Consider each of the following systems at constant pressure. Mark each system where work is done...
Consider each of the following systems at constant pressure. Mark each system where work is done by the surroundings on the system. (Select all that apply.)
1. CaCO3(s) → CaO(s) + CO2(g)
2. CO2(s) → CO2(g)
3. 2 SO2(g) + O2(g) → 2 SO3(g)
4. H2O(g) → H2O(l)
5. C3H8(g) + 5 O2(g) → 3 CO2(g) + 4 H2O(g)
Homework Answers
Work done by surrounding i positive.so reaction having ∆n <0 , has positive work.
Reactions are:- 3 and 4
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Consider each of the following systems at constant pressure.
Mark each system where work is done...
37. Which of the following equilibria would not be affected by pressure changes at constant temperature?...
37. Which of the following equilibria would not be affected by pressure changes at constant temperature? a. CO2(g) + H2(g) = CO(g) + H2O(g) b.CO(g) + 302(g) =CO2(8) c. 2Hg(1) + O2(g) = 2HgO(s) d. 2H2(g) + O2(g) = 2H2O(1) e. CaCO3(s) CaO(s) + CO2(g)
More Equilibrium: Please write equilibrium expressions for the following reactions: 1. i. 2 SO2 (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....
need help with a chem problem QUESTION 2 Consider the following reactions. At constant pressure, in...
need help with a chem problem
QUESTION 2 Consider the following reactions. At constant pressure, in which of the reactions is work done by the system on the surroundings? Select all that apply. Hai) - Heug) @ 302(g) - 20368) I CuSO4.5H20(s) - CuSO4(s) + 5 H2O(g) H2(g) + F2(g) - 2HF(g)
At constant pressure for which of the reactions shown below should ΔH° be greater than ΔE°...
At constant pressure for which of the reactions shown below should ΔH° be greater than ΔE° ? I. 2 SO2(g) + O2(g) → 2 SO3(g) II. C23H48(g) + 35 O2(g) → 23 CO2(g) + 24 H2O(l) III. H2(g) + Cl2(g) → 2 HCl(g) IV. N2O4(g) → 2 NO2(g)
A. Select the correct reaction when H2PO4- (a Bronsted-Lowry acid) reacts with water. 1. H2PO4- + OH- ⇄ H2O + HPO42-...
A. Select the correct reaction when H2PO4- (a Bronsted-Lowry acid) reacts with water. 1. H2PO4- + OH- ⇄ H2O + HPO42- 2. H2PO4- + H2O ⇄ H3O+ + HPO42- 3. H2PO4- + H2O ⇄ OH- + PO43- 4. H2PO4- + H2O ⇄ O2- + H4PO4+ B. Given the following reaction at equilibrium CaO(s) + CO2(g) ⇌ CaCO3(s) select all of the answers that apply. 1. To restore equilibrium, the reaction shifts to the right (products) side when the total pressure of the system is increased. 2. To restore equilibrium, the reaction shifts to the left (reactants) side when the total pressure...
Consider each of the following processes and determine if work is done by the system, work...
Consider each of the following processes and determine if work is done by the system, work is done on the system or no work is done. work done on the system N2 (1) N2 (9) work done by the system Ca3P2 (s) + 6 H20 (1) + 3 Ca(OH)2 (s) + 2 PH3 (9) work done by the system' 2 CH3OH (1) + 3 02 (9) 2 CO2 (9) + 4H20 (1) work done on the system 3 NO2 (9)...
Consider the following system at equilibrium where Kc = 34.5 and H° = -198 kJ/mol at...
Consider the following system at equilibrium where Kc = 34.5 and H° = -198 kJ/mol at 1150 K. 2 SO2 (g) + O2 (g) 2 SO3 (g) The production of SO3 (g) is favored by: Indicate True (T) or False (F) for each of the following: 1. decreasing the temperature. 2. decreasing the pressure (by changing the volume). 3. decreasing the volume. 4. removing SO3 . 5. adding O2 .
> Question 1 of 8 At constant pressure, which of these systems do work on the...
> Question 1 of 8 At constant pressure, which of these systems do work on the surroundings? 2 A(g) B(g) 4 C(g) 2 A(g) 2 B(g) 3 C(g) A(s) B(s) C(g) 2 A(g)3 B(g) 4 C(g)
Select all of the following that you would predict to have a negative ΔS. a) 2...
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...
Which of the following would have a positive change in standard entropy at constant temperature? Choose...
Which of the following would have a positive change in standard
entropy at constant temperature? Choose all that apply.
CaCO3
(s) CaO (s) +
O2(g)Hg(l) Hg(s)Ag(CN)2-
(aq) Ag+ (aq) + 2
CN- (aq)C2H2
(g) + F2 (g) C2H2F2
(g)CO2(g)
CO2(s)
37. Which of the following equilibria would not be affected by pressure changes at constant temperature? a. CO2(g) + H2(g) = CO(g) + H2O(g) b.CO(g) + 302(g) =CO2(8) c. 2Hg(1) + O2(g) = 2HgO(s) d. 2H2(g) + O2(g) = 2H2O(1) e. CaCO3(s) CaO(s) + CO2(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....
need help with a chem problem
QUESTION 2 Consider the following reactions. At constant pressure, in which of the reactions is work done by the system on the surroundings? Select all that apply. Hai) - Heug) @ 302(g) - 20368) I CuSO4.5H20(s) - CuSO4(s) + 5 H2O(g) H2(g) + F2(g) - 2HF(g)
Consider each of the following processes and determine if work is done by the system, work is done on the system or no work is done. work done on the system N2 (1) N2 (9) work done by the system Ca3P2 (s) + 6 H20 (1) + 3 Ca(OH)2 (s) + 2 PH3 (9) work done by the system' 2 CH3OH (1) + 3 02 (9) 2 CO2 (9) + 4H20 (1) work done on the system 3 NO2 (9)...
> Question 1 of 8 At constant pressure, which of these systems do work on the surroundings? 2 A(g) B(g) 4 C(g) 2 A(g) 2 B(g) 3 C(g) A(s) B(s) C(g) 2 A(g)3 B(g) 4 C(g)
Which of the following would have a positive change in standard
entropy at constant temperature? Choose all that apply.
CaCO3
(s) CaO (s) +
O2(g)Hg(l) Hg(s)Ag(CN)2-
(aq) Ag+ (aq) + 2
CN- (aq)C2H2
(g) + F2 (g) C2H2F2
(g)CO2(g)
CO2(s)
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