Mass of iron (Fe) in the molecule = 56 u. community of Chemistry. 9 = 21.7 Answered By In view of the coronavirus pandemic, we are making LIVE CLASSES and VIDEO CLASSES completely FREE to prevent interruption in studies over here on EduRev! Gram equivalent weight of feso4. If the answer is not available please wait for a while and a community member will probably answer this Please register to post comments. A non-volatile and non-electrolyte solid weighing 2.175 g is added to 39.08 of benzene. (C) If 14.8g H2 is produced, how any grams of Fe3O4 must also be produced? The two methods are shown to be equivalent if electronic correlation is neglected. 1mol Fe3O4 reacts with 4mol CO to ... (weight of Fe in grams/ mole) = grams of Fe. of electrons transferred. Epoxy resin derived from Bisphenol A and epichlorohydrin with epoxide equivalent weight (EEW) of 174 g/eq, viscosity of 40–100 poise, and density of 1.169 g/mL at 25 °C was purchased from Sigma Aldrich (Italy). Epoxy resin derived from Bisphenol A and epichlorohydrin with epoxide equivalent weight (EEW) of 174 g/eq, viscosity of 40–100 poise, and density of 1.169 g/mL at 25 °C was purchased from Sigma Aldrich (Italy). Epoxy/Fe 3 O 4 nanocomposite was considered as a case, where discussions are based on chemistry, mechanism behind curing reactions and fracture behavior influenced by acid assistance to crosslinking. Physics,kinematics.please explain the answer of question. FeSO4 would react with 2 moles of electrons, so the. Multiply the ratio with the result obtained as Fe2O3. About | Feedback and … EduRev is a knowledge-sharing community that depends on everyone being able to pitch in when they know something. Diglycidyl ether of bis-phenol A, Epon-828, (DGEBA) as epoxy matrix (epoxide equivalent weight (EEW) of 185–192 g/eq) and triethylenetetramine (TETA) as curing agent (hydrogen equivalent weight (HEW) of 25 g/eq) were supplied by Hexion, Beijing (China) and used in stoichiometric amount in nanocomposite preparation. a-Fe2O3 is pretty much red in color, much more so than g-Fe2O3. You may need to download version 2.0 now from the Chrome Web Store. ChemiDay you always could choose go nuts or keep calm with us or without. Cloudflare Ray ID: 61ea2da6c8c38125 1 grams Fe3O4 is equal to 0.0043190462163859 mole. If u have doubts then please clearify. Both of these minerals are naturally occurring iron oxides. Education, Aloha, & Fun A roundtable with 60,000 topics and a seat for you topic 31918 The conversion of iron oxides--Fe3O4 to Fe2O3 2004. Beta cyclodextrin and [3-(2,3-epoxypropoxy)propyl]trimethoxysilane (EPO, … FeO = 1 atom iron(Fe), 1 atom oxygen(O). Thus E.W= M.W of oxidant or reductant/ no of electrons lost or gained. Can you explain this answer? The equivalent weight of Fe3O4 in the reaction Fe3O4 + KMnO4 Fe2O3 + MnO2 would bea)M/6b)Mc)2Md)M/3Correct answer is option 'B'. 6 + 1 8. N-factor for ions in redox reactions = no. Fe 2 O 3 vs Fe 3 O 4. The polymer composites were prepared on the basis of 3 g per batch, and the DGEBA-epoxy-resin-to-DDM ratio was 2.5. In redox reactions Eq.wt of oxidant or reductant is determined based on the no of electrons gained or lost by them during the reaction. Molecular weight calculation: 55.845*3 + 15.9994*4 FeS2-----> Fe2O3+ SO2 E.W of FeS2. 3 – 8/3 = 1/3 That is 1/3 mole of electron Crayamid 115, a liquid polyaminoamide, was used as a curing agent, supplied by Cray Valley Co., UK with a viscosity of 55,000 mPa s and an active hydrogen equivalent weight of 240 g equiv −1 . Molecular mass of FeO = Fe + O = 56 + 16 = 72 u. then equivalent weight of F e 3 O 4 = 3 1 8. The vapour pressure of benzene at a certain temperature is 640 mm of Hg. Note that rounding errors may occur, so always check the results. If the vapour pressure of the solution is 600 mm of Hg, what is the molecular weight of solid substance ? Convert grams Fe3O4 to moles or moles Fe3O4 to grams. A non-volatile and non-electrolyte solid weighing 2.175 g is added to 39.08 of benzene. In this equivalent weight of Fe is 56/ (8/3) = 21. Molar mass of Fe3O4 is 231.5326 g/mol Compound name is iron(ii,iii) oxide Convert between Fe3O4 weight and moles Asked by mehsaan hussaini | 31st Jan, 2012, 11:48: PM. In chemistry, the formula weight is a quantity computed by multiplying the atomic weight (in atomic mass units) of each element in a chemical formula by the number of atoms of that element present in the formula, then adding all … Magnetic separations at very low magnetic field gradients (<100 tesla per meter) can now be applied to diverse problems, such as point-of-use water purification and the simultaneous separation of complex mixtures. The natural form of Fe 2 O 3 is called hematite, and that of Fe 3 O 4 is called magnetite. Molecular mass of FeO = Fe + O = 56 + 16 = 72 u. 3Fe(s) + 4H2O(l) = Fe3O4(s) + 4H2(g) (A) How many grams of H2 can be produced from 42.7g Fe and an excess of H2O(g) (steam)? And many other compounds. In view of the coronavirus pandemic, we are making LIVE CLASSES and VIDEO CLASSES completely FREE to prevent interruption in studies is done on EduRev Study Group by Chemistry Students. Fe3O4 + 4CO → 3Fe + 4CO2 . Click hereto get an answer to your question ️ Calculate the equivalent weight of Fe3O4 in the above equation: - After that, Epoxy resin was added to the solution, followed by magnetic stirring at 120 °C for 1 h to evaporate the solvent. agree to the. But, most of their properties and usages are different to each other. Performance & security by Cloudflare, Please complete the security check to access. Can you explain this answer? Mass of iron (Fe) in the molecule = 56 u. • So equivalent weight of Fe3O4 is equal to the molar mass value. molecular weight = 278.0157 g/mol. Triethylenetetramine (TETA) was provided by Sigma Aldrich (Italy) and employed as crosslinking agent. 3 years ago. The SI base unit for amount of substance is the mole. Triethylenetetramine (TETA) was provided by Sigma Aldrich (Italy) and employed as crosslinking agent. • FeSO4 → Fe2(SO2)3,(M=molecular weight of FeSO4)(1) M/2(2) 2M… molecular weight of Fe3O4 or grams This compound is also known as Iron(II, III) Oxide. I want to produce Fe 3 O 4 nanoparticles in 10-15 nm size, but I don't have the equipment for vacuum condition, Ar or N 2 Flow. If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. Test: Mole Concept, Volumetric & Redox- 2, Equivalent Weight - MCQ(Solved), Chemistry (IIT-JEE and AIPMT). of electrons lost per molecule = 1 (Fe2+ oxidises to Fe3+) Molar mass of FeSO4. Fe2O3 -> Fe3O4 ,In this reaction what is the equivalent weight of Fe2O3 ? Answers : (5) Khimraj. ››Fe3O4 molecular weight. Apart from being the largest Chemistry community, EduRev has the largest solved 4. The vapour pressure of benzene at a certain temperature is 640 mm of Hg. Therefore, the equivalent weight of iron in Fe 2 O 3 is 55.8 / 3 = 18.6. the correct balanced formula is. equivalent weight of iron in fe2o3 . Can you explain this answer? Oleylamine serves as a co-surfactant with oleic acid, and is commonly used in solvothermal metal oxide nanoparticle synthesis because of its high boiling point and its ability to act as a mild reductant , .For the capped nanoparticle, it results in the presence of an amine co-adsorbate that can be detected in the XPS N 1s region as a single peak found at 399.7 eV, as shown in Fig. Chemical Formula: Fe3O4 Section 2: Data Composition Name: Magnetite Formula: Fe3O4 CAS Number: 1309-38-2 % By Weight: 100% Toxicological Data on Compositions: Magnetite LD50: Not available. F e 3 O 4 is called hematite, and the DGEBA-epoxy-resin-to-DDM ratio was 2.5 to the molar of. Ratio with the result obtained as Fe2O3 Health Effects: equivalent weight of Fe3O4 in the reaction iron... ( O ) properties and usages are different to each other NCs were... User ATTEMPTS • 4 12 % GOT it RIGHT Revise Concept natural form of Fe Fe²O³... 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