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1. For the following processes indicate if there is a decrease, no change, or increase in...
Based on a simple inspection of the following reactions, state whether entropy would increase (1) or decrease (1) and briefly state why. a)Br2(g)>2Brg) b) 2Mg(s) + O2(g) >2MgO (9) c) NH4Cl → NH4+ (aq)+ Cl(aq) d) CaO + H2O + Ca(OH2(s) e) 2NaCl → 2Na(1) + Cl2()
Predict whether there is an increase or decrease in the system's entropy during each of the processes given below. (a) 2 Na(s) + Cl2(g) → 2 NaCl(s) increasedecrease (b) Cl2(g) → Cl2(l) increasedecrease (c) C3H8(g) + 5 O2(g) → 3 CO2(g) + 4 H2O(g) increasedecrease
1) Which of the following processes would be expected to have the largest increase in ?Srxn per mole of benzene? a) C6H6(l) + Cl2(g) ? C6H5Cl(l) + HCl(g) b) C6H6(l) + 15/2 O2(g) ? 6CO2(g) + 3H2O(g) c) C6H6(s) ? C6H6(g) d) 6H6(s) ? C6H6(l) e) C6H6(l) + 9/2 O2(g) ? 6CO(g) + 3H2O(g) 2) The heat of fusion of acetic acid is 11.5 kJ/mol. Its melting point is 16.6 oC. The change in entropy for the melting of acetic acid in...
Short Answer: (4 points each) 1.) Predict whether the entropy change is positive or negative for each of the following reactions. GIVE YOUR REASON FOR YOUR PREDICTIONS a) 2KC1O4(s) → 2KCIO3() + O2(8) b) H2O → H2O) c) 2Na(3) + H2O → 2NaOH(aq) + H2() d) N2(g) → 2N) 2.) State whether the sign of the entropy change expected for each of the following processes will be positive or negative, and EXPLAIN YOUR PREDICTIONS. a) PC130) + Cl2(e) → PCls(s)...
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) →...
Indicate whether the entropy of the system would increase or decrease in each of the following reactions (some reactions are not balanced). Part D Entropy of the system O2(g) →O3(g) O increases O decreases O cannot be determined Submit Request Answer
For the following reactions, first indicate the type of reaction, then indicate which element is oxidized and which is reduced 61. 2Na+ Cl2 → 2NaCl 62. C + O2 CO2 63.2H20 → 2H2 + O2 64.2KCIO3 →KCI+ 302 65. H2 + Cl2 → 2HCI 66. Zn + CuSO4 → ZnSO4 + Cu 67.2 CuO 2Cu + O2 68. Cl2 + Nile 12+ NiCl2 69. FeO + CO Fe + CO2 70. N2 + 3H2 → 2NH3
2. How does the entropy of a system change for each of the following processes? Indicate 49<0 or > 0 (a) (b) (c) (d) (e) (f) A solid melts. A liquid freezes. A liquid boils. A vapor is converted to a solid A vapor condenses to a liquid. A solid sublimes. 13. Given that AH value of AG = -2219 kJ/mol and that AS au=-216 JK mol at 25°C, determine the at 25 °C for the reaction CH5g + 50g...
intended to be a wered by estima . 1. Arrange the following in order of increasing absolute entropy at 298 K: Hect). Hg(s). C6H6(1). CH3CH3(1) a. Hel). Hg(s). CGHSCH3(1). C6H6(1) b. He(s). Hel). CHECH3(1). C6H6(1) c. C6H6(1). CH3CH3(I). Hg(s). Hg(1) d. CH CH3(1). CH6(). Hg(t). Hg(s) e. He(s). Hg(1), C6H6(). CHSCH 3(1) 2. Which of the following processes would be expected to have a positive AS value? a. 2 H2(g) + O2(g) → 2H2() b. H2(g) → H20(1) c. CO(g)...
A chemist measures the enthalpy change ΔH during the following reaction: 2Na (s) + Cl2 (g) → 2NaCl (s) =ΔH−822.kJ Use this information to complete the table below. Round each of your answers to the nearest /kJmol . A chemist measures the enthalpy change AH during the following reaction: 2Na(s) + Cl2(g)→2 NaCl(s) NH=-822. kJ Use this information to complete the table below. Round each of your answers to the nearest kJ/mol reaction △H kJ NaCl(s) → Na(s) + Cl2(g)...