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9. (3 pts) Find the AH and AU for the target reaction at 25 C. Use...
(1) Find the H for the reaction below, given the following reactions and subsequent H values:...
(1) Find the H for the reaction below, given the following reactions and subsequent H values: 2CO2(g) + H2O(g) → C2H2(g) + 5/202(g) CH2(g) + 2H2(g) → CHg) H2O(g) - H2(g) + 1/20, (g) C2H6(g) + 7/202(g) → 2CO2(g) + 3H2O(g) answer - 235 kJ H =-94.5 kJ H =71.2 kJ H --283 kJ (2) Find the H for the reaction below, given the following reactions and subsequent H values: N2H4(I) + H2(g) + 2NH3(g) N2H4(1) + CH4O(1) - CH2O(g)...
The standard enthalpy change for the reaction of SO3 (g) with H2O(l) to yield H2SO4 (aq)...
The standard enthalpy change for the reaction of SO3 (g) with H2O(l) to yield H2SO4 (aq) is AH° = -227.8 kJ. Part A Use the following information S(s) + O2(g) +SO2(g), AH° = -296.8kJ SO2(g) + 1 O2(g) +S03 (g), AH° = -98.9kJ to calculate AH; for H2SO4(aq) (in kilojoules per mole). [For H2O(l), AH = -285.8kJ/mol]. Express your answer using four significant figures. O AXO A o ai ? AH; = Submit Request Answer Provide Feedback
3) Calculate the AH,º for the following reactions based on the standard heat of enthalpy of each compound. AH° (kJ/...
3) Calculate the AH,º for the following reactions based on the standard heat of enthalpy of each compound. AH° (kJ/mol): HCl(g) → -92.3, NaCl(s) →-411.0, NaOH(s) →-426.7. H2O(g) +-241.8 SO2(g) → -296.8, H2S(g) → -20.0, O2(g) → 0.0, H2O(l) →-285.8 a) NaOH(s) + HCl(g) ----> NaCl(s) + H2O(g) b) 2 H2S(g) + 3 O2(g) ---> 2 H2O(l) + 2 SO2(g)
Given the following standard enthalpy of formations: AH [C,H,OH() --277.7 kJ/mol; AH(CH3CO,H() = -484.5 kJ/mol); AH...
Given the following standard enthalpy of formations: AH [C,H,OH() --277.7 kJ/mol; AH(CH3CO,H() = -484.5 kJ/mol); AH® [H2O(1) --285.8 kJ/mol]; AH [O2(g) - 0 kJ/mol). Calculate the AHan for the reaction. C,H,OH(I)+,(g) → CH,CO,H(1) + H2O(l)
(10) 5. Use the given reactions and their enthalpies to determine the AHºrxn for the following reaction: 2 S(x) + 3...
(10) 5. Use the given reactions and their enthalpies to determine the AHºrxn for the following reaction: 2 S(x) + 3 O2(g) → 2503(g) Hºrxn - ? Given Reactions and their Standard Enthalpies of Reaction: SO2(g) - S(s) + O2(g) 2 SO2(g) + O2(g) 2 S03(g) AHºrxn = +296.8 kJ Hºrxn = -197.8 kJ (10) 6. Use standard enthalpies of formation (AH°f) to determine AHºrxn for the reaction below. 2 CH3OH(1) + 3 02(g) → 2 CO2(g) + 4H2O(g)
Find. AH°rxn for the reaction 2Ag2S(s) + 2H20(1) 4Ag(s) + 2H2S(9) + O2(g). [AH: (Ag2S(s)) =...
Find. AH°rxn for the reaction 2Ag2S(s) + 2H20(1) 4Ag(s) + 2H2S(9) + O2(g). [AH: (Ag2S(s)) = -32.6 kJ/mol; AHF (H2S(g)) = -20.5 kJ/mol; AH (H2O(0)) = -285,5 kJ/mol] O 5752 kJ/mol O 565.2 kJ/mol O None of the above O 585.2 kJ/mol O 595.2 kJ/mol
Given the following data: 3 s(s) + 2O2(9) S03(9) AH = -395.2 kJ 2802(g) + O2(g)...
Given the following data: 3 s(s) + 2O2(9) S03(9) AH = -395.2 kJ 2802(g) + O2(g) +2503(9) AH = - 198.2 kJ Calculate AH for the reaction: S(s) + O2(g) → SO2(g) +296.1 kJ -197.0 kJ -296.1 kJ -593.4 kJ -494.3 kJ
6) (3 pts) A sample gas is composed of four components. The gas molecules in the...
6) (3 pts) A sample gas is composed of four components. The gas molecules in the picture below are representative of the overall concentrations in the sample. If the total pressure of the gas mixture is 4.0 atm, what is the partial pressure of gas A? = gas A gas A The partial pressure of (3 pts) Water has a vapor pressure of 0.30 atm at 340 K. What is the density of water vapor (g/L.) under these conditions? Dem...
1) Find the AH of the following reaction: C(s) + O2(g) à CO2(g) Given the following...
1) Find the AH of the following reaction: C(s) + O2(g) à CO2(g) Given the following data: Sro(s) + CO2(g) à SrCO3(s) 2Sro(s) à 2Sr(s) +0,(8) AH = -234 kJ AH = +1184 kJ 2SCO,(s) à 25r(s) + 2C(s) + 302(g) AH = +2440 kJ 2) Find the AH of the following reaction: 3NO,(g) + H2O(l) à 2HNO,(aq) + NO(g) Given the following data: 2NO(g) + O2(g) à 2NO(g) AH=-116 kJ 2N2(g) + 502(g) + 2H2O(l) à 4HNO3(aq) AH =...
6. Hess's Law. Use the data in Table 1 to calculate AH for the reaction below:...
6. Hess's Law. Use the data in Table 1 to calculate AH for the reaction below: Table 1. Change in Enthalpy for Reactions Reactions Change in Enthalpy (AH) AH = -393.5 kJ/mol (1) C() (2) Hz((g) + + O2(g) O2(g) → CO2(8) → H2O(l) AH2 = -285.8 kJ/mol (3) 2CH.(g) + 702(g) → 4 CO2(g)+ 6H2O(1) AH = -283.0 kJ/mol Calculate the enthalpy change for the reaction: 2 C(s) + 3H2(g) → CzH6(g) AH = kJ/mol
(1) Find the H for the reaction below, given the following reactions and subsequent H values: 2CO2(g) + H2O(g) → C2H2(g) + 5/202(g) CH2(g) + 2H2(g) → CHg) H2O(g) - H2(g) + 1/20, (g) C2H6(g) + 7/202(g) → 2CO2(g) + 3H2O(g) answer - 235 kJ H =-94.5 kJ H =71.2 kJ H --283 kJ (2) Find the H for the reaction below, given the following reactions and subsequent H values: N2H4(I) + H2(g) + 2NH3(g) N2H4(1) + CH4O(1) - CH2O(g)...
The standard enthalpy change for the reaction of SO3 (g) with H2O(l) to yield H2SO4 (aq) is AH° = -227.8 kJ. Part A Use the following information S(s) + O2(g) +SO2(g), AH° = -296.8kJ SO2(g) + 1 O2(g) +S03 (g), AH° = -98.9kJ to calculate AH; for H2SO4(aq) (in kilojoules per mole). [For H2O(l), AH = -285.8kJ/mol]. Express your answer using four significant figures. O AXO A o ai ? AH; = Submit Request Answer Provide Feedback
3) Calculate the AH,º for the following reactions based on the standard heat of enthalpy of each compound. AH° (kJ/mol): HCl(g) → -92.3, NaCl(s) →-411.0, NaOH(s) →-426.7. H2O(g) +-241.8 SO2(g) → -296.8, H2S(g) → -20.0, O2(g) → 0.0, H2O(l) →-285.8 a) NaOH(s) + HCl(g) ----> NaCl(s) + H2O(g) b) 2 H2S(g) + 3 O2(g) ---> 2 H2O(l) + 2 SO2(g)
Given the following standard enthalpy of formations: AH [C,H,OH() --277.7 kJ/mol; AH(CH3CO,H() = -484.5 kJ/mol); AH® [H2O(1) --285.8 kJ/mol]; AH [O2(g) - 0 kJ/mol). Calculate the AHan for the reaction. C,H,OH(I)+,(g) → CH,CO,H(1) + H2O(l)
(10) 5. Use the given reactions and their enthalpies to determine the AHºrxn for the following reaction: 2 S(x) + 3 O2(g) → 2503(g) Hºrxn - ? Given Reactions and their Standard Enthalpies of Reaction: SO2(g) - S(s) + O2(g) 2 SO2(g) + O2(g) 2 S03(g) AHºrxn = +296.8 kJ Hºrxn = -197.8 kJ (10) 6. Use standard enthalpies of formation (AH°f) to determine AHºrxn for the reaction below. 2 CH3OH(1) + 3 02(g) → 2 CO2(g) + 4H2O(g)
Find. AH°rxn for the reaction 2Ag2S(s) + 2H20(1) 4Ag(s) + 2H2S(9) + O2(g). [AH: (Ag2S(s)) = -32.6 kJ/mol; AHF (H2S(g)) = -20.5 kJ/mol; AH (H2O(0)) = -285,5 kJ/mol] O 5752 kJ/mol O 565.2 kJ/mol O None of the above O 585.2 kJ/mol O 595.2 kJ/mol
Given the following data: 3 s(s) + 2O2(9) S03(9) AH = -395.2 kJ 2802(g) + O2(g) +2503(9) AH = - 198.2 kJ Calculate AH for the reaction: S(s) + O2(g) → SO2(g) +296.1 kJ -197.0 kJ -296.1 kJ -593.4 kJ -494.3 kJ
6) (3 pts) A sample gas is composed of four components. The gas molecules in the picture below are representative of the overall concentrations in the sample. If the total pressure of the gas mixture is 4.0 atm, what is the partial pressure of gas A? = gas A gas A The partial pressure of (3 pts) Water has a vapor pressure of 0.30 atm at 340 K. What is the density of water vapor (g/L.) under these conditions? Dem...
1) Find the AH of the following reaction: C(s) + O2(g) à CO2(g) Given the following data: Sro(s) + CO2(g) à SrCO3(s) 2Sro(s) à 2Sr(s) +0,(8) AH = -234 kJ AH = +1184 kJ 2SCO,(s) à 25r(s) + 2C(s) + 302(g) AH = +2440 kJ 2) Find the AH of the following reaction: 3NO,(g) + H2O(l) à 2HNO,(aq) + NO(g) Given the following data: 2NO(g) + O2(g) à 2NO(g) AH=-116 kJ 2N2(g) + 502(g) + 2H2O(l) à 4HNO3(aq) AH =...
6. Hess's Law. Use the data in Table 1 to calculate AH for the reaction below: Table 1. Change in Enthalpy for Reactions Reactions Change in Enthalpy (AH) AH = -393.5 kJ/mol (1) C() (2) Hz((g) + + O2(g) O2(g) → CO2(8) → H2O(l) AH2 = -285.8 kJ/mol (3) 2CH.(g) + 702(g) → 4 CO2(g)+ 6H2O(1) AH = -283.0 kJ/mol Calculate the enthalpy change for the reaction: 2 C(s) + 3H2(g) → CzH6(g) AH = kJ/mol
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