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Suggest ways (with appropriate equations) would enable you to measure the AH values of Ag20(s) and CaCl,(s) from their elements. No cal- culations are necessary. 6,50 e Calculate the heat of decomposition for this process 6.51 at constant pressure and 25°C: CaO(s) + CO2(g) CACO3(s) (Look up the standard enthalpy of formation of the reactant and products in Table 6.4.) The standard enthalpies of formation of ions in aque- ous solutions are obtained by arbitrarily assigning a value of zero to H* ions; that is, AH [H* (aq)] = 0. (a) For the following reaction 6.52 НО HCl(g) - H*(aq) + Cl (aq) AH° = -74.9 kJ/mol calculate AH; for the Cl ions. (b) Given that AH for OH ions is -229.6 kJ/mol, calculate the enthalpy of neutralization when 1 mole of a strong monoprotic acid (such as HCI) is titrated by 1 mole cf a strong base (such as KOH) at 25°C. Calculate the heats of combustion for the following reactions from the standard enthalpies of formation listed in Appendix 2: (a) 2H2(g) + O2(g) → 2H,0(1) (b) 2C,H2(g) +502(g) →4CO2(g) +2H,O(1) Calculate the heats of combustion for the following reactions from the standard enthalpies of formation listed in Appendix 2: (a) C,H4(g) + 302(8) 2CO2(8) + 2H,O(1) (b) 2H,S(g) + 302(8) 2H,0(1) + 2SO2(8) Methanol, ethanol, and n-propanol are three com- mon alcohols. When 1.00 g of each of these alco- hols is burned in air, heat is liberated as shown by the following data: (a) methanol (CH3OH), 6(53 6.54 6.55

Suggest ways (with appropriate equations) would enable you to measure the AH values of Ag20(s) and CaCl,(s) from their elements. No cal- culations are necessary. 6,50 e Calculate the heat of decomposition for this process 6.51 at constant pressure and 25°C: CaO(s) + CO2(g) CACO3(s) (Look up the standard enthalpy of formation of the reactant and products in Table 6.4.) The standard enthalpies of formation of ions in aque- ous solutions are obtained by arbitrarily assigning a value of zero to H* ions; that is, AH [H* (aq)] = 0. (a) For the following reaction 6.52 НО HCl(g) - H*(aq) + Cl (aq) AH° = -74.9 kJ/mol calculate AH; for the Cl ions. (b) Given that AH for OH ions is -229.6 kJ/mol, calculate the enthalpy of neutralization when 1 mole of a strong monoprotic acid (such as HCI) is titrated by 1 mole cf a strong base (such as KOH) at 25°C. Calculate the heats of combustion for the following reactions from the standard enthalpies of formation listed in Appendix 2: (a) 2H2(g) + O2(g) → 2H,0(1) (b) 2C,H2(g) +502(g) →4CO2(g) +2H,O(1) Calculate the heats of combustion for the following reactions from the standard enthalpies of formation listed in Appendix 2: (a) C,H4(g) + 302(8) 2CO2(8) + 2H,O(1) (b) 2H,S(g) + 302(8) 2H,0(1) + 2SO2(8) Methanol, ethanol, and n-propanol are three com- mon alcohols. When 1.00 g of each of these alco- hols is burned in air, heat is liberated as shown by the following data: (a) methanol (CH3OH), 6(53 6.54 6.55

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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
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Suggest ways (with appropriate equations) would enable you to measure the AH values of Ag20(s) and CaCl,(s) from their elements. No cal- culations are necessary. 6,50 e Calculate the heat of decomposition for this process 6.51 at constant pressure and 25°C: CaO(s) + CO2(g) CACO3(s) (Look up the standard enthalpy of formation of the reactant and products in Table 6.4.) The standard enthalpies of formation of ions in aque- ous solutions are obtained by arbitrarily assigning a value of zero to H* ions; that is, AH [H* (aq)] = 0. (a) For the following reaction 6.52 НО HCl(g) - H*(aq) + Cl (aq) AH° = -74.9 kJ/mol calculate AH; for the Cl ions. (b) Given that AH for OH ions is -229.6 kJ/mol, calculate the enthalpy of neutralization when 1 mole of a strong monoprotic acid (such as HCI) is titrated by 1 mole cf a strong base (such as KOH) at 25°C. Calculate the heats of combustion for the following reactions from the standard enthalpies of formation listed in Appendix 2: (a) 2H2(g) + O2(g) → 2H,0(1) (b) 2C,H2(g) +502(g) →4CO2(g) +2H,O(1) Calculate the heats of combustion for the following reactions from the standard enthalpies of formation listed in Appendix 2: (a) C,H4(g) + 302(8) 2CO2(8) + 2H,O(1) (b) 2H,S(g) + 302(8) 2H,0(1) + 2SO2(8) Methanol, ethanol, and n-propanol are three com- mon alcohols. When 1.00 g of each of these alco- hols is burned in air, heat is liberated as shown by the following data: (a) methanol (CH3OH), 6(53 6.54 6.55
Transcribed Image Text:Suggest ways (with appropriate equations) would enable you to measure the AH values of Ag20(s) and CaCl,(s) from their elements. No cal- culations are necessary. 6,50 e Calculate the heat of decomposition for this process 6.51 at constant pressure and 25°C: CaO(s) + CO2(g) CACO3(s) (Look up the standard enthalpy of formation of the reactant and products in Table 6.4.) The standard enthalpies of formation of ions in aque- ous solutions are obtained by arbitrarily assigning a value of zero to H* ions; that is, AH [H* (aq)] = 0. (a) For the following reaction 6.52 НО HCl(g) - H*(aq) + Cl (aq) AH° = -74.9 kJ/mol calculate AH; for the Cl ions. (b) Given that AH for OH ions is -229.6 kJ/mol, calculate the enthalpy of neutralization when 1 mole of a strong monoprotic acid (such as HCI) is titrated by 1 mole cf a strong base (such as KOH) at 25°C. Calculate the heats of combustion for the following reactions from the standard enthalpies of formation listed in Appendix 2: (a) 2H2(g) + O2(g) → 2H,0(1) (b) 2C,H2(g) +502(g) →4CO2(g) +2H,O(1) Calculate the heats of combustion for the following reactions from the standard enthalpies of formation listed in Appendix 2: (a) C,H4(g) + 302(8) 2CO2(8) + 2H,O(1) (b) 2H,S(g) + 302(8) 2H,0(1) + 2SO2(8) Methanol, ethanol, and n-propanol are three com- mon alcohols. When 1.00 g of each of these alco- hols is burned in air, heat is liberated as shown by the following data: (a) methanol (CH3OH), 6(53 6.54 6.55
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