2. Given the following dataV(s) + 2 Cl₂(g) → VC14 (1)1VCl3(s) → VCl2 (s) +2Cl2(g)2 VC13(s) → VCl₂ (s) + VC14 (1)calculate AH for the reaction: [-580.7 kJ]3V(s) + Cl2(g) → VCl3 (s)2AH=-569.4 kJAH = +128.9 kJΔΗ=+140.2 kJI

To calculate the enthalpy change (ΔH) for the reaction:[V(s)+Cl2(g)→VCl2(s)]we need to use the…

Answered: 2. Given the following data V(s) + 2…

Chemistry

10th Edition

ISBN:9781305957404

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

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Chapter1: Chemical Foundations

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

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A chemist measures the enthalpy change AH during the following reaction: 2 HNO3(1) + Mg(s)→→ Mg(NO3)₂(s) + H₂(9) ΔΗ = - 443. kJ Use this information to complete the table below. Round each of your answers to the nearest kJ. reaction Mg(NO3)₂ (s) + H₂ (g) → 2HNO3 (1) + Mg(s) 3Mg(NO3)₂ (s) + 3H₂(g) + 3H₂(g) → 6HNO3 (1) + 3Mg(s) HNO₂(1) + — Mg(s) → — Mg(NO₂)₂ (s) + —⁄H₂(g) AH kJ x10 X Ś
4) Consider the thermochemical equation below. What mass of HgO must decompose to consume 400.0 kJ of heat? 2 HgO (s) → 2 Hg (1)+ O2(g) AH°rxn =+ 181.4 kJ (1) 5) Write the standard formation reaction for KAI(SO4)2(s). (1) 3 CO2 (g). (1) -393.5 kJ/mol 2 Cr (s) + 3 CO (ag) -110.5 kJ/mol Cr2O3 (s) 6) Consider the reaction 0.0 kJ/mol AH°f = -1139.7 kJ/mol Calculate AH°rxn.
7. Find AH for the following reaction: C6H12O6 (s) → 2 C₂H5OH (l) + 2 CO₂ (g) The standard enthalpies of formation are: 6 C (s) + 6 H₂(g) + 3 O₂(g) → C6H12O6 (s) 2 C(s) + 3 H₂(g) + O2(g) → C₂H5OH (l) C(s) + O₂(g) → CO₂ (g) AH-1273 kJ/mol AH=-278 kJ/mol AH=-394 kJ/mol
Find AH for CaCO3 (s) → CaO (s)+ CO2 (g) given: 2 Ca (s) + O2 (g) → 2 CaO (s) Ca (s) + CO2 (g) + 1/2 02 (g) → CACO3 (s) AH=-826.5 kJ (SHOW CALCULATIONS) AH=-1269.8 kJ
Can you please help me with this question
Calculate AH for the following chemical equation. If necessary, balance the chemical equations. rxn Fe(s) + CuCl₂ (s) → FeCl₂(s) + Cu(s) AH-[(-341.8kJ/mol) +0] --[0+ (-220.1kJ/mol)]- kJ/mol
Calculate AHO,xn for each of the following using data from Appendix B. (a) 2 H2S(g) + 3 02(g) → 2 SO2(g) + 2 H20(g) kJ (b) SiO2(s) + 4 HF(g) → SİF4(g) + 2 H20(/) kJ
A chemist measures the enthalpy change AH during the following reaction: 2 HNO3(1) + Mg(s)→Mg(NO3),(s) + H,(9) AH=-443. kJ Use this information to complete the table below. Round each of your answers to the nearest kJ/mol. reaction AH x10 10HNO,() + SMg(s) - 5Mg(NO,),(-) + 5H,(3) kJ 4 Mg(NO,),() + 4H, (8) → 8HNO,(1) + 4Mg(s) kJ Mg(NO,),(s) + H,(s) 2HNO,(1) + Mg(s) - 443. kJ
Calculate AH for the reaction 4Cu(8) + O₂(g) → 2Cu₂0(8) Given the following hypothetical data: 2Cu(s) + O₂(g) → 2CuO(s) 2Cu₂ 0(8) + 024CuO(s) kj AH= AH = - 312 kJ AH = -340. kJ
Consider the following information: A + B → C + D AH° = -15 kJ mol-1 C + D → E AH° = +5 kJ mol-1 Calculate the enthalpy for the following reaction: 2A+2B → 2E

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2. Given the following data V(s) + 2 Cl₂(g) → VC14 (1) 1 VCl3(s) → VCl2 (s) + 2 Cl2(g) 2 VC13(s) → VCl₂ (s) + VC14 (1) calculate AH for the reaction: [-580.7 kJ] 3 V(s) + Cl2(g) → VCl3 (s) 2 AH= -569.4 kJ AH = +128.9 kJ ΔΗ = +140.2 kJ I