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3 3 points Which reaction, shown below, is most likely to have a positive entropy (S)...
Question 10 2 pts Select ALL the reaction(s) that is/are most likely to have a positive Assys? SiO2(s) + 3 C(s) + SiC(s) + 2 CO(g) 3 NO2(g) + H2O(l) → 2 HNO3(1) + NO(g) 6 CO2(g) + 6 H2O(g) → C6H12O6(s) + 6 O2(g) H2O2(g) →H2O(g) + O2(8) CO(g) + Cl2(g) → COCl2(g)
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)
Question 1 2 pts Which of the following reactions is likely to have a positive AS? 1. Nai) --> Na(s) II. 2 C4H10(g) + 13 O2(g) --> 8 CO2(g) + 10 H2O(g) III. CaCO3(s) + 2 HCl(aq) --> CaCl2(aq) + H200) + CO2(9) IV. 6 CO2(g) + 6 H20g) --> C6H12O6(s) +6 O2(g) I and IV II and III O II, III, and IV O I, II, III, and IV
Which process is most likely to be spontaneous at standard temp and pressure? a. W(s) + 6CO(g) W(CO)6(s) b. H2O(g) H2O(l) c. C6H12O6(s) C6H12O6(aq) d. N2(g) + 3H2(g) 2NH
For the reactions below, which reactions have negative entropy? 1. AgNO3(aq) + NaCl(aq) --> AgCl(s) + NaNO3(aq) 2. H2O(g) + CO2(8) --> H2CO3(aq) 3. H2(g) +12(8) --> 2 HI(g) 4. C2H2O2(g) --> 2 CO(g) + H2(g) 5. H2O(g) --> H2O(1) O 2, 3, 4 1, 2,5 1,4,5 0 2,4
Which of the following reactions would be expected to have a positive entropy change. 4,5> 0? 1.2 SO2(g) + O2(g) → 2 SO3(g) 2. Ba(OH)2(5) - Bao(s) - H2O(g) 3. CO(g) - 2 H2(g) → CH3OH() Select one: a. 1 and 2 b. 1 and 3 c. 1 only d. 3 only e. 2 only ajo
B. Calculate the standard entropy change for the reaction 2Na(s)+Cl2(g)?2NaCl(s) using the data from the following table: Substance ?H?f (kJ/mol) ?G?f (kJ/mol) S? [J/(K?mol)] Na(s) 0.00 0.00 51.30 Cl2(g) 0.00 0.00 223.1 NaCl(s) -411.0 -384.0 72.10 Express your answer to four significant figures and include the appropriate units. Part A Predict the sign of the entropy change, AS°,for each of the reaction displayed. Drag the appropriate items to their respective bins. Ag+(aq) + Cl-(aq) → AgCl(s) | | Ca(OH)2(s) →...
17.51 Calculate the entropy change for the following processes. (a) 1.00 mol H,O(s) melts at 0 °C. AH = 6.01 kJ/mol. (b) 2.00 mol CH.() vaporizes at 80.0 °C. AH vap = 30.7 kJ/mol. 17.52 - Calculate the entropy change for the following processes. (a) 2.00 mol NH3(e) vaporizes at -33.0 °C. AHvap = 23.35 kJ/mol. (b) 1.00 mol C,H,OH(s) melts at -114 °C. AHjus = 5.0 kJ/mol. 17.53 Use data from Appendix G to calculate the standard entropy change...
Which reaction is accompanied by an increase in entropy? A. (CH3)2CO() + 4 O2(g) → 3 CO2(g) + 3 H2011) B. Ba(OH)2(s) + 2 HCl(g) → BaCl2.2H2O(s) OC.C12H20() + 17 O2(g) → 12 CO2(g) + 10 H2O() D. NH4Cl(s) + NH3(g) + HCl(g) E. 2 C2H2(g) + 5 O2(g) → 4 CO2(g) + 2 H2O(s)
According to the following reaction, how much energy is evolved during the reaction of 32.5 g B2H6 and 72.5 g Cl2? The molar mass of B2H6 is 27.67 g/mol B2H6(g)6 Cl2(g)2 BCI3(g) +6 HCl(g) AHorxn-1396 kJ O 238 kJ O 1640 kJ O 429 kJ O 1430 kJ O 3070 kJ QUESTION 2 0.5 points Save Answer The value of AH° for the reaction below is -1107 kJ: 2Ва (s) + O2 (g) — 2ВаО (s) How many kJ of...