Calculate the standard enthalpy change for the reaction 2C8H18(l) + 17O2(g) → 16CO(g) + 18H2O(l). 2C8H18(l) + 25O2(g) → 16CO2(g) + 18H2O(l) ΔH° = –11,020 kJ/mol, 2CO(g) + O2(g) → 2CO2(g) ΔH° = –566.0 kJ/mol. Created Date: 3/14/2008 1:24:05 PM asked Oct 30, 2019 in Biology by Ranjeet01 ( 58.9k points) thermochemistry (For this reaction … At this speed, how many minutes would it ... A: Speed of cyclist = 2.30 x 10 = 23 mi/hour Sciences, Culinary Arts and Personal © copyright 2003-2020 Study.com. Calculate Kp for this reaction at 227C. reac [aQxò /C Cox I g (-28 . given: 2c8h18(l) + 25o2(g) →16co2(g) + 18h2o(l) ∆h° = - 164187… 2C8H18(l) + 21O2(g) → 8CO(g) + 8CO2(g) + 18H2O(l). {/eq}, {eq}\rm 2C_8H_{18}(l) + 25O_2(g) \to 16CO_2(g) + 18H_2O(l)\;\;\;\Delta \textit{H}^o_{rxn} = -11,020\; kJ/mol \\ 2C8H18(l) + 17O2(g) --> 16CO(g) + 18H2O(l) (you need to work out 2 given reaction equations to obtain this one using math) 2C8H18(l) + 25O2(g) --> 16CO2(g) + 18H2O deltaH= -11,020 kJ mole^-1 (this one is ok because C8H18 is on the left side and the mole amount is the same) Become a Study.com member to unlock this Calculate the standard enthalpy change for the reaction 2C8H18(l) + 17O2(g) → 16CO(g) + 18H2O(l). Moreover, if the reaction is reversed, the {eq}\Delta H_{rxn} Calculate the standard enthalpy change for the reaction. Time to trave... Q: 4. Calculate enthalpy change of reaction for the combustion … 2C8H18(l) + 17O2(g) 16CO(g) + 18H2O(l). The change in standard enthalpy is calculated by simply adding and subtracting the given reactions based on Hess's Law. answer! For example, let's consider the reaction H 2 + F 2 → 2HF. Given H2(g) + (1/2)O2(g) → H2O(l), ΔH° = –286 kJ/mol, determine the standard enthalpy change for the reaction 2H2O(l) → 2H2(g) + O2(g). E) Aldehyde, alcohol. Q: Benzoic acid (C6H5C02H) has Ka =6.3 x 10-5 a) What is the value of Kb for the benzoate ion (C6H5C02-... A: We have given benzoic acid ( C6H5COOH ). 19) Al oxo _ q,Oa goivcn n 9.0 g of aluminntn rcacis acq . Change of Enthalpy: The change in standard enthalpy is calculated by simply adding and subtracting the given reactions based on Hess's Law. Calculate the standard enthalpy change for the reaction 2C8H18(l) + 21O2(g) → 8CO(g) + 8CO2(g) + 18H2O(l). The combustion of octane produces heat according to the equation 2C8H18(l) + 25O2(g) →16CO2(g) + 18H2O(l) ΔH°rxn= –11,020 kJ/mol, The combustion of butane produces heat according to the equation 2C4H10(g) + 13O2(g) → 8CO2(g) + 10H2O(l) ΔH°rxn= –5,314 kJ/mol, The combustion of butane produces heat according to the equation 2C4H10(g) + 13O2(g) → 8CO2(g) + 10H2O(l) ΔH°rxn = –5,314 kJ/mol. Since, in a chemical reaction, energy can be neither destroyed nor created, if we know the energy required to form or break the bonds being made (or broken) in the reaction, we can estimate the enthalpy change for the entire reaction with high accuracy by adding up these bond energies. Given: 2C8H18(l) + 25O2(g) → 16CO2(g) + 18H2O(l) ΔH° = –11,020. All rights reserved. To solve this problem, consider the following reactions to complete the desired reaction. Given: 2C8H18(l) + 25O2(g) → 16CO2(g) + 18H2O(l) Given: 2C8H18(l) + 25O2(g) →… kJ/mol 2CO(g) + O2(g) → 2CO2(g) ΔH° = –566.0 kJ/mol, Calculate the standard enthalpy change for the reaction. Molecular equation have done this several times and seem to have a different answer each time, none of which are choices. Find answers to questions asked by student like you, Calculate the standard enthalpy change for the reaction 2C8H18(l) + 21O2(g) → 8CO(g) + 8CO2(g) + 18H2O(l). Could somone help and explain this please? Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. If the reaction is multiplied by a factor A, then the {eq}\Delta H_{rxn} Copper (... A: Copper (II) chloride with potassium sulfate yields a clear, blue solution. Standard enthalpies of OF2, H2O, and HF are 20 kJ mol-1, -285 kJ mol-1, and -270 kJ mol-1 respectively. Calculate the standard enthalpy change for the reaction 2c8h18(l) + 17o2(g) → 16co(g) + 18h2o(l). Q: true or false? Q: Predict the major products of the following reactions.cis@cyclodecene + mCPBA in CH2Cl2, then dilute... Q: Identify and name the functional groups are in the following molecules, A: In d) amide,ester,Aldehyde,ether Solution for Calculate the standard enthalpy change for the reaction 2C8H18(l) + 21O2(g) → 8CO(g) + 8CO2(g) + 18H2O(l). Calculate the standard enthalpy change for the reaction 2C8H18(l) + 17O2(g) → 16CO(g) + 18H2O(l). Earn Transferable Credit & Get your Degree, Get access to this video and our entire Q&A library. Given: 2C8H18(l) + 25O2(g) → 16CO2(g) + 18H2O(l) ΔH° = –11,020 kJ 2CO(g) + O2(g) → 2CO2(g) ΔH° = –566.0 kJ Answer Choices: 10,450 kJ … Create your account. If the Law of Conservation of Energy states that energy is neither be created nor {/eq} is multiplied by -1. destroyed, but ... A: According to law of conservation of energy, energy can neither be created nor destroyed, but can onl... Q: The decomposition of ammonia on a tungsten surface at 1100 °CNH31/2 N2 + 3/2 H2is zero order in NH3 ... *Response times vary by subject and question complexity. The equation of the reaction becomes :C6H5COOH + H2O → ... Q: A cyclist travels at a rate of (2.30x10^1) miles per hour. Given: 2C8H18(l) + 25O2(g) → 16CO2(g) + 18H2O(l), Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*. Services, Standard Enthalpy of Formation: Explanation & Calculations, Working Scholars® Bringing Tuition-Free College to the Community. CuCl2... Q: When mixed in the presence of water, the elements Zn and I2 react to produce the compound zinc iodid... A: in given reaction, Calculate the standard enthalpy change for the reaction 2C8H18(l) + 17O2(g) → 16CO(g) + 18H2O(l).
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