The equivalent weight of Fe3O4 in the reaction, would be : Fe3O4 + KMnO4→Fe2O3 + MnO2. The vapour pressure of benzene at a certain temperature is 640 mm of Hg. Question bank for Chemistry. Epoxy resin (epoxide equivalent weight (EEW): 174 g/eq, viscosity: 40–100 poise and density: 1.169 g/mL at 25 °C) and Triethylenetetramine (TETA) as curing agent were purchased from Sigma Aldrich (Italy). Fe2O3 -> Fe3O4 ,In this reaction what is the equivalent weight of Fe2O3 ? 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. The difference between Fe 2 O 3 and Fe 3 O 4 can be discussed in terms of their chemical as well as physical properties and usage. Answers : (5) Khimraj. FeO = 1 atom iron(Fe), 1 atom oxygen(O). 3 – 8/3 = 1/3 That is 1/3 mole of electron of electrons transferred. ››More information on molar mass and molecular weight. Therefore, the equivalent weight of iron in Fe 2 O 3 is 55.8 / 3 = 18.6. Asked by mehsaan hussaini | 31st Jan, 2012, 11:48: PM. The nanofluid was prepared by synthesizing Fe 3 O 4 nanoparticles using the chemical precipitation method, and then dispersed in distilled water using a sonicator. N-factor for ions in redox reactions = no. Apart from being the largest Chemistry community, EduRev has the largest solved By continuing, I agree that I am at least 13 years old and have read and Triethylenetetramine (TETA) was provided by Sigma Aldrich (Italy) and employed as crosslinking agent. Your IP: 192.99.3.125 If u have doubts then please clearify. This discussion on The equivalent weight of Fe3O4 in the reaction Fe3O4 + KMnO4 Fe2O3 + MnO2 would bea)M/6b)Mc)2Md)M/3Correct answer is option 'B'. equivalent weight of iron in fe2o3 . 9 = 21.7 Answered By 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. Fe 2 O 3 vs Fe 3 O 4. 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). is done on EduRev Study Group by Chemistry Students. EduRev is a knowledge-sharing community that depends on everyone being able to pitch in when they know something. Explanation of how to find the molecular weight of Fe2O3 (Mg Nitrate). The equivalent weight of Fe3O4 in the reaction Fe3O4 + KMnO4 Fe2O3 + MnO2 would bea)M/6b)Mc)2Md)M/3Correct answer is option 'B'. The two methods are shown to be equivalent if electronic correlation is neglected. ChemiDay you always could choose go nuts or keep calm with us or without. The more reduced Fe3O4 precursor enabled nitride formation at lower temperatures than the previously reported equivalent reaction with Fe2O3. Take the ideal ratio of Fe/ Fe2O3 . community of Chemistry. High–surface area and monodisperse magnetite (Fe3O4) nanocrystals (NCs) were shown to respond to low fields in a size-dependent fashion. Gram equivalent weight of feso4. 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. 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). Raw BN and as-prepared BNNP/Fe 3 O 4 according to filler weight fraction (0, 5, 10, 15, 20%) were dispersed in acetone and bath-sonicated for 10 min. A non-volatile and non-electrolyte solid weighing 2.175 g is added to 39.08 of benzene. Сoding to search: Fe3O4 + 4 CO cnd [ temp ] = 3 Fe + 4 CO2. Q. I am a post-graduate student doing research in converting iron oxide Fe 3 O 4 (magnetite) into Fe 2 O 3 (hematite). • Mass of iron (Fe) in the molecule = 56 u. LC50: Not available. Can you explain this answer? If the answer is not available please wait for a while and a community member will probably answer this Cloudflare Ray ID: 61ea2da6c8c38125 Both experiments were conducted in the volume … Performance & security by Cloudflare, Please complete the security check to access. A non-volatile and non-electrolyte solid weighing 2.175 g is added to 39.08 of benzene. Molar mass of Fe3O4 is 231.5326 g/mol Compound name is iron(ii,iii) oxide Convert between Fe3O4 weight and moles The product phase assemblage, characterized by X-ray diffraction, thermogravimetric analysis, and 57Fe Mössbauer spectroscopy, comprised 49–59 mol % ε-Fe2+xN, accompanied by 29–39 mol % FeO1–xNx and 8–14 mol % γ″-FeN. 4. If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. So equivalent weight of Fe3O4 is equal to the molar mass value. You may need to download version 2.0 now from the Chrome Web Store. Fe 3 O 4 magnetic nanoparticles (MNPs) with … then equivalent weight of F e 3 O 4 = 3 1 8. 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. Molar mass of Fe3O4 = 231.5326 g/mol This compound is also known as Iron(II, III) Oxide.. equivalent weight is 278.0157 / 2 = 139.008 g. 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. Note that rounding errors may occur, so always check the results. 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 . Please register to post comments. And valency of Fe in Fe3O4 is 4 and 2 as it is mixture of FeO2 and 2 FeO.Hope it clears. The SI base unit for amount of substance is the mole. 2) need to convert ... Ummm actually both of you are wrong because one of you wrote 4CO is equivalent to 4CO2 which is obviously wrong. The vapour pressure of benzene at a certain temperature is 640 mm of Hg. Easily. of electrons lost per molecule = 1 (Fe2+ oxidises to Fe3+) Molar mass of FeSO4. Both of these minerals are naturally occurring iron oxides. ››Fe3O4 molecular weight. molecular weight of Fe3O4 or mol This compound is also known as Iron(II, III) Oxide. So calculate the molecular/ atomic weights depending on whether to convert to FeO or Fe. Can you explain this answer? 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. Beta cyclodextrin and [3-(2,3-epoxypropoxy)propyl]trimethoxysilane (EPO, … And many other compounds. 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. Means change in oxidation state is by 1. molar mass so Equivalent weight of Fe3O4 =- - = molar mass value. About | Feedback and … The equivalent weight of Fe3O4 in the reaction Fe3O4 + KMnO4 Fe2O3 + MnO2 would bea)M/6b)Mc)2Md)M/3Correct answer is option 'B'. Can you explain this answer? Note that rounding errors may occur, so always check the results. The SI base unit for amount of substance is the mole. Expert Answer: The oxidation state (or valency) of Fe in Fe 2 O 3 is +3.It means that 3 mole of electron is reuqired to reduce Fe 3+ to Fe. Fe3O4 + 4CO → 3Fe + 4CO2 . This work seeks to answer the question whether or not the presence of acid functional groups accelerate epoxy-amine curing reaction. agree to the. Section 3: Hazards Identification Potential Acute Health Effects: Please enable Cookies and reload the page. a-Fe2O3 is pretty much red in color, much more so than g-Fe2O3. In this study, D3415 bifunctional DGEBA-based epoxy from Sigma-Aldrich Co., USA with an epoxide equivalent weight of 170 g equiv −1 was used as thermosetting resin. 3007 Points. FeS2-----> Fe2O3+ SO2 E.W of FeS2. Triethylenetetramine (TETA) was provided by Sigma Aldrich (Italy) and employed as crosslinking agent. 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. 1mol Fe3O4 reacts with 4mol CO to ... (weight of Fe in grams/ mole) = grams of Fe. Pure Fe3O4 is almost black in color and is significantly darker than g-Fe2O3, which has a slightly redish tint compared to Fe3O4. FeO = 1 atom iron(Fe), 1 atom oxygen(O). In view of the coronavirus pandemic, we are making LIVE CLASSES and VIDEO CLASSES completely FREE to prevent interruption in studies Easily. over here on EduRev! (NH4)2SO4 = 252 Equivalent mass = Molar mass/n factor=252/1 The polymer composites were prepared on the basis of 3 g per batch, and the DGEBA-epoxy-resin-to-DDM ratio was 2.5. You can study other questions, MCQs, videos and tests for Chemistry on EduRev and even discuss your questions like Mass of iron (Fe) in the molecule = 56 u. Fe3O4 + 6CO ––––> 3Fe + 5CO2. Can you explain this answer? 6 + 2 7. Experimental investigations and theoretical determination of effective thermal conductivity and viscosity of magnetic Fe 3 O 4 /water nanofluid are reported in this paper. The oxidation state of Fe in Fe²O³ is +3. FeSO4 would react with 2 moles of electrons, so the. molecular weight of Fe3O4 or grams This compound is also known as Iron(II, III) Oxide. In view of the coronavirus pandemic, we are making LIVE CLASSES and VIDEO CLASSES completely FREE to prevent interruption in studies Add / Edited: 18.04.2015 / Evaluation of information: 5.0 out of 5 / number of votes: 1. Another way to prevent getting this page in the future is to use Privacy Pass. 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)? If the vapour pressure of the solution is 600 mm of Hg, what is the molecular weight of solid substance ? molecular weight = 278.0157 g/mol. Convert grams Fe3O4 to moles or moles Fe3O4 to grams. • Answers of The equivalent weight of Fe3O4 in the reaction Fe3O4 + KMnO4 Fe2O3 + MnO2 would bea)M/6b)Mc)2Md)M/3Correct answer is option 'B'. First we need to understand the meaning of the word “equivalent”. A commercial method of manufacturing hydrogen involves the reaction of iron and steam. Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. 6 + 1 8. 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. In this equivalent weight of Fe is 56/ (8/3) = 21. And if u like my answer then please approve answer. If the vapour pressure of the solution is 600 mm of Hg, what is the molecular weight of solid substance ? Thanks for the A2A. are solved by group of students and teacher of Chemistry, which is also the largest student 3 years ago. Test: Mole Concept, Volumetric & Redox- 2, Equivalent Weight - MCQ(Solved), Chemistry (IIT-JEE and AIPMT). Correct answer is option 'B'. 778 USER ATTEMPTS • 4 12% GOT IT RIGHT Revise Concept. 1 grams Fe3O4 is equal to 0.0043190462163859 mole. (nh4)2so4 2 See answers Answers pratyush0110 Beginner; No. the correct balanced formula is. Molecular mass of FeO = Fe + O = 56 + 16 = 72 u. Physics,kinematics.please explain the answer of question. According to Wikipedia: > The equivalent weight of an element is the gram atomic weight divided by its valence. (C) If 14.8g H2 is produced, how any grams of Fe3O4 must also be produced? Multiply the ratio with the result obtained as Fe2O3. The Questions and But, most of their properties and usages are different to each other. 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. I’ll calculate one for you, and request you to practice the other two. (B) How many grams H2O are consumed in the conversion of 63.5g Fe to Fe3)4? Molecular weight calculation: 55.845*3 + 15.9994*4 Find an answer to your question What is the equivalent weight of FeSo4, in the fol-lowing reaction? Click hereto get an answer to your question ️ Calculate the equivalent weight of Fe3O4 in the above equation: - 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 … I’ll calculate one for you, and request you to practice the other two. FeSO4 → Fe2(SO2)3,(M=molecular weight of FeSO4)(1) M/2(2) 2M… Thus E.W= M.W of oxidant or reductant/ no of electrons lost or gained. soon. 1 mole is equal to 1 moles Fe3O4, or 231.5326 grams. In the reaction 2CuSO4 + 4KI ----> 2CuI + I2 + 2K2SO4, the equivalent weight of Cu (not CuSO4) is:- A) 31.75 B) 63.5 C) 127 D) 15.88 plz provide st … 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. And many other compounds. After that, Epoxy resin was added to the solution, followed by magnetic stirring at 120 °C for 1 h to evaporate the solvent. Largest student community of Chemistry, which is also known as iron Fe... And 2 as it is mixture of FeO2 and 2 as it is mixture FeO2. Number of votes: 1 the equivalent weight of fe3o4 = 1 atom oxygen ( )... Note that rounding errors may occur, so always check the results 2.0 now from the Chrome Store... 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If the answer is not available please wait for a while and a community member will answer. Weighing 2.175 g is added to 39.08 of benzene at a certain temperature is 640 mm of Hg, is... > Fe3O4, in this equivalent weight of Fe3O4 is equal to the molar of! Also be produced the equivalent weight of fe3o4 composites were prepared on the basis of 3 g per,. To respond to low fields in a size-dependent fashion to 39.08 of at!: Hazards Identification Potential Acute Health Effects: equivalent weight of Fe3O4 = 231.5326 g/mol this compound is also as... You always could choose go nuts or keep calm with us or without was provided by Sigma (..., in this equivalent weight of F e 3 O 4 security check to access Beginner! Much more so than g-Fe2O3, which has a slightly redish tint compared to Fe3O4 of the solution is mm!
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