Homework Answers
The best indicator of spontaneity in a reaction is the change in entropy (S or DS), the second law of thermodynamics states that for a reaction to be spontaneous, their must be an increase in entropy
Option C is the answer
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The best criterion for the spontaneity of a chemical reaction is the sign of Οa. ΔΗ...
of spontaneity to deduce the signs . Use the observations about each chemical reaction in the...
of spontaneity to deduce the signs . Use the observations about each chemical reaction in the table below to decide the sign (positive or negative) of the reaction enthalpy ΔΗ and reaction entropy AS This reaction is only below 146C
44" What is the sign of ΔΗ (system) and AS (system) if a chemical reaction is...
44" What is the sign of ΔΗ (system) and AS (system) if a chemical reaction is spontaneous at all temperatures under stan conditions? a. AH (system) is negative, and ΔS (system) is positive. b. AH (system) is negative, and AS (system) is negative. C. AH (system) is positive, and AS (system) is positive. d. AH (system) is positive, and AS (system) is negative. e. none of these 45. For which of the following reactions will the entropy of the system...
Use the observations about each chemical reaction in the table below to decide the sign (positive or negative) of the r...
Use the observations about each chemical reaction in the table below to decide the sign (positive or negative) of the reaction enthalpy AH and reaction entropy AS. Note: if you have not been given enough information to decide a sign, select the "unknown" option observations conclusions reaction ΔΗ is (pick one) The reverse of this reaction is always spontaneous. A As is (pick one) This reaction is spontaneous except below ΔΗ is (pick one) 38. °C but proceeds at a...
For the spontaneous chemical reaction that takes place in a voltaic cell, the sign of AG...
For the spontaneous chemical reaction that takes place in a voltaic cell, the sign of AG is and electrons flow from the to the a) negative, anode, cathode b) positive, anode, cathode c) negative, cathode, anode d) positive, cathode, anode a
Which of the following describes the temperature dependence of the spontaneity of the reaction below? 2H202(0)...
Which of the following describes the temperature dependence of the spontaneity of the reaction below? 2H202(0) 2H2O()+02(g) ΔΗ--196kl mol-1, AS-126 J K-1 mol-i Select the correct answer below: 0 O O O nonspontaneous at all temperatures spontaneous at all temperatures spontaneous at high temperatures and nonspontaneous at low temperatures spontaneous at low temperatures and nonspontaneous at high temperatures
Consider the following reaction: 6.20 Br +HBr (a) Use Table 6.1 to estimate ΔΗ for this reaction. (b) AS of this reaction is positive. Explain. (c) Determine the sign of AG. (d) Is the sig...
Consider the following reaction: 6.20 Br +HBr (a) Use Table 6.1 to estimate ΔΗ for this reaction. (b) AS of this reaction is positive. Explain. (c) Determine the sign of AG. (d) Is the sign of AG dependent on temperature? (e) Is the magnitude of AG dependent on temperature? Go Tools Window Help :) 72%-) Tue Apr 30 10:38 A. 1 5492r25660150abebaf41ebet.pdf (page 248 of 1,319) TABLE 6.1 BOND DISSOOAmON ENERGIES (M.ฯ OF COMMON BONDS K/MOL KCAL/MO 92 117 НС-о-сн,...
part a spontaneity What can be said about the spontaneity ofthis reaction? The reaction (as w...
part a spontaneity What can be said about the spontaneity ofthis reaction? The reaction (as written) is spontaneous. The reverse reaction is spontaneous. the system is in equilibrium at 298 K. Part b What is the standard Gibbs free energy forthis reaction? = Part c What is the Gibbs free energy for thisreaction at 3200 ? Assume that and do not change withtemperature. = Part d At what temperature do the forward and reverserusting reactions occur in equilibrium? Express your...
O ENTROPY AND FREE ENERGY Using the conditions of spontaneity to deduce the signs Use the observations about each c...
O ENTROPY AND FREE ENERGY Using the conditions of spontaneity to deduce the signs Use the observations about each chemical reaction in the table below to decide the sign (positive or negative) of the reaction enthalpy All and reaction entropy AS. Note: If you have not been given enough information to decide a sign, select the "unknown" option. reaction observations conclusions AN IS pick one o The reaction is never spontaneous AS is lick on AN IS lick on This...
For each chemical reaction sted in the first column of the table below, predict the sign...
For each chemical reaction sted in the first column of the table below, predict the sign positive or negative of the reaction entropy ?Snun 1 it's not possible to decide with the information given, check the "not enough information" button in the last column. Note for advanced students: Assume the temperature remains constant. Assume all gases and solutions are ideal reaction sign of reaction entropy O not enough information. Zn (s) + 2HCl (ag) ? Znci2 (aq) + H2 (g)...
chemical reaction breakdown or buildup? help please!!! thank you CHEMICAL REACTION break down? or build up?...
chemical reaction breakdown or buildup? help please!!! thank
you
CHEMICAL REACTION break down? or build up? catabolic or anabolic? energy released? or energy required? AG>O? or AG<0? spontaneous? or not spontaneous? reaction? - H H-C-OH нсон reaction?
of spontaneity to deduce the signs . Use the observations about each chemical reaction in the table below to decide the sign (positive or negative) of the reaction enthalpy ΔΗ and reaction entropy AS This reaction is only below 146C
44" What is the sign of ΔΗ (system) and AS (system) if a chemical reaction is spontaneous at all temperatures under stan conditions? a. AH (system) is negative, and ΔS (system) is positive. b. AH (system) is negative, and AS (system) is negative. C. AH (system) is positive, and AS (system) is positive. d. AH (system) is positive, and AS (system) is negative. e. none of these 45. For which of the following reactions will the entropy of the system...
Use the observations about each chemical reaction in the table below to decide the sign (positive or negative) of the reaction enthalpy AH and reaction entropy AS. Note: if you have not been given enough information to decide a sign, select the "unknown" option observations conclusions reaction ΔΗ is (pick one) The reverse of this reaction is always spontaneous. A As is (pick one) This reaction is spontaneous except below ΔΗ is (pick one) 38. °C but proceeds at a...
For the spontaneous chemical reaction that takes place in a voltaic cell, the sign of AG is and electrons flow from the to the a) negative, anode, cathode b) positive, anode, cathode c) negative, cathode, anode d) positive, cathode, anode a
Which of the following describes the temperature dependence of the spontaneity of the reaction below? 2H202(0) 2H2O()+02(g) ΔΗ--196kl mol-1, AS-126 J K-1 mol-i Select the correct answer below: 0 O O O nonspontaneous at all temperatures spontaneous at all temperatures spontaneous at high temperatures and nonspontaneous at low temperatures spontaneous at low temperatures and nonspontaneous at high temperatures
Consider the following reaction: 6.20 Br +HBr (a) Use Table 6.1 to estimate ΔΗ for this reaction. (b) AS of this reaction is positive. Explain. (c) Determine the sign of AG. (d) Is the sign of AG dependent on temperature? (e) Is the magnitude of AG dependent on temperature? Go Tools Window Help :) 72%-) Tue Apr 30 10:38 A. 1 5492r25660150abebaf41ebet.pdf (page 248 of 1,319) TABLE 6.1 BOND DISSOOAmON ENERGIES (M.ฯ OF COMMON BONDS K/MOL KCAL/MO 92 117 НС-о-сн,...
O ENTROPY AND FREE ENERGY Using the conditions of spontaneity to deduce the signs Use the observations about each chemical reaction in the table below to decide the sign (positive or negative) of the reaction enthalpy All and reaction entropy AS. Note: If you have not been given enough information to decide a sign, select the "unknown" option. reaction observations conclusions AN IS pick one o The reaction is never spontaneous AS is lick on AN IS lick on This...
For each chemical reaction sted in the first column of the table below, predict the sign positive or negative of the reaction entropy ?Snun 1 it's not possible to decide with the information given, check the "not enough information" button in the last column. Note for advanced students: Assume the temperature remains constant. Assume all gases and solutions are ideal reaction sign of reaction entropy O not enough information. Zn (s) + 2HCl (ag) ? Znci2 (aq) + H2 (g)...
chemical reaction breakdown or buildup? help please!!! thank
you
CHEMICAL REACTION break down? or build up? catabolic or anabolic? energy released? or energy required? AG>O? or AG<0? spontaneous? or not spontaneous? reaction? - H H-C-OH нсон reaction?
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