The following question (10,11) refere to the following reaction at constant 25C and 1 atm.
The following question (10,11) refere to the following reaction at constant 25C and 1 atm. -...
The following questions refer to the following reaction at 25°C and 1 atm. 2Fe(s) + (3/2)O2(g) + 3H2O(1) ► 2Fe(OH)3(3) AH = -789 kJ/mol Substance Fe(OH)3(S) Fe(s) O2(g) H2O(1) Sº (J/mol K) 107 27 205 70 7. Determine ASgurr for the reaction (in kJ/mol K) A) 3.14 B) 0.937 C) 0.378 D) 1.31 E) 2.65 8. Determine ASuniv for the reaction (in kJ/mol K) A) 0.23 B) 2.3 C) 0.36 D) 2.8 E) 3.6
The rate constant of a reaction is 5.6 × 10−3 s−1 at 25C, and the activation energy is 33.6 kJ/mol. What is k at 75C? Enter your answer in scientific notation.
A particular first order reaction has a rate constant of 1.35x10^2 s^-1 at 25C. What is the magnitude of k at 75.0C if Ea=85.7 kJ/mol?
Determine the value of AG for the following reaction: Fe2O3 (s) + 3 H2(g) → 2 Fe(s) + 3 H2O(g) Fe2O3(s) H2(g) Fe(s) H2O(g) AHf (kJ/mol) -824.2 0 0 -241.8 Sº (J/K mol) 87.4 130.6 27.3 188.8
Calculate the enthalpy of reaction for the following reaction: Question 19 Not yet answered Marked out of 1.00 Fe2O3(s) + 3CO(g) – 2Fe(s) + 3C02(9) P Flag question AH °(Fe2O3(s)) = -824.2 kJ/mol AH°(CO(g)) = -110.5 AH°(Fe(s)) = ? AH°(CO2(g)) = -393.5 kJ/mol Answer:
Question 6 Not answered Marked out of 1.00 If the above reaction could be done at 3399 K, what would be your estimate for AGº (in kJ) at this elevated temperature? Use AG° =AH° -TAS® and assume AH° and 4Sº are independent of temperature. P Flag question (Theº is included because it is still for standard conditions, that is, 1 atm for gases and 1 molar for concentrations.) Answer: What is Agrº (in kJ) at 2268 K for the following...
A-D 9. Use the data given below for the following reaction at 25 C. Fe 04 (s)+ 4 H2(g) 3 Fe (s) + 4 H2O (1), (12+4+4+10-30) Fe Oa(S) 146.4 APH (kJ/mol) -1118.4 H:(g) 130.6 H2O(I) Fe(s) 27.28 S' (J/K/mol) 69.61 -285.83 0 (5+5+2+5=12) (a) Calculate AS,ys, AS,urr, ASuniy and AG at 25°C. ASy's Hh 172 (b) Is the reaction spontaneous at 25°C from entropic point of view? (4) (c) Is the reaction spontaneous at 25°C from free energy point...
7. Use the following thermochemical data to identify which statement is true pertaining to the reaction Fe,O,(s) + 3H2(g) à 2Fe(s) + 3H,O(g) AH(Feq (ə)) = -822 kJ mol AH(H0(9) --242 kJ mol 56.96 -0.090 kJ moi"! K S.= 0.131 kJ mollk! SPO = 0.027 kJ mol'k 54,00) -0.189 kJ mol-'k A The reaction is thermodynamically favourable at 20°C. B The standard enthalpy of the reaction is -96 kJ molt C The Gibbs energy change for the reaction at 500...
Question 20 1 pts Using provided data, determine AGº (kJ) for the following reaction. 2Fe(s) + 3C12(8) 2FeCl3(s) AH® (kJ/mol) S (J/molk) Fe(s) 27.3 Cl2le) 223.0 FeCl3(s) -399.5 142 Question 21 1 pts Determine AG (in kJ) for the following reaction at 325K when the concentrations of the species are as follows: NO, - 10.00 M, N204 - 11.1 M. AGº (NO) - 51 kJ/mol, AG (N204) - 97.7 kJ/mol 2NO26) N20 (8)
D Question 20 1 pts Using provided data, determine AGⓇ (kJ) for the following reaction. 2Fe(s) + 3C12() <2FeCl3(s) AH, (kJ/mol) S (J/molk) Fe(s) 27.3 Cl2(e) 223.0 FeCl3(s) -399.5 142