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2 (ag) At 25c caculadte the change in Genergy t.oo mele of Na(s) AG° 32.90 KJ...
a) Calculate the AG for the formation of ethylene (C2H4) from carbon and hydrogen at 25C when the partial pressures are 100 atm H2 and 0.10 atm C2H4: 2C(s) + 2 H2(g) --> C2H4 (8) AG° = 68.1 kJ b) is the reaction spontaneous in the forward or the reverse direction? c) Is the spontaneous reaction (whether forward or reverse) more thermodynamically favorable at standard-state conditions or at the calculated conditions? a) 39.6 kJ/mole; b) reverse; c) calculated a) 51.0...
The standard enthalpy change for the following reaction is 515 kJ at 298 K. Na 02(s)2 Na(s) +02(g) What is the standard heat of formation of Na202(s)? kJ/mol Submit Answer
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...
a) Determine AG for the following reaction at 25C: N2O2(g) ---> 2NO2(g) AHO = +55.3 kJ; AS°= +175.7 J/K b) is the reaction spontaneous under standard state conditions? c) at what temperature will the reaction become spontaneous? a) 2.94 k); b) no; c) 315 K a) -52.3 kJ; b) yes; c) at no temperature a) 50.9 kJ; b) yes; c) -750K a) -4.34 kJ; b) no; c)-315 K
Question 2 8 pts a) Calculate the AG for the formation of ethylene (C2H4) from carbon and hydrogen at 25C when the partial pressures are 100 atm H2 and 0.10 atm C2H4. 2 C(s) + 2 H2(g) --> C2H4 (8) AG - 68.16) b) is the reaction spontaneous in the forward or the reverse direction? c) Is the spontaneous reaction (whether forward or reverse) more thermodynamically favorable at standard-state conditions or at the calculated conditions? a) 39.6 kJ/mole: b) reverse:c)...
a) Determine AG for the following reaction at 25C: N2O2(g) ---> 2NO2(g) AH = +55.3 kJ; AS = +175.7 J/K b) is the reaction spontaneous under standard state conditions? c) at what temperature will the reaction become spontaneous? ♡ a) 2.94 kJ; b) no; c) 315 K a)-52.3 kJ; b) yes; c) at no temperature a) 50.9 kJ;b) yes; c)-750 K a) -4.34 kJ; b) no; c)-315 K
The data in the table above were determined at 25C.
(a) Calculate G for the reaction above at 25C.
(b) Calculate Keq for the reaction above at 25C.
(c) Calculate S for the reaction above at 25C.
(d) In the table above, there are no data for H2. What are the
values of Hf, Gf, and of the absolute entropy, S, for H2 at
25C?
Using Equilibrium Constants to Determine Thermodynamic Parameters Post Lab So AHP (kJ mol (kJmol (J...
Calculate Kp at 25C for the following reaction: CaCO3(s) - --> CaO + CO2 AG° = 131.4 k) 53.0 9.3 x 10^-24 0.99 2.5 x 10^-7
10 Na (5) + 2 KNO, (s) + K,0 (s) + 5 Na, o (s) + N, (9) AH = -1457.20 kJ • Calculate the overall change in enthalpy when 18.00 grams of Na (5) reacts with excess KNO, (s). [Be sure to include the correct sign.] Enthalpy change: • How many grams of Na, o (s) are produced when the reaction above releases 271.5 kJ of heat energy. grams of Na, o (s) Check
The standard enthalpy change for the following reaction is -704 kJ at 298 K. Al(s) + 3/2 Cl2(g) — AICI3(8) AH° = -704 kJ What is the standard enthalpy change for the reaction at 298 K? 2 AICI3(s) — 2 Al(s) + 3 Cl2(9) kJ The standard enthalpy change for the following reaction is 851 kJ at 298 K. 2 NaOH(s) —— 2 Na(s) + O2(g) + H2(g) AH° = 851 kJ What is the standard enthalpy change for this...