
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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sifı the absolute entropy for Oz (g)
is u26 07 Coiole k), what-i3 the AS
forithe CompleteoCom bustionsof
C2 Hy (a)? Albrof ithereactantso Gnd
products for this reaction are in
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- # Consider the reaction 20 E D 2NH3(g) + 3N₂O(g) → 4N2(g) + 3H₂O(g) for which AH = -879.5 kJ and AS = 288.1 J/K at 298.15 K. 1. Calculate the entropy change of the UNIVERSE when 1.642 moles of NH3 (9) react under standard conditions at 298.15 K. $ Submit Answer 4 ASuniverse J/K 2. Is this reaction reactant or product favored under standard conditions? 3. If the reaction is product favored, is it enthalpy favored, entropy favored, or favored by both enthalpy and entropy? If the reaction is reactant favored, choose 'reactant favored'. 000 000 R F do L % [Review Topics] [References] Use the References to access important values if needed for this question. 5 O Retry Entire Group T Cengage Learning Cengage Technical Support G ‹ 6 8 more group attempts remaining Y H & 7 U 8 J 1 ( 9 K O O L P > Previous Email Instructor Save and Exit + 11 ( Next ? 11 } ] darrow_forwardGiven the following line of best fit, determine the values for enthalpy and entropy for this reaction. y = -14406x + 45.076 ΔΗ 1 R T Remember: InK sp AS R Part A - Solve for AH. Report your answer in kJ/mol. ? Submit Request Answer Part B - Solve for AS. Report your answer in J/ mol K | ? Submit Request Answerarrow_forwardQ 10 pleasearrow_forward
- What is A H°rxn _for the following reaction, if given the three known reactions below: 2CO2 (g) + 3H2O (1) --> C2H, (g) + 02 (g); A H°rxn kJ (input numeric answer only) Given data: 2C (s, graphite) + 3H2 (g) --> C2H6 (g) A H°1= -68.29 kJ C (s, graphite) + O2 (g) --> CO2 (g) A H°2 = -393.5 kJ H2 (g) + O2 (g) --> H2O (I) A H°3= -285.8 kJarrow_forwardAnswer letter a,b,c,d, and e pls.arrow_forwardThe figure below shows a gas going through a cyclic process A - B-C+ A. During the process B - C, the heat is transferred out of the system and during the process C- A, the internal energy decreases. P (kPa) 8. B 4. 2 C V (m) 10 8 (a) Determine the sign associated with Q, W, and AEt for the process B - C. Won the gae) Q AEnt B+C (b) Determine the sign associated with Q, W, and AEt for the process C - A. W. "(on the gan) ΔΕ C-A (c) Determine the sign associated with Q, W, and AEnt for the process A - B. Won the gas) Q AEint A -Barrow_forward
- Be sure to answer all parts. Predict whether the entropy change is positive or negative for each of these reactions: (a) Zn(s) + 2HCI(aq) S ZnCl2(aq) + H2(g) positive negative (b) O(g) + O(g) 5 02g) O positive negative (c) NH,NO3(s) N20(g) + 2H2O3) O positive negativearrow_forwardPlease see the picture attached. Thanks!arrow_forwardWhat is A H°rxn for the following reaction, if given the three known reactions below: 2C4H4 (g) + N2 (g) --> C6H6 (1) + 2HCN; A H°exn kJ (input numeric answer only) Given data: 6C (s, graphite) + 3H2 (g) --> C6H, (g) A H°1= +49.0 kJ 4C (s, graphite) + 2H2 (g) --> C4H4 (g) A H°2 = +326.0 kJ H2 (g) + 2C (s, graphite) + N2 (g)--> 2HCN (g) A H°3= -135.8 kJarrow_forward
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