a. 1 decade ago. Your IP: 80.211.189.111 Calculate the heat of the reaction when a 43.20 g sample of iron is reacted. Calculate the standard enthalpy of the reaction, ΔH∘rxn, for the thermite reaction: 2Al(s)+Fe2O3(s)→2Fe(s)+Al2O3(s) Elements in their standard state have an enthalpy of formation value of zero. :). 80 Chinese Herbal Medicin... Fe(s) + 3 H2O() -> Fe(OH)3(s) + 3/2 H2(g) DrH° = +160.9 kJ/mol-rxn <... Q: 6. The standard enthalpy of formation of any element in its most stable form is zero by definition. Fe2O3 + 3CO --> 2Fe + 3CO2 What you do is you only form of turn around the 'per' equations until they upload as much as a similar simply by fact the main substantial reaction. Cloudflare Ray ID: 5f88431a2c0a0c5d 4 years ago. Q: What is the percent mass of nitrogen in HNC(NH2)2? 2 A: Acids:These are the substances that donates proton.Bases:These are the substances that accept proton... Q: What minimum mass of iron (II) nitrate must be added to 10.0 of a 0.0699 M phosphate solution in ord... Q: m.ecollege.com/course. 3 1. giallombardo. Fe2O3(s) -> 2Fe(s)+ d.h = 824.2 kj. To enable Verizon Media and our partners to process your personal data select 'I agree', or select 'Manage settings' for more information and to manage your choices. Performance & security by Cloudflare, Please complete the security check to access. [2ΔH f (Fe2O3 (s hematite))] - [4ΔH f (FeO (s)) + 1ΔH f (O2 (g))] [2(-824.25)] - [4(-271.96) + 1(0)] = -560.66 kJ-560.66 kJ (exothermic) • Information about your device and internet connection, including your IP address, Browsing and search activity while using Verizon Media websites and apps. Favorite Answer-824.2 kJ/ Mol. Calculate the heat of the reaction when a 43.20 g sample of iron is reacted. The standard enthalpy of formation of any element in its standard state is zero by definition. • CH2CH- is the conjugate base of CH2CH2. 158&HepiD= Yahoo is part of Verizon Media. Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*. Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. What is the standard enthalpy of Fe2O3? Now add the 2 delta h's-848.1 + 824.2 = -23.9 kj mol-1. The heat of formation of Fe2O3(s) is 826.0 kJ/mol. Hope this helps! 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. aideню9CIаcс The standard enthalpies of formation of Fe2O3 and Al2O3 are ΔH∘f of Fe2O3(s)=−825.5 kJ/molΔH∘f of Al2O3(s)=−1675 kJ/mol Express your answer to three significant figures and include … Another way to prevent getting this page in the future is to use Privacy Pass. Find answers to questions asked by student like you, The heat of formation of Fe2O3(s) is 826.0 kJ/mol. Answer Save. Lv 4. Find out more about how we use your information in our Privacy Policy and Cookie Policy. *Response times vary by subject and question complexity. For example, although oxygen can exist as ozone (O 3), atomic oxygen (O), and molecular oxygen (O 2), O 2 is the most stable form at 1 atm pressure and 25°C. www.youtube.com Calculate the heat of the reaction when a 43.20 g sample of iron is reacted. 1.784 × 104 kJ c. 638.9 kJ … If a mixture containing FeO and FeO3 in 2 : 1 mole ratio on oxidation is changed into 1 : 2 mole ratio, thermal energy in kcal released per mole of mixture will be : Calculate the vapor pressure of a solution made by dissolving 50.0 g CaCl2, in 500 g of water. Relevance. Median response time is 34 minutes and may be longer for new subjects. 159.7 kJ b. Determine the standard enthalpy of formation of Fe2O3(s) given the thermochemical equations below. Sett Ca... A: Given values:∆Hvap = 24.0 kJ/mol.Normal Boiling point(T1) is 45°C. Th... A: Given,Vapor pressure of pure water Po  = 47.1torr.Mass of CaCl2 (w1) = 50g.Mass of water (w2) = 500g... Q: The enthalpy of vaporization of Substance X is 24.0 kJ/mol and its normal boiling point is 45.°C. 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. I've looked on every site that I know of that may possibly contain the information about Stanard Enthalpy but I still can't find the enthapy for Fe2O3. arathald. You may need to download version 2.0 now from the Chrome Web Store. You can change your choices at any time by visiting Your Privacy Controls. A: The molar mass of N = 14 g/molThe molar mass of C = 12 g/molThe molar mass of H = 1 g/molThe molar m... Q: Label each statement as True or False 159.7 kJ b. a. 1 Answer. Click hereto get an answer to your question ️ The standard enthalpy of formation of FeO and Fe2O3 is - 65 kcal mol^-1 and - 197 kcal mol^-1 respectively. We and our partners will store and/or access information on your device through the use of cookies and similar technologies, to display personalised ads and content, for ad and content measurement, audience insights and product development. It is known that 1 kJ = 1000 J.Th... A: We are authorized to answer one question at a time, since you have not mentioned which question you ... Q: Aqueous sulfuric acıd (H, SO,) will react with solid sodium hydroxide (NaOH) to produce aqueous sodi... A: It is given that:Mass of sulfuric acid = 82 gMass of sodium hydroxide = 134 g. The heat of formation of Fe2O3(s) is 826.0 kJ/mol. 1.784 × 104 kJ c. 638.9 kJ d. 1278 kJ e. 319.5 kJ   thanks for your help!

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