Ma Nit← → Cesc21Ho Ph Phapp.101edu.coWeek 4 Lab 3....docx130F1QNaCl(s)Determine the enthalpy of reaction for HCI(g) + NaNO₂(s) → HNO₂(1) +-2NaCl(s) + H₂O(l) → 2HCI(g) + Na₂O(s) AH = -507.1 kJ/mol2NO(g) + NO₂(g) + Na₂O(s) → 2NaNO₂(s) AH° = -427.0 kJ/mol2NO(g) + NO₂(g) →→ N₂O(g) + O₂(g) AH° = -43.01 kJ/mol2HNO₂(1)→ N₂O(g) + O₂(g) + H₂O(1) AH° = +34.02 kJ/mol22HoF2W#3X0080F3G wh$4000000F4wh tar W Hy Gwh (3. ill MAC%C45F5Question 20 of 286MacBook Air&7CHAP Gwr Gw G chch | DF7* CO8DIIF89DDF91470+/-F10

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Answered: Determine the enthalpy of reaction for…

Chemistry

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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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If 0.067 mol of hydrochloric acid (HCl) is mixed with 0.067 mol of sodium hydroxide (NaOH) in a "coffee cup" calorimeter, the temperature of 5.1 g of the resulting solution increases from 25.0 ° C to 34.0 ° C. Given that the energy released is 2.2 × 101 cal when the specific heat of the resulting solution is 1.00 cal/g− ° C, use a conversion factor to convert the energy released to joules (J). Enter your answer in scientific notation. Be sure to answer all parts.
You wish to find the enthalpy for the reaction 6 Gel4 (s) + 14 NH41 (s) → 3 Ge₂H6 (1) + 7 N₂ (g) + 38 HI (g) Given the following equations Equation 1: 2 Ge (s) + 3 H₂ (g) Ge₂H6 (1) AH = 137.3 kJ/mol Equation 2: Ge (s) + 4 HI (g) → Gel4 (s) + 2 H₂(g) AH = -247.8 kJ/mol Equation 3: 2 NH4I (s) → N₂ (g) + 2 HI (g) + 3 H₂(g) AH = 455.8 kJ/mol What would be the enthalpy change, in kJ/mol, for 6 Gel4 (s) + 12 H₂(g) → 6 Ge (s) + 24 HI (g)?
For the chemical reaction H, (g) + F, (g) → 2 HF (g) AH° = -79.2 kJ/mol. What is the enthalpy (in kJ/mol) for the reaction 3 H, (g) + 3 F, (g) → 6 HF (g)
A chemist measures the enthalpy change AH during the following reaction: Sg(s) + 24 F,(g)→8 SF(g) AH=-9672. kJ Use this information to complete the table below. Round each of your answers to the nearest kJ/mol. reaction ΔΗ 10 SSF, (3) → S, (3) + 24F, (z) S,6) + 6F, (g) 2SF, (3) 4 4 SF, (e) -- S,(1) + 4F, (3)
Section 5.6 You place 0.0750 g of magnesium chips in a coffee-cup calorimeter and then add 100.0 mL of 1.00 M HCI. The reaction that occurs is: -> Mg (s) + 2 HCI (aq) → H2 (g) + MgCl2 (aq) The temperature of the solution raises from 20.15 °C to 23.29 °C. What is the enthalpy change or the reaction per mole of Mg? Assume that the specific heat capacity of the solution is 4.20 J/g K and the density of the solution is 1.00 g/mL. 412 kJ/mol 428 kJ/mol -412 kJ/mol -428 kJ/mol
A chemist measures the enthalpy change AH during the following reaction: 2 Al(OH)3(s)→Al,03(s) + 3 H,0(1) AH=41. kJ Use this information to complete the table below. Round each of your answers to the nearest kJ/mol. reaction ΔΗ x10 2 Al,0, (s) + H,0(1) Al(OH), (s) kJ 3 3 Al, O, (s) + 3H,0(1) → 2A1(OH), (s) kJ 3 Al(OH), (s) → Al, 0, (s) + H,0() |kJ 3
3
The standard enthalpy change for the following reaction is 103 kJ at 298 K. N2(g) + O2(g) + Cl2(g) ---------> 2 NOCl(g) ΔH° = 103 kJ What is the standard enthalpy change for this reaction at 298 K? 1/2 N2(g) + 1/2 O2(g) + 1/2 Cl2(g)--------> NOCl(g) kJ
1) When HCl(aq) and NaOH(aq) are mixed in a beaker, the beaker feels warm to the touch. What is known about the enthalpy of this reaction? The reaction is exothermic. ΔH is positive. The reaction is endothermic. Heat is absorbed from the surroundings. 2) Consider this combination reaction:2Mg(s)+O2(g)→2MgO(s) ΔH=−1204 kJ What is the enthalpy for the decomposition of 1 mole of MgO(s) into Mg(s) and O2(g)? -602 kJ/mol 602 kJ/mol -1204 kJ/mol 1204 kJ/mol 3) The enthalpy for the formation of 1 mole of NH3(aq) is -80.29 kJ/mol. What is the enthapy for the formation of 3 moles of NH3(aq)? -240.87 kJ −518×103 kJ -26.76 kJ -83.29 kJ
A chemist measures the enthalpy change AH during the following reaction: P4(s) + 6 Cl,(g)→4 PCI3(g) AH=-1148. kJ Use this information to complete the table below. Round each of your answers to the nearest kJ/mol. reaction ΔΗ 2 1 -P -PCl, (g) s) + Cl, (g) kJ 3 4PCI, (g) - P, (s) + 6Cl, (g) | kJ 1 3 (s) + 4 Cl, (g) PCI, (g) kJ
14. Calculate the standard enthalpy change for the reaction: 2Al(s) + Fe2O3(s) 2Fe(s) + Al2O3(s) given that: 2Al(s) + 3/202(g) → Al2O3(s) 2Fe(s) + 3/202(g) → Fe2O3(s) AH°x=-1675.7kJ/mol AH x =-824.2kJ/mol
Given the standard enthalpy changes for the following two reactions: (1) Hg(1) + Cl,(g) →HgCl,(s) AH° = -224.3 kJ (2) Fe(s) + Cl2(g)→FeCl,(s) AH° = -341.8 kJ what is the standard enthalpy change for the reaction: (3) Hg(1) + FeCl,(s)→ →HgCl,(s) + Fe(s) ΔΗ-? kJ Submit Answer Try Another Version 3 item attempts remaining

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