For reaction(i), change in moles=(3+1)-(1+1)=2
reaction (ii),change in moles=1-(1+1+)=-1
reaction(iii),change in moles=(1+.5)-1=.5
So the ∆S order is option b.ii<iii<i
Hope for better rating.Thanks.
is it A or B QUESTION 20 Arrange the following reactions according to increasing AS at...
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
Arrange the following gases in order of increasing gas density. CH4, O2, He, Ar, N2, H2O, CO2, H2
18. Arrange these compounds in order of increasing boing point: t. 1-butanol I. Butanal II. propanoic acid a) I<II< III b) II <I< III
Arrange the following reactions in order of their increasing tendency to go toward completion: reaction # Reaction Kc 1 2CH4 (g) = C2H6(g)+H2(g) 9.5x10^-13 2 HCHO2(g)= CO(g) +H2O(g) 4.5x10^5 3 N2O (g) + NO2 (g) = 3NO(g) 4.2x10^-4 CHoices: a. (3) < (2) < (1) b. (1) < (3) < (2) c. (2) < (1) < (3) d. (2) < (3) < (1)
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)
More Equilibrium: Please write equilibrium expressions for the following reactions: 1. i. 2 SO2 (g) + O2 (g) 2 SO3 (g) il. NH4NOs (s) N2O (g) +2 H20 (g) i CaCO3 (s) + CaO (s) + CO2 (g) iv. HNO2 (aq) +H2O (I) HaO* (aq) + NO2 (aq) 2. Predict which way the equilibrium will shift for each of the following changes: CO (g) + H2 (g) C (s) H2O (g) + heat i. increase [H2O] ii. increase [C0] iii....
Question 9 Place the following in order of increasing entropy. H2O(l) H2O(g) H2O(s) OH,09 <H2O(s) < H200 • H,09 < H200) < H20(5) H2011) < H2045) < H2O(g) H203 1,011 <H2015) H. O g) H.00)
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
Use Hess's law and the following data CH4(g) + 2O2(g) → CO2(g) + 2 H2O(g) AH° = -802 kJ mol-1 CH4(8) + CO2(g) —> 2CO(g) + 2 H2(g) AFH° = +247 kJ mol-1 CH4(g) + H2O(g) –> CO(g) + 3H2(g) AFH° = +206 kJ mol-1 to determine A.Hº for the following reaction, an important source of hydrogen gas CH4(8) + +02(8) — CO(g) + 2 H2(8)
Calculate ΔrH for the following reaction: CH4(g)+2O2(g)→CO2(g)+2H2O(l) Use the following reactions and given ΔrH's. CH4(g)+O2(g)→CH2O(g)+H2O(g), ΔrH = -284 kJmol−1 CH2O(g)+O2(g)→CO2(g)+H2O(g), ΔrH = -527 kJmol−1 H2O(l)→H2O(g), ΔrH = 44.0 kJmol−1