1. Predict whether the entropy change for each of the following reactions will have negative value....
2. Calculate the entropy change at 25°C for the following reaction: Ca (s) + 0.125 S, (S) +202 (g) → CaSO4 (s). The entropy contents of the reactants and product at 25°C are as follows: Substance S, J/mol.K Ca (s) 41.42 Ss (s) 31.8 O2 (g) 205.138 CaSO4(s) 106.7
1. Predict whether the entropy change for each of the following reactions will have a positive value or a negative value. Calculations are not necessary! (a) CH4 (g) + H2O (g) → C2H5OH (g) (b) 2 NO2 (g) → 2 NO (g) + O2 (g) (c) A1203 (s) + 3 H2 (g) → 2 Al(s) + 3 H2O (1)
Calculate the entropy change at 25°C for the following reaction: Li (s) + 0.5 O2 (g) + 0.5 H2 (g) → LiOH (s) The entropy contents of the reactants and product at 25°C are as follows: Substance S, J/mol•K Li (s) 29.12 O2 (g) 205.138 H2 (g) 130.68 LiOH (s) 42.8
1. Predict whether the entropy change for each of the following reactions will have a positive value or a negative value. Calculations are not necessary! (a) 2 SO, (g) + O2(g) → 2 SO, (g) (b) 2 COCI, (g) → 2 CO (g) + 2 Cl: (g) (C) 4 Fe (s) + 3 CO, (g) → 2 Fe,0, (s) + 3 C (s, graphite)
Predict whether the entropy change for each of the following reactions will have a positive value or a negative value. Calculations are not necessary! (a) 2 CO (g) + 2 Cl2 (g) → 2 COCl2 (g) (b) 2 CO2 (g) → 2 CO (g) + O2 (g) (c) SiCl4 (g) + 2 H2O (g) → 4 HCl (g) + SiO2 (s, quartz)
Predict whether the entropy change is positive or negative for each of the following reactions. Give reasons for your predictions. a. 2 KClO4(s) + 2 KClO3(s) + O2(g) b. H2O(g) → H20(1) c. 2 Na(s) + 2 H20(1) ► 2 NaOH(aq) + H2(g) d. N2(g) → 2 N(g)
Without consulting and references, predict whether each of the following reactions corresponds to an increased or decreased system entropy. Then place them in order of increasing entropy change. a) S(s) + O2(g) → SO2(g) c) CO(g) + 3 H2(g) → CH4(g) + H2O(l) b) H2(g) + O2(g) → H2O2(l) d) C(s) + H2O(g) → CO(g) + H2(g)
3. Predict the sign (positive or negative) on the entropy change for each of these reactions. (a) 2 SO2 (g) + O2 (g) → 2 SO3 (g) Negative (b) 2 NH3 (g) → N2 (g) + 3 H2 (g) (c) CO (g) + 2 H2 (g) → CH3OH (1) 4. For the reaction: 2NO2 (g) + N204 (g) at 298 K, The value of AH° and AS™ are -58.03 kJ and -176.6J/K, respectively. (a) What is the value of AG°...
3) Predict whether the change in entropy is positive, negative, or zero for each of the following reactions at 298 K, and explain your reasoning (2 pts each. 8 pts total): 1.4 Fe(s) + 3 O2(g) → 2 Fe:O:(s) b. O(g) + ( ) → O.(g) NH,Cl(s) » NH(g) + HCl(g) d. Hz(g) + Cl:(g) → 2 HCI c.
Enter your answer in the provided box. Calculate the standard entropy change for the following reaction at 25°C. S(rhombic) + O2(g) → SO2(g) K.mol 31.88 S(rhombic) 02(g) SO2(g) 205.0 248.5