From the following data,→CO2(g)AH°k]393. 5CCgraphite) + 0,2(g)rxnmolH2(g)→ H 02(g)AH°kJ285. 8mol2rxn+ 70,20,H 6(g)→4CO.2(g)2(g)+ 6H,0AH°kJ3119. 6mol-rxnCalculate the enthalpy change for the reaction20(grpahite)+ ЗН.→ C_H2(g)2 6(g)

Answered: Image /qna-images/answer/2032fb89-630e-4d16-a93f-5bf2a492ff71.jpg

From the following data, AH° kJ (graphite) + 0, +02 → H,0 w) C →CO 2(g) 393. 5 2(g) rxn mol H 2(g) AH° kJ 285. 8 mol 2(g) rxn 20,H 6(9) + 6H,0 ) AH° kJ 3119. 6 mol + 70, →4CO. 2(g) 2(g) rxn Calculate the enthalpy change for the reaction 20 (grpahite) + ЗН. 2(g) → C_H 2 6(g)

From the following data, AH° kJ (graphite) + 0, +02 → H,0 w) C →CO 2(g) 393. 5 2(g) rxn mol H 2(g) AH° kJ 285. 8 mol 2(g) rxn 20,H 6(9) + 6H,0 ) AH° kJ 3119. 6 mol + 70, →4CO. 2(g) 2(g) rxn Calculate the enthalpy change for the reaction 20 (grpahite) + ЗН. 2(g) → C_H 2 6(g)

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Similar questions

1. Given the following thermochemical data at 25°C and 1 atm pressure, 3 202(g) + 2B(s) → B203(s) AH° =-1264 kJ O3(g) + 2B(s) → B2O3(s) AH° = -1406 kJ determine AH° for the following reaction at 25°C and 1 atm pressure. 203(g) → 302(g)
The following information is given for benzene, CáHá, at 1atm: AHvap(80.1 °C) = 30.7 kJ/mol boiling point 80.1 °C specific heat liquid = KJ 1.74 J/g °C At a pressure of 1 atm, what is AH in kJ for the process of condensing a 47.4 g sample of gaseous benzene at its normal boiling point of 80.1 °C.
Given that the enthalpy of vaporization for water is: AHvap H₂O (1)→ H₂O (9) = +44.0 kJ mol Calculate AH for evaporating 3.00 moles of water.
The following questions refer to the reaction below. N2(g) + O2(g) 2 NO(g) AH° = 181.8 kJ 1. This reaction is Oexothermic Oendothermic 2. Heat is Oreleased Oabsorbed by the chemicals in this reaction. 3. Calculate AH° for the reaction YouTube 4 NO(g) 2 N2(g) + 2 O2(g) AH° = kJ 4. Calculate the standard heat of formation of NO. AH°t kJ %3D 5. Calculate the amount of heat transferred when 3.000 g of N2 are reacted with excess O2 gas.
Methane-producing bacteria convert liquid acetic acid (CH3CO₂H) into CO₂(g) and CH₂(g). AS° ΔΗ, Ο (kJ/mol) (J/mol.K) CH3CO₂H (1) -484.5 159.8 CO₂(g) -393.5 213.8 CH₂(g) -74.8 186.2 Calculate AHOrxn = kJ Calculate AG rxp = (round to 3 sig figs) Is this process endothermic or exothermic under standard conditions? Is the reaction spontaneous under standard conditions? kJ (round to 3 sig figs)
Using enthalpies of formation, calculate the standard change in enthalpy for the thermite reaction: 2Al(s) + Fe203(s) → Al203(s) + 2Fe(s) This reaction occurs when a mixture of powdered aluminum and iron(III) oxide is ignited with a magnesium fuse. The following enthalpies of formation are known: AH°; for Fe203(s) = -826 kJ AH°; for Al203(s) = -1676 kJ O 1251 kJ O 2502 kJ O-1251 kJ O 425 kJ 850 kJ O- 2502 kJ -850 kJ -425 kJ
The Δ?vapΔ⁢Hvap of a certain compound is 47.57 kJ·mol−147.57 kJ·mol−1 and its Δ?vapΔ⁢Svap is 67.46 J·mol−1·K−1.67.46 J·mol−1·K−1. What is the boiling point of this compound?
Calculate deltaH (in KJ), Freezing 0.375 moles of liquid Br2. Br-(aq) = -121.6 KJ/mole Condensing 500.0g of mercury vapor. Hg^2+ (aq) = +171.1 KJ/mole
Given the following information, AH° (A2B(g)) = -225 KJ/mol AH (BC(g)) = -160 KJ/mol %3D AH (AC(g)) = -85 KJ/mol AH (B(g)) = -75 KJ/mol Determine AH° for the reaction, A2B(g) + 2BC(g) 2AC(g) + 3B(g) -600 KJ/mol 150 KJ/mol 600 KJ/mol 450 KJ/mol
Use the following data to determine the AH° for the conversion of diamond into graphite: C(s,diamond) +O2(g) CO,(g) AH°= -395.4 kJ 200,(g) 2c0(g) +0,(g) AH°= 566.0 kJ 2c0(g) C(s,graphite) + CO,(g) AH°= -172.5 kJ C(s,diamond) AH° = → C(s,graphite) kJ
How much heat must be removed from a 90.5 g sample of benzene (M = 78.11 g mol-1) to cool the sample from 305 K to 215 K? The following physical data may be useful.ΔfusH = 9.8 kJ mol-1ΔvapH = 30.8 kJ mol-1Cs(l) = 1.73 J g-1 K-1Cs(s) = 1.51 J g-1 K-1Cs(g) = 82.4 J g-1 K-1 Tm = 279.0 KTb = 353.3 K Note: The word 'removed' in the question already accounts for the negative sign involved in the heat transfer. Express your answer to three significant figures.
Choose the reaction that illustrates AH°f for LiHSO̟. O Lit(aq) + HSO ¹(aq) → LiHSO(s) O Li(s) + 2 H(g) + S(s) + 4 O(g) → LiHSO(s) O Li+(aq) + H2O(l) + SO2(g) → LiHSO(s) Li(s) + 1/2 H2(g) + S(s) + 2 O2(g) → LiHSO(s) O Li(s) + H2(g) + S(s) + 2 O2(g) → LiHSO₁(s)