Which of the following chemical reactions has a negative AS? (The reactions are unbalanced aswritten - you must balance them!)PCI5(s) + H2O(1) → POCI3(1) + HCI(aq)Ag(s) + H2S(g) + O2(g) → Ag2S(s) + H20(g)Fe(s) + H20(1) → Fe3O4(s)+ H2(g)TİCIĄ(s) + H2O(g)→ TIO2(s) + HCI(g)

The balanced chemical equation for the 1st chemical equation is shown below. According to the…

Answered: Which of the following chemical…

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...

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Given these reactions, where X represents a generic metal or metalloid 1) H, (g) + 0,(g) H,O(g) ΔΗ = -241.8 kJ 2) X(s) + 2 Cl, (g) → XCl,(s) ΔΗ = +288.1 kJ 3) H,(g) + ¿Cl,(g) → HCI(g) ΔΗ -92.3 kJ 4) X(s) + O,(g) → XO,(s) AH4 = -529.5 kJ 5) Н, О(g) — н,О() H,O(1) AH5 = -44.0 kJ what is the enthalpy, AH, for this reaction? XCI, (8) + 2 H,О0() — ХО,(s)+4 HC(g) 141.62 ΔΗ kJ %3D Incorrect
Calculate the standard enthalpy change for the reaction 2Al(s) + Fe2O3(s) → 2Fe(s) + Al2O3(s) given that 2Al(s) + 3O2(g) → Al2O3(s) ΔH = –1669.8 kJ/mol 2Fe(s) + 3O2(g) → Fe2O3(s) ΔH = –822.2 kJ/mol ΔH = ?
Given these reactions, 1 X(s) + 0,(g) → XO(s) + CO,(g) XO(s) AH = -653.9 kJ/mol XCO,(s) AH = +444.5 kJ/mol what is AH for this reaction? 1 X(s) +0,(g) + CO,(g) XCO,(s) 2 -825.4 AH = kJ/mol Incorrect
6A + 2C 6D Determine the enthalpy(AH) in kJ of the above reaction using the reactions below: 6B -> 2C AH = 438.3 kJ A + B D AH =-133.1 kJ
The standard enthalpy change for the following reaction is -56.0 kJ at 298 K. Na(s) + 1/2 H₂(g) → NaH(s) ΔΗ° = -56.0 kJ What is the standard enthalpy change for the reaction at 298 K? 2 NaH(s) → 2 Na(s) + H₂(g) kJ
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The bombardier beetle uses an explosive discharge as a defensive measure. The chemical reaction involved is the oxidation of hydroquinone by hydrogen peroxide to produce quinone and water:
Determine how much energy in kJ is absorbed when 6.03 g of HA, the limiting reactant, are completely used in the reaction. 2 HA (s) + X(OH)2 (aq) --> XA₂ (aq) + 2 H₂O (g) AH = 647.7 kJ You may or may not need the following molar mass information: HA molar mass = 46.31 g/mol H F9 F10 F3 O D)) # 3 E D C F4 KAA णी व $ 4 R F F5 ➤ 11 V do in % 5 F6 T G A B A 6 F7 H F8 & 7 N 8 U J * 00 8 a M K €1 ( 9 O F11 Ö ) O F12 P PE
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For each reaction, write the chemical formulae of the oxidized reactants in the space provided. Write the chemical formulae of the reduced reactants in the space provided. reactants oxidized: Al (s) + FeBr, (aq) AlBr, (aq) + Fe(s) reactants reduced: reactants oxidized: Cu Cl, (aq) + Mg(s) MgCl, (aq) + Cu(s) reactants reduced: reactants oxidized: Pb(s) + Hg (NO,),(aq) → Hg (1) + 2 reactants reduced:
For each reaction, write the chemical formulae of the oxidized reactants in the space provided. Write the chemical formulae of the reduced reactants in the space provided. reactants oxidized: CuCl, (aq) + Mg(s) - MGCL, (aq) + Cu(s) reactants reduced: A ? reactants oxidized: Feso, (aq) + Zn(s) Fe(s) + ZnSO, (aq) reactants reduced: reactants oxidized: 2AGNO, (aq) + Mg(s) 2Ag(s) + Mg(NO,), (ag) → reactants reduced:
Consider these reactions, where M represents a generic metal. 1. 2 M(s) + 6 HCI(aq) → 2 MCl, (aq) + 3 H, (g) AH1 = -698.0 kJ HCl(g) → HCI(aq) AH = -74.8 kJ H, (g) + Cl, (g) → 2 HCl(g) AH3 = -1845.0 kJ MCI, (s) → MCI, (aq) AH = -292.0 kJ Use the given information to determine the enthalpy of the reaction 2 M(s) + 3 Cl, (g) → 2 MCI, (s) 2. 3. 4.

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Which of the following chemical reactions has a negative AS? (The reactions are unbalanced as written - you must balance them!) PCI5(s) + H2O(1) → POCI3(1) + HCI(aq) Ag(s) + H2S(g) + O2(g) → Ag2S(s) + H20(g) Fe(s) + H20(1) → Fe3O4(s) + H2(g) TİCIĄ(s) + H2O(g)→ TIO2(s) + HCI(g)