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PLEASE ANSWER THESE QUESTIONS What is the molar reaction enthalpy for the reaction below: NgH4(I) + CH4 (1) #CH2O(g) + N...
A reaction has an enthalpy change of - 71 kJ mol" and an entropy change of...
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() +...
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)...
Please solve questions 1, 2 and 3 At what temperatures is the reaction below spontaneous? 2...
Please solve questions 1, 2 and 3
At what temperatures is the reaction below spontaneous? 2 H2(g) + O2(g) + 2 H2O(l) Select one: O a. at T > ~1750 K O b. at T < ~1750 K O c. at T > ~1.75 K. d. at T < ~ 1.75 K O e. The reaction is spontaneous at all temperatures. Which one of the following thermodynamic quantities is not a state function? Select one: O a. entropy b. Gibbs...
the enthalpy of combustion of CH4(g) to make H2O(l) and CO2(g) is -2340 kJ mol-1. The...
the enthalpy of combustion of CH4(g) to make H2O(l) and CO2(g) is -2340 kJ mol-1. The enthalpy of combustion of CH2(g) to make H2O(l) and CO2(g) is -2760 kJ mol-1. The enthalpy of formation of H2O(l) is -286 kJ mol-1. All the data are for 298 K. The heat capacities for O2(g), CHA(8), CH3(g), H2O(l) and CO2(8) are 29, 61, 71, 75 and 37 JK"mor", respectively. Deduce a) 4U298 for the combustion of C4H8(g). 5) AH for the combustion of...
For the reaction Co (g) + 3 H2 (g)CH4(g) + H2O (g) calculate the enthalpy change...
For the reaction Co (g) + 3 H2 (g)CH4(g) + H2O (g) calculate the enthalpy change in kJ at standard temperature and pressure for the consumption of 1.2 moles of carbon monoxide (g). The table below gives thermodynamic parameters. compound at 25 C ΔΗ f kj mol 'S JK ' mol kj mol carbon monoxide (g) -110.53 hydrogen (g) methane (g) water (I) water (g) 0 -1 197.67 130.68 186.26 69.95 188.83 137.17 74.81 285.83 241.82 -50.72 237.13 228.57 rxn...
640 g of oxygen gas, O2, ondergo reversible isothermal expansion at 35°C from a volume of...
640 g of oxygen gas, O2, ondergo reversible isothermal expansion at 35°C from a volume of 2.4 to 17.3 m. Assuming ideal gas behaviour, what is the total work performed by the gas? A particular reaction has a standard molar reaction enthalpy of -4362 kJ mol" and a standard molar reaction entropy of +21.6 J K-1 mol- both at 298 K. What is the thermodynamic equilibrium constant for the reaction at 298 K? (Note, rounding errors will have a profound...
The standard enthalpy change for the following reaction is - 52.3 kJ at 298 K. C2H4(g)...
The standard enthalpy change for the following reaction is - 52.3 kJ at 298 K. C2H4(g) — 2 C(s.graphite) + 2 H2(g) AH° = -52.3 kJ What is the standard enthalpy change for this reaction at 298 K? 2 C(s,graphite) + 2 H2(g) — C2H4(9) LLUCU The standard enthalpy change for the following reaction is -240 kJ at 298 K. Ni(s) + 1/2 O2(g) → Nio(s) AH° = -240 kJ What is the standard enthalpy change for the reaction at...
The standard enthalpy change for the following reaction is -426 kJ at 298 K. Na(s) +...
The standard enthalpy change for the following reaction is -426 kJ at 298 K. Na(s) + 1/2 O2(g) + 1/2 H2(g) → NaOH(s) AH° = -426 kJ What is the standard enthalpy change for the reaction at 298 K? 2 Na(s) + O2(0)+ H2()—2 NaOH(s) The standard enthalpy change for the following reaction is 484 kJ at 298 K. CH3COOH(1) ► 2 C(s,graphite) + 2 H2(g) + O2(g) AH° = 484 kJ What is the standard enthalpy change for this...
1. (14 pts) Determine the standard molar enthalpy of formation of B2He (g) at 298 K...
1. (14 pts) Determine the standard molar enthalpy of formation of B2He (g) at 298 K using only the data below. The standard state of boron at 298 K is a crystalline solid, B(s). AH-2368 kJmol а) 2B (5) B,0, (s) AH-1941 kJ/mol 3H.O (g) +30, (e) B O, (s) 2) В,н, @ AH-242 kJmol но (3) H, (g) +
15. Consider the reaction 2 NO2(g) N2O4(g) . (a) Using Gf N2O4(g) = 97.79 kJ/mol and...
15. Consider the reaction 2 NO2(g)
N2O4(g) .
(a) Using Gf
N2O4(g) = 97.79 kJ/mol and Gf NO2(g)
= 51.3 kJ/mol, calculate G° at 298 K.
kJ
(b) Calculate G at 298 K if the partial pressures of
NO2 and N2O4 are 0.35 atm and 1.60
atm, respectively.
kJ
16. Consider the reaction given below.
H2(g) + F2(g)
2 HF(g)
(a) Using thermodynamic data from the course website, calculate
G° at 298 K.
kJ
(b) Calculate G at 298 K...
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)...
Please solve questions 1, 2 and 3
At what temperatures is the reaction below spontaneous? 2 H2(g) + O2(g) + 2 H2O(l) Select one: O a. at T > ~1750 K O b. at T < ~1750 K O c. at T > ~1.75 K. d. at T < ~ 1.75 K O e. The reaction is spontaneous at all temperatures. Which one of the following thermodynamic quantities is not a state function? Select one: O a. entropy b. Gibbs...
the enthalpy of combustion of CH4(g) to make H2O(l) and CO2(g) is -2340 kJ mol-1. The enthalpy of combustion of CH2(g) to make H2O(l) and CO2(g) is -2760 kJ mol-1. The enthalpy of formation of H2O(l) is -286 kJ mol-1. All the data are for 298 K. The heat capacities for O2(g), CHA(8), CH3(g), H2O(l) and CO2(8) are 29, 61, 71, 75 and 37 JK"mor", respectively. Deduce a) 4U298 for the combustion of C4H8(g). 5) AH for the combustion of...
For the reaction Co (g) + 3 H2 (g)CH4(g) + H2O (g) calculate the enthalpy change in kJ at standard temperature and pressure for the consumption of 1.2 moles of carbon monoxide (g). The table below gives thermodynamic parameters. compound at 25 C ΔΗ f kj mol 'S JK ' mol kj mol carbon monoxide (g) -110.53 hydrogen (g) methane (g) water (I) water (g) 0 -1 197.67 130.68 186.26 69.95 188.83 137.17 74.81 285.83 241.82 -50.72 237.13 228.57 rxn...
640 g of oxygen gas, O2, ondergo reversible isothermal expansion at 35°C from a volume of 2.4 to 17.3 m. Assuming ideal gas behaviour, what is the total work performed by the gas? A particular reaction has a standard molar reaction enthalpy of -4362 kJ mol" and a standard molar reaction entropy of +21.6 J K-1 mol- both at 298 K. What is the thermodynamic equilibrium constant for the reaction at 298 K? (Note, rounding errors will have a profound...
The standard enthalpy change for the following reaction is - 52.3 kJ at 298 K. C2H4(g) — 2 C(s.graphite) + 2 H2(g) AH° = -52.3 kJ What is the standard enthalpy change for this reaction at 298 K? 2 C(s,graphite) + 2 H2(g) — C2H4(9) LLUCU The standard enthalpy change for the following reaction is -240 kJ at 298 K. Ni(s) + 1/2 O2(g) → Nio(s) AH° = -240 kJ What is the standard enthalpy change for the reaction at...
The standard enthalpy change for the following reaction is -426 kJ at 298 K. Na(s) + 1/2 O2(g) + 1/2 H2(g) → NaOH(s) AH° = -426 kJ What is the standard enthalpy change for the reaction at 298 K? 2 Na(s) + O2(0)+ H2()—2 NaOH(s) The standard enthalpy change for the following reaction is 484 kJ at 298 K. CH3COOH(1) ► 2 C(s,graphite) + 2 H2(g) + O2(g) AH° = 484 kJ What is the standard enthalpy change for this...
1. (14 pts) Determine the standard molar enthalpy of formation of B2He (g) at 298 K using only the data below. The standard state of boron at 298 K is a crystalline solid, B(s). AH-2368 kJmol а) 2B (5) B,0, (s) AH-1941 kJ/mol 3H.O (g) +30, (e) B O, (s) 2) В,н, @ AH-242 kJmol но (3) H, (g) +
15. Consider the reaction 2 NO2(g)
N2O4(g) .
(a) Using Gf
N2O4(g) = 97.79 kJ/mol and Gf NO2(g)
= 51.3 kJ/mol, calculate G° at 298 K.
kJ
(b) Calculate G at 298 K if the partial pressures of
NO2 and N2O4 are 0.35 atm and 1.60
atm, respectively.
kJ
16. Consider the reaction given below.
H2(g) + F2(g)
2 HF(g)
(a) Using thermodynamic data from the course website, calculate
G° at 298 K.
kJ
(b) Calculate G at 298 K...
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