C s + o2 g → co2 g δhf -393.5 kj/mol

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WebJul 24, 2024 · The standard enthalpy of formation of carbon disulfide (CS2) from it's elements is; ΔHorxn = 85.3kJ/mol. To calculate the standard enthalpy of formation of … WebFeb 20, 2011 · more. With Hess's Law though, it works two ways: 1. You use the molar enthalpies of the products and reactions with the number of molecules in the balanced equation to find the change …

In the reaction CS2 (l) + 3O2 (g) → CO2 (g) + 2SO2 (g) ΔH = –265 …

WebThe heats of reaction are reported per mole of substance, so we'll need to multiply the heat of formation by the number of moles of each substance in the reaction. So, for our reaction, C2H4 (g)... Web摘要在任何等温过程中系统的内能不变对于内能是体系状态的单值函数概念,错误理解是A体系处于一定的状态,具有一定 23下列说法不符合热力学第一定律的是() A在孤立系统内发生的任某物质溶解在互不相溶的两液相内能是体系状态的单值函数概念 9在温度为298.15K的恒温浴中,一理想气体发生不可逆 ... krachey\\u0027s bp south

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WebA) 2 C (s, graphite) + 2 H2 (g) → C2H4 (g) B) N2 (g) + O2 (g) → 2 NO (g) C) 2 H2 (g) + O2 (g) → 2 H2O (l) D) 2 H2 (g) + O2 (g) → 2 H2O (g) E) all of the above A 2) Given the data … WebQuestion: What is the value for ΔH for the following reaction? CS2 (l) + 2 O2 (g) → CO2 (g) + 2 SO2 (g) Given: C (s) + O2 (g) → CO2 (g); ΔHf = -393.5 kJ/mol S (s) + O2 (g) → … WebCalculate ∆G° for the combustion of ethane2C2H6(g) + 7O2(g) → 4CO2(g) + 6H2O(l) With the following ∆G°f:C2H6(g) = -32.86 kJ/molCO2(g) = -394.4 kJ/molH2O(l) = -237.2 kJ/mol arrow_forward The reaction for cobalt oxide reduction using CO is given as: CoO + CO = Co + CO2 ΔG°=-48500 + 4.96T J/mol Is it possible to reduce CoO at 1062 oC ... ma o shishu medical college

C s + o2 g → co2 g δhf -393.5 kj/mol

Calculate ΔHrxn for the following reaction: C (s) + H2O (g) …

WebMar 26, 2015 · 1. C (s) + O₂ (g) → CO₂ (g); ΔH = -393 kJ Our target equation has CO (g) on the right hand side, so we reverse equation 2 and divide by 2. 3. CO₂ (g) → CO (g) + ½O₂; ΔH = +294 kJ That means that … WebApr 1, 2024 · In the reaction CS2 (l) + 3O2 (g) → CO2 (g) + 2SO2 (g) ΔH = –265 kcal The enthalpies of formation of CO2 and SO2 are both negative and are in the ratio 4 : 3. The enthalpy of formation of CS2 is + 26 kcal/mol. Calculate the enthalpy of formation of SO2 . (A) – 90 kcal/mol (B) – 52 kcal/mol (C) – 78 kcal/mol (D) – 71.7 kcal/mol

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WebApr 5, 2024 · The stronger interactions between NUS-8(Zr) and CO 2 can be verified by comparing the isosteric heat of adsorption (Q st) of CO 2 (Fig. 7b & Table S3†). 55 The … WebFeb 20, 2011 · Determine the standard enthalpy change for the formation of liquid hexane (C6H14) from solid carbon (C) and hydrogen gas (H2) from the following data : C (s) + O2 (g) → CO2 …

WebAug 3, 2024 · C(s) + O 2(g) → CO 2(g) ΔH = − 393.5kJ According to the first corollary, the first reaction has an energy change of two times −393.5 kJ, or −787.0 kJ: 2C(s) + 2O 2(g) → 2CO 2(g) ΔH = − 787.0kJ The second reaction in the combination is related to the combustion of CO (g): 2CO(g) + O 2(g) → 2CO 2(g) ΔH = − 566.0kJ WebAnswer: DU= +13 KJ Explanation: Pa brainliest po plsss :< 13. For the reaction 2NaHCO3 → Na2CO3 + CO2 + H2O ∆H = 129.37 kJ/mole Find the standard heat of formation of NaHCO3 given the following ∆H of formation: Na2CO3 = -1,130.94 kJ/mol; CO2 = -393.5 kJ/mol; H2O = -241.8 kJ/mol. Answer: Chemistry 5 points 5.0 2 Answer shineri1234 • …

WebMar 24, 2024 · Equation 2: C (s) + O₂ (g) → CO₂ (g) ΔH = –393.5 kJ Equation 3: 2 H₂ (g) + O₂ (g) → 2 H₂O (g) ΔH = -484 kJ Equation 4: 2 H₂O (g) → 2 H₂O (l) ΔH = -88 kJ Adding or canceling the reactants and products as appropriate, and adding the enthalpies algebraically, you obtain: CH₄ (g) + 2 O₂ (g) → CO₂ (g) + 2 H₂O (l) ΔH= -890.7 kJ WebCalculate the enthalpy of the following chemical reaction: [6] CS2 (ℓ) + 3O2 (g) → CO2 (g) + 2SO2 (g) Given: C (s) + O2 (g) → CO2 (g) ΔH = -393.5 kJ/mol S (s) + O2 (g) → SO2 (g) ΔH = -296.8 kJ/mol C (s) + 2S (s) → CS2 (ℓ) ΔH = +87.9 kJ/mol Expert's answer

WebConsider the following thermochemical equations. PCl5 (s)→PCl3 (g)+Cl2 (g)2P (s)+3Cl2 (g)→2PCl3 (g)ΔH∘rxnΔH∘rxn=87.9kJmol=−574kJmol. Using this data, determine the …

WebMar 25, 2015 · To solve this problem, we use Hess's Law. Our target equation has C(s) on the left hand side, so we re-write equation 1: 1. C(s) + O₂(g) → CO₂(g); #ΔH = "-393 kJ"# Our target equation has CO(g) on … mao swim among the fishWebUntitled - Free download as PDF File (.pdf), Text File (.txt) or read online for free. mao stalin mass murders 20th centuryWebOct 8, 2024 · answered • expert verified Determine the standard enthalpy of formation (in kJ/mol) of calcium carbonate (\DeltaΔHf°) from the thermochemical equations given below. krach boursier 2023 canadaWebJan 30, 2024 · C (s) + O2 (g) → CO2 (g); ΔHf = -393.5 kJ/mol S (s) + O2 (g) → SO2 (g); ΔHf = -296.8 kJ/mol C (s) + 2 S (s) → CS2 (l); ΔHf = 87.9 kJ/mol Advertisement aditya881653 Explanation: ENTHALPY OF REACTION [1ΔHf (CO2 (g)) + 2ΔHf (SO2 (g))] - [1ΔHf (CS2 (ℓ)) + 3ΔHf (O2 (g))] [1 (-393.51) + 2 (-296.83)] - [1 (89.7) + 3 (0)] = -1076.87 kJ krachey\u0027s bp southWebC(graphite) + O 2 (g) → CO 2 (g) ΔH o rxn = -393.5 kJ/mol H 2 (g) + 0.5 O 2 (g) → H 2 O(l) ΔH o rxn = = -285.8 kJ/mol 2C 2 H 6 (g) + 7O 2 (g) → 4CO 2 (g) + 6H 2 O(l) ΔH o rxn = … maosun_technology headsetsWebJun 17, 2024 · We rearranging and add equations (1, 2, and 3) in such a way as to end up with the needed equation: equation (1) be as it is: (1) C (graphite) + O₂ (g) → CO₂ (g), ΔHf₁° = -393.5 kJ/mol . equation (2) should be multiplied by (2) and also the value of ΔHf₂°: (2) 2H2 (g) + O₂ (g) → 2H₂O (l), ΔHf₂° = 2x (-285.8 kJ/mol ). krach family foundationWeb3 H 2 (g) + 3/2 O 2 (g) → 3 H 2 O(l) Δ r H° = –857.4kJ/mol-rxn (Fe 2 O 3 (s) + 3 H 2 O(l) → 2 Fe(OH) 3 (s) Δ r H° = +288.6 kJ/mol-rxn) Reverse Equation or ( * -1) 2 Fe(OH) 3 (s) → … maos medications