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Find the ΔH for the target reaction below, given the following step reactions and subsequent ΔH values:
2NH3(g) → N2H4(l) + H2(g) ΔH = 22.5 kJ
2NH3(g) → N2(g) + 3H 2(g) ΔH = 57.5 kJ
CH2O(g) + H2(g) → CH 4O(l) ΔH = 81.2 kJ
Show all work and calculations. Find the ΔH for the target reaction below, given the following...
(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)...
Exercise C For each of the reactions listed below. use the reactions after it to determine the enthalpy of the first reaction. Reaction 1 Find the AH for the reaction below. given the following reactions and subsequent AH values: 4 NH3(g) + 5O2(g) - 4NO(g) + 6H2O(g) N2(g) + O2(g) - 2NO(g) AH = +180.6 kJ N2(g) + 3H2(g) + 2NH3(g) AH = -91.8 kJ 2 H2(g) + O2(g) 2H2O(9) AH = -483.7 kJ Reaction 2 Find the AH for...
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What is the molar reaction enthalpy for the reaction below: NgH4(I) + CH4 (1) #CH2O(g) + Ng(g) + 3Hg(g) given the following thermodynamic data? 2NH3(g) + N2H4(1) + H2(g) A,Hm = 22.5 kJ mol-1 2NH3(g) + N2(g) + 3H2(9) A,Hm = 57.5 kJ mol-1 CH2O(g) + H2(g) + CHAO(0) A,Hm = 81.2 kJ mol-1 0 -11.5 kJ mol-1 0 -32.8 kJ mol-1 0 -46.2 kJ mol-1 O-59.7 kJ mol? A particular reaction has a standard molar...
A reaction has an enthalpy change of - 71 kJ mol" and an entropy change of -58 JK-mol-. At what temperature does this exothermic reaction cease to be spontaneous? 422°C 673°c 826°C O 951°C What is the molar reaction enthalpy for the reaction below: N2H4(0) +CHNO(0) 4CHẠO(g) +Ng(g) + 3H (g) given the following thermodynamic data? 2NH3(9) ► N2H4(l) + H2(9) A,Hm = 22.5 kJ mol-1 2NH3(9) N2(g) + 3H2(9) A Hm = 57.5 kJ mol-1 CH,0(9) + H2(g) +...
3) Titanium dioxide is synthesized in the laboratory by hydrolysis, using the following reaction: TICIA() + 2H2O(l) → TIO (s) + 4HCl(s) AH -763 -187.6 945 92.31 What change in internal energy would occur at 298K if 1 mol of TiCl(l) were added to H2O(l) and all of the HCI evolved as gas? 4) Find the molar enthalpy of this reaction: N2H4(0) + H2(g) → 2NH3(g) Given: N,He(l) + CH,OH() → CH2O(g) + N2(g) + 3H2(g) AH -37 kJ N2(g)...
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12. Calculate the standard reaction enthalpy for the reaction: N2H4(4) + H2(g) → 2NH3(g) Given: N2H4(4) + O2(g) → N2(g) + 2H2O(g) AH° = 0543 kJ 2H2(g) + O2(g) → 2H2O(g) AH° = 1484 kJ N2(g) + 3H2(g) + 2NH3(g) AH° = 092.2 kJ A. - 1119 kJ B. - 33 kJ C. -151 kJ D. + 151 kJ E. + 1119 kJ
Use the ΔH°f values provided to determine ΔH°rxn for the following reaction CH4(g) + 3 Cl2(g) → CHCl3(l) + 3 HCl(g) ΔH°rxn = ? ΔH°f (kJ/mol): -75 -134 -92 A. +662 kJ B. +117 kJ C. -151 kJ D. -335 kJ The equation that corresponds to the enthalpy of formation for NH3(g) is A. N(g) + 3H(g) → NH3(g) B. N(g) + 3/2 H2(g) → NH3(g) C. 1/2 N2(g) + 3H(g) → NH3(g) D. 1/2 N2(g) + 3/2 H2(g) →...
(ii) Calculate AH° for the reaction N2H4(1) + O2(g) → N2(g) + 2H2O(1) using the data given below: 2NH3(g) + 3N2O(g) → 4N2(g) + 3H2O(1) N2O(g) + 3H2(g) → N2H4(l) + H2O(1) 2NH3(g) + O2(g) → N2H4(1) + H2O(1) H2(g) + 1/2O2(g) → H2O(1) AH° = -1010. kJ AH° = -317 kJ AH° = -143 kJ AH° = -286 kJ
1).From the standard enthalpies of formation, calculate ΔH°rxn for the reaction C6H12(l) + 9O2(g) → 6CO2(g) + 6H2O(l) For C6H12(l), ΔH°f = –151.9 kJ/mol (5 points) Substance ∆H°f , kJ/mol C6H12(l) –151.9 O2(g) 0 H2O(l) –285.8 CO2(g) –393.5 2).Determine the amount of heat (in kJ) given off when 1.26 × 104 g of ammonia are produced according to the equation N2(g) + 3H2(g) → 2NH3(g) ΔH°= –92.6 kJ/mol Assume that the reaction takes place under standard conditions at 25oC.
Make sure you show all work and calculations to receive full credit For each problem, find the ΔΗ for the target reaction below, given the following step reactions and subsequent ΔΗ values: