1.a) What is the sign of the entropy change for the following
reaction? Note: You do not need the standard entropy values
2Zn (s) + O2 (g) ---> 2ZnO (s)
answer
a) 0 (Zero)
b) <0 (Negative)
c) No change
d)> 0 (Positive)
2.c)
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1.a) What is the sign of the entropy change for the following
reaction? Note: You do...
Predict the sign of the entropy change for each of the following processes: (a) I2(s) →...
Predict the sign of the entropy change for each of the following processes: (a) I2(s) → 2I(g) positive cannot predict negative (b) 2Zn(s) + O2(g) → 2ZnO(s) positive negative cannot predict (c) N2(g) + O2(g) → 2NO(g) cannot predict positive negative
predict the sign of the entropy change for each of the following processes: a) I2(s)---->2I(g) cannot...
predict the sign of the entropy change for each of the following processes: a) I2(s)---->2I(g) cannot predict negative positive b) 2Zn(s) + O2 (g) ---> 2ZnO(S) cannot predict positive negative c) N2 (g) + O2(g) ---> 2NO(g) negative postive cannot predict
A29. For the reaction H2(g) + I2(g) -> 2HI(g), the sign of the entropy change is...
A29. For the reaction H2(g) + I2(g) -> 2HI(g), the sign of the entropy change is a) positive b) zero c) negative; d) non-zero but cannot be determined from the given information.
The change in entropy, ASiam, is related to the the change in the number of moles...
The change in entropy, ASiam, is related to the the change in the number of moles of gas molecules, Ang. Determine the change in the moles of gas for each of the reactions and decide if the entropy increases, decreases, or has little or no change A. K(s) + O2(%) KO,(s) The entropy, AS Ang- mol increases. decreases has little or no change. B. H,0,(1) H,(8) +0,(€) The entropy, A.SE increases B. H2O2(1) → H2(g) + O2(g) The entropy, AS...
Calculate the standard entropy change for the following reaction at 25°C. 20 + 6D 4E Sº...
Calculate the standard entropy change for the following reaction at 25°C. 20 + 6D 4E Sº (J/mol K) 191.5 130.6 192.3 -737.2 J/K mol-rxn 794.8 J/K mol-rxn 737.2 J/K mol-rxn O-129.8 J/K mol-rxn - 794.8 J/K mol-rxn
Question 7 Predict change in entropy for H2 + O2 --> 2H20 (1 point) negative none...
Question 7 Predict change in entropy for H2 + O2 --> 2H20 (1 point) negative none O positive O zero Question 8 Predict change in entropy for Fe(s)+ HCl(aq)--> H2(g) + FeCl2(aq) (1 point)* negative none positive zero
Part A Predict the sign of the entropy change, ΔS∘, for each of the reaction displayed. Drag the appropriate items to...
Part APredict the sign of the entropy change, ΔS∘, for each of the reaction displayed.Drag the appropriate items to their respective bins.Ag+(aq)+Cl−(aq)→AgCl(s)2KClO3(s)→2KCl(s)+3O2(g)2N2O(g)→2N2(g)+O2(g)2Mg(s)+O2(g)→2MgO(s)C7H16(g)+11O2(g)→7CO2(g)+8H2O(g)H2O(l)→H2O(g)Part BCalculate the standard entropy change for the reaction2Mg(s)+O2(g)→2MgO(s)using the data from the following table:SubstanceΔH∘f (kJ/mol)ΔG∘f (kJ/mol)S∘ [J/(K⋅mol)]Mg(s)0.000.0032.70O2(g)0.000.00205.0MgO(s)-602.0-569.627.00Express your answer to four significant figures and include the appropriate units.ΔS∘ =
Predict the sign of the entropy change, ASⓇ, for each of the reaction displayed. Drag the...
Predict the sign of the entropy change, ASⓇ, for each of the reaction displayed. Drag the appropriate items to their respective bins. View Available Hint(s) Reset Help C4H3(g) +602(g) → 4CO2(g) + 4H2O(g) 2NaClO3(s) +2NaCl(s) + 302(g) P4(g) +502 (g)P4010(s) 2N2O5 () 4NO2(g) + O2(E) CH3OH(1)—-CH3OH() Ba2+ (aq) +SO,?- (aq) --BaSO4(5) Positive Negative
Thermodynamics Practice Problems 1. Predict the sign of AS.(positive or negative) for the following reactions a...
Thermodynamics Practice Problems 1. Predict the sign of AS.(positive or negative) for the following reactions a 2 Mg(s) +,(@) 2 Mgo (s) AS b. CH206(s) → 2C,H,OH(I) + 2003(g) AS c. 2 NH3(g) + CO2(g) → H2O(l) + NH CONH3(aq) AS d. Cu(s) (at 100°C) → Cu(s) (at 25°C) AS 2. Which two variables can indicate if a reaction is spontaneous or not? 3. The second law of thermodynamics tells us that: a Energy is conserved. b. The entropy of...
Predict the sign of the entropy change, ?S?, for each of the reaction displayed. Drag the appropriate items to their re...
Predict the sign of the entropy change, ?S?, for each of the reaction displayed. Drag the appropriate items to their respective bins. Ba2+(aq)+SO42?(aq)?BaSO4(s) 2NaClO3(s)?2NaCl(s)+3O2(g) 2N2O(g)?2N2(g)+O2(g) 2H2(g)+O2(g)?2H2O(l) C7H16(g)+11O2(g)?7CO2(g)+8H2O(g) H2O(l)?H2O(g) Positive Negative
A29. For the reaction H2(g) + I2(g) -> 2HI(g), the sign of the entropy change is a) positive b) zero c) negative; d) non-zero but cannot be determined from the given information.
The change in entropy, ASiam, is related to the the change in the number of moles of gas molecules, Ang. Determine the change in the moles of gas for each of the reactions and decide if the entropy increases, decreases, or has little or no change A. K(s) + O2(%) KO,(s) The entropy, AS Ang- mol increases. decreases has little or no change. B. H,0,(1) H,(8) +0,(€) The entropy, A.SE increases B. H2O2(1) → H2(g) + O2(g) The entropy, AS...
Calculate the standard entropy change for the following reaction at 25°C. 20 + 6D 4E Sº (J/mol K) 191.5 130.6 192.3 -737.2 J/K mol-rxn 794.8 J/K mol-rxn 737.2 J/K mol-rxn O-129.8 J/K mol-rxn - 794.8 J/K mol-rxn
Question 7 Predict change in entropy for H2 + O2 --> 2H20 (1 point) negative none O positive O zero Question 8 Predict change in entropy for Fe(s)+ HCl(aq)--> H2(g) + FeCl2(aq) (1 point)* negative none positive zero
Predict the sign of the entropy change, ASⓇ, for each of the reaction displayed. Drag the appropriate items to their respective bins. View Available Hint(s) Reset Help C4H3(g) +602(g) → 4CO2(g) + 4H2O(g) 2NaClO3(s) +2NaCl(s) + 302(g) P4(g) +502 (g)P4010(s) 2N2O5 () 4NO2(g) + O2(E) CH3OH(1)—-CH3OH() Ba2+ (aq) +SO,?- (aq) --BaSO4(5) Positive Negative
Thermodynamics Practice Problems 1. Predict the sign of AS.(positive or negative) for the following reactions a 2 Mg(s) +,(@) 2 Mgo (s) AS b. CH206(s) → 2C,H,OH(I) + 2003(g) AS c. 2 NH3(g) + CO2(g) → H2O(l) + NH CONH3(aq) AS d. Cu(s) (at 100°C) → Cu(s) (at 25°C) AS 2. Which two variables can indicate if a reaction is spontaneous or not? 3. The second law of thermodynamics tells us that: a Energy is conserved. b. The entropy of...
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