformed to the phthaloylmetal complex 58 by treatment with Fe(CO)5, RhCl(PPh3)3, and CoCl(PPh3)3. The phthaloyliron complex 58 (M=Fe) reacts with alkynes, and subsequent acidification under air then gives the naphthoquinone 59. The cyclization of the phthaloyl-cobalt 58 (M=Co) with alkynes requires AgBF4-activation [32]. (Scheme 22)... [Pg.116]

These pathways are thought to result in the production of superoxide (13) or in the release of superoxide directly from the particles themselves. Superoxide production leads to the formation of hydrogen peroxide, and metal ions such as Fe + react with hydrogen peroxide to produce the hydroxyl radical. It is well documented that the hydroxyl radical can damage DNA as well as lipids and proteins (18, 19). Some of the health effects of cigarette tar and smoke are attributed to free radicals that can initiate production of superoxide and hydroxyl radical (3, 10, 11, 20, 21). (Adapted from Dellinger et al., 2001)... [Pg.220]

The ferrous ion, Fe %,), reacts with the permanganate ion, Mn04 in an acidic solution to produce the ferric ion, Fe " (a,). A 6.893-gram sample of ore was mechanically crushed and then treated with concentrated hydrochloric acid, which oxidized all of the iron in the ore to the ferrous ion, Fe %,). Next, the acid solution containing all of the ferrous ions was titrated with 0.100 M KNO4 solution. The end point was reached when 13.889 mL of the potassium permanganate solution was used. [Pg.211]

When a gas reacts with a solid, the most common situation is that a new compound is formed and that the crystal structure of the solid is destroyed, Fe reacts with H2S to form FeS, A1 reacts with O2 to form AI2O3 etc. [Pg.35]

Fe Reacts readily with dilute acid solution to give Fe2 + (aq)... [Pg.143]

Zn is attacked very rapidly and so is Cu. Fe reacts in the presence of moisture, with the formation of ammonia (Ref 122a). According to Kast (Ref 31), the presence of KMnO< may cause the spontaneous ignition of AN. In- vestigations conducted at Pic Arsn (Ref 88) showed that different Cr compounds catalyze... [Pg.318]

Chemical reactions rearrange the elements in the reactants to form different groupings of those same elements in the new products. The products of a chemical reaction can be any combination of compounds, molecules, or elements. For example, when iron (Fe) reacts with the oxygen (02) in the air to form rust (Fe203), the two elements that are the reactants form one new compound that includes both elements ... [Pg.22]

Sodium borohydride is one of the weakest hydride donors available. The feet that it can be used in water is evidence of this as more powerful hydride donors such as lithium aluminium hydride, LiAlI-fe, react violently with water. Sodium borohydride reacts with both aldehydes and ketones, though the reaction with ketones is slower for example, benzaldehyde is reduced about 400 times faster than acetophenone in isopropanol. [Pg.141]

Under carefully controlled heating, oxalates can be decomposed to carbonates by loss of carbon monoxide. FeO also results when Fe reacts with CO2 at high temperature ... [Pg.428]

Iron, Fe Reacts with nitroarenes in the presence of aqueous acid to yield anilines (Section 24.6). [Pg.873]

Uri (7) has previously noted that Fe reacts with peroxides ... [Pg.535]

Ferrous ion (Fe +) reacts with hexavalent chromium, reducing the chromium to a trivalent state and oxidizing the ferrous ion to the ferric state. The reaction occurs as follows ... [Pg.485]

Operated properly, F-T catalysts in slurry reactors undergo only modest deactivation. The modest deactivation seen in these runs may be due to sintering or conversion of aetive carbons or carbides to less active forms, but further TEM and XRD will be needed to verify particle size growth and possible phase changes. Catalysts that are known to deactivate more quickly (1% Cu/Fe reacted at 270°C, Fig. 5, or Fe reacted at 215°C in Fig. 3) have carbides which react with H2 at higher temperatures than catalysts that are known to deactivate more slowly (1% Cu/Fe reacted at 215°C, Fig. 5 and Fig. 3)... [Pg.515]

MeCN)4 Fe,, reacts with c-PhCH=CHPh (52% efficiency) to give two... [Pg.158]

Processes such as this one maintain detectable concentrations of Fe in many soil solutions despite the presence of dissolved O2. Commonly, though, Fe reacts faster with oxygen when these humics are present than when they are not, that is. [Pg.262]

In a dilute nitric acid solution, Fe " reacts with thiocyanate ion (SCN ) to form a dark-red complex ... [Pg.896]

To get an equation for an overall reaction with a positive potential from two half-reactions, reverse the half-reaction from the table with the smaller (or more negative) potential before adding the half-reactions. That is, reverse the equation lower in the table. In a table of reduction potentials listed in order of decreasing potentials, the reactants in a higher equation react spontaneously with the products in any equation below. For example, F2 reacts spontaneously with Na. Also, Fe + reacts spontaneously with Cu when the species are at unit activity. [Pg.133]

Both Mn and Fe " react rapidly with anions formed during decomposition. Equilibrium calculations and direct measurement of solid-phase sulfides indicate that away from oxidized portions of sediment, Fe ... [Pg.406]

Keep track of millimoles and the ratio in which things react. One millimole Fe- " reacts with 7 mmol Mn04. ... [Pg.421]

The identification of the residue(s) responsible for the binding of the substrate-iron is a critical step towards understanding the enzymatic mechanism of ferrochelatase. Using Mossbauer spectroscopy of Fe-reacted recombinant murine ferrochelatase. [Pg.42]


See other pages where Fe reacts is mentioned: [Pg.280]    [Pg.541]    [Pg.380]    [Pg.102]    [Pg.43]    [Pg.124]    [Pg.482]    [Pg.488]    [Pg.93]    [Pg.237]    [Pg.254]    [Pg.225]    [Pg.138]    [Pg.291]    [Pg.184]    [Pg.184]    [Pg.63]    [Pg.99]    [Pg.458]    [Pg.72]    [Pg.136]    [Pg.171]    [Pg.171]    [Pg.419]    [Pg.421]    [Pg.84]   
See also in sourсe #XX -- [ Pg.482 ]




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