Predict whether ΔS° is greater than, less than, or approximately zero for each of the
following reactions, and explain your choice.
(a) 4 NH3(g) + 5 O2(g)→ 4 NO(g) + 6 H2O(g)
(b) CH4(g) + 2 O2(g)→ CO2(g) + 2 H2O(g)
(c) CaCO3(s)→ CaO(s) + CO2(g)
Predict whether ΔS° is greater than, less than, or approximately zero for each of the following...
Predict whether AS for each reaction would be greater than zero, less than zero, or too close to zero to decide. Clear All H2(g) + Cl (9)— 2HCl(g) 2503(9)_ 2802(g) + 02(9) AS > 0 CH_(g) +202(g)—— CO2(g) + 2H20 (9) AS <0 2CO2(g) + 5H2(g) → CH2(g) + 4H2O(g) too close to decide CaCO3(s) ºCaO(s); CO2(g) For which of the following reactions is AS'>0. Choose all that apply. NH4Cl(s) + NH3(9) + HCl(9) H.CO(g) + O2(g) + CO2(g) +...
Predict whether ? S for each reaction would be greater than zero, less than zero, or too close to zero to decide. Clear All H2(g) + Cl2(g)- 2HCI(g) 2NOBr(g)-_-2N0(g) + Br2(g) AS0 2HBr(g)+ Cl28 2HCIg)+ Br2(g) 2CO2(g) +5H2(g too close to decide CH2(g)+4H20) CaCo3(s) Cao(s)+ CO2(g)
Predict S for each reaction would be greater than zero, less
than zero, or too close to zero to decide
Predict whether AS for each reaction would be greater than zero, less than zero, or too close to zero to decide. Clear All H2(g) + Cl2(g) 2HCl(g) → 2NH3(g) N2(g) + | 3H2(g) AS> 0 CO2(g) + H2(g) *CO(g) +H2O(g) AS < 0 4HCl(g) + O2(g)—— 2H2O(g) + 2Cl2(g) too close to decide 2H2021)— *2H2O(1) + 02(g)
Predict the sign of ΔS for each of the following; explain your reasoning O2(g) → O2(l) 2 KClO4(s) → 2 KClO3(s) + O2(g) CH4(g) + 2 O2(g) → CO2(g) + 2 H2O(l)
Select all of the following that you would predict to have a negative ΔS. a) 2 NO2 (g) → N2 (g) + 2 O2 (g) b) 2SO2 (g) + O2 (g) → 2 SO3 (g) c) 2 C6H6 (l) + 15 O2 (g) → 12 CO2 (g) + 6 H2O (g) d) 4 NO (g) + 6 H2O (g) → 4 NH3 (g) + 5 O2 (g) e) 2 BF3 (g) + 3 CaO (s) → B2O3 (s) + 3...
Predict the sign of the entropy change, ΔS∘, for each of the reaction displayed. Drag the appropriate items to their respective bins. Pb2+(aq)+2Cl−(aq)→PbCl2(s) CaCO3(s)→CaO(s)+CO2(g) 2NH3(g)→N2(g)+3H2(g) 2Mg(s)+O2(g)→2MgO(s) C5H12(g)+8O2(g)→5CO2(g)+6H2O(g) H2O(l)→H2O(g) Positive Negative
For which one of the following reactions will delta H be approximately (or exactly) equal to delta E? H2(g) + Br2(g) ---> 2HBr(g) H2O(l) ---> H2O(g) CaCO3(s) ---> CaO(s) + CO2(g) 2H(g) + O(g) ---> H2O(l) CH4(g) + 2O2(g) ---> CO2(g) + 2H2O(l)
sectio direct THE The is inc plus surrc T 4 Predict and explain the changes in entropy for the following reactions: a N2(g) + 3H2(g) + 2NH3(g) b 2Mg(s) + O2(g) → 2MgO(s) c CaCO3(s) CaO(s) + CO2(g) d H2O(1) H2O(g) i
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)
Write the expression for the reaction quotient, Qc, for each of the following reactions: 4 NH3(g) + 5 O2(g) ⇌ 4 NO(g) + 6 H2O(g) CH4(g) + 2 O2(g) ⇌ CO2(g) + 2 H2O(l)