for which of these an increase in entropy?
a. caco3(s)-> Cao(s)+ co2(g)
b. Nh3(g)+ Hcl(g)-> nh4cl(s)
c. h20(g)-> h20(l)
d.2no2(g)-> n202(g)
for which of these an increase in entropy? a. caco3(s)-> Cao(s)+ co2(g) b. Nh3(g)+ Hcl(g)-> nh4cl(s)...
IU. AS is positive for the reaction A) CaO (s) + CO2 (g) CaCO3 (S) B) N2 (g) + 3H2(g) → 2NH3 (g) C) 2503 (g) - 2802 (g) + O2 (g) D) Ag+ (aq) + Cl- (aq) → AgCl (s) E) H20 (1) + H20 (s) 11. AS is positive for the reaction A)2 Ca(s) + O2 (g) 2 Cao (s) B) 2 KClO3 (s) 2KCI(S) + 30 (g) C) HCl (8) + NH3 (8) ► NH4Cl (s) D)...
Question 14 Which reaction is accompanied by an increase in entropy? A. Ba(OH)2(s) + 2 HCl(g) → BaCl2.2H2O(s) B. C12H20() + 17 O2(g) - 12 CO2(g) + 10 H200) OC. NH4Cl(s) → NH3(g) + HCl(g) OD.2 C2H2(g) + 5 O2() → 4 CO2() + 2 H2O(s) E. (CH3)2CO(l) + 4 O2(g) + 3 CO2(g) + 3 H2011)
CaCO3 (s) ⇌ CaO (s) + CO2 (g) Given at equilibrium 2.5 g CaCO3; 1.35 g CaO; 3.45 g CO2 in a 1.5 L container at 25˚C.
Calculate the standard entropy of reaction at 25 ?C for the decomposition of calcium carbonate: CaCO3(s)?CaO(s)+CO2(g)
For which of the following reactions is AS° >0. Choose all that apply. NH4Cl(s) + NH3(g) + HCl(g) 2C2H6(g) + 702(g) + 4CO2(g) + 6H2O(g) 2NH3(g) + 2O2(g) → N2O(g) + 3H2O(1) N2(g) + 202(g) + 2NO2(g) C2H2(g) + 4H2O(g) + 2CO2(g) + 5H2(g) Which of the following transformations represent an increase in the entropy of the system. Choose all that apply 20 g Hg (liquid, 244K) 20 g Hg (liquid, 620K) 1 mol CO2 (0.874 atm, 440K) 1 mol...
Which of the following processes has a negative AS? A) CaCO3(s) → Cao(s) + CO2(g) B) H2O(g) → H2O(s) C) CO2(s) + CO2(g) D) C6H1206(s) → C6H1206(aq) E) AS cannot be negative
At 900 °C, K = 0.0108 for the reaction CaCO3(8) F CaO(s) + CO2(g) A mixture of CaCO3, CaO, and CO2 is placed in a 10.0-L vessel at 900 °C. For the following mixtures, will the amount of CaCO3 increase, decrease, or remain the same as the system approaches equilibrium? Part A 15.0 g CaCO3, 15.0 g CaO, and 4.25g CO2 increases decreases O remains the same Submit Request Answer Part B 2.50g CaCO3, 25.0 g CaO, and 5.66 g...
CaCO3(s) ⇄ CaO(s) + CO2(g) 0.100 mol of CaCO3 and 0.100 mol CaO are placed in an 10.0 L evacuated container and heated to 385 K. When equilibrium is reached the pressure of CO2 is 0.220 atm. 0.300 atm of CO2 is added, while keeping the temperature constant and the system is allowed to reach again equilibrium. What will be the final mass of CaCO3? 7.47 g 12.54 g 18.01 g 2.00 g 10.01 g
For the endothermic reaction CaCO3 (s) <-----> CaO (s) + CO2 (g) Le Chtelier's principle predicts that __________ will result in an increase in the number of moles of CO2 at equilibrium. a. increasing the temperature b. decreasing the temperature c. increasing the pressure d. removing some of the CaCO3(s) e. adding more CaCO3 (s)
Consider the reaction: CaCO3(s)CaO(s) + CO2(g) Using standard absolute entropies at 298K, calculate the entropy change for the system when 2.26 moles of CaCO3(s) react at standard conditions. S°system = J/K