**Question 24**Gold has a melting point of 1338 K with ΔH°_fus = 12.7 kJ/mol and boils at 3080 K with ΔH°_vap = 310 kJ/mol. Given the specific-heat capacities (in J/g K) of Au(s), Au(l), and Au(g) are 0.131, 0.149, and 0.0632, respectively, how much heat (J) is required to convert 2.15 g Au(s) at 1000 K to liquid at 1500 K?- (A) 160 J- (B) 12.8 J- (C) 81.1 J- (D) 285 J**Question 25**Which is the oxidizing agent in the reaction below?\[ \text{Cr}_2\text{O}_7^{2-} + 6 \text{S}_2\text{O}_3^{2-} + 14 \text{H}^+ \rightarrow 2 \text{Cr}^{3+} + 3 \text{S}_4\text{O}_6^{2-} + 7 \text{H}_2\text{O} \]- (A) Cr₂O₇²⁻

Answered: Image /qna-images/answer/1759a378-ed83-4b65-8c0f-c3cdc5710d6b.jpg

Canvas Question 24 Gold has a melting point Of 1338 K with AH°fus = 12.7 kJ/mol and boils at 3080 K with AH°vap = 310 kJ/mol. Given the specific-heat capacities (in J/g K) of Au(s), Au(I), and Au(g) are 0.131, 0.149, and 0.0632, respectively, how much heat (J) is requires to convert 2.15 g Au(s) at 1000 K to liquid at 1500K? 160. J Å 12.8 J O 81.1 J O 285 J Question 25 Which is the oxidizing agent in the reaction below? Cr₂O72- + 6 S₂032 + 14 H+ 2 Cr³+ + 3 S4062 +7 H₂O 0₂²- MacBook Pro ( 9 P

Canvas Question 24 Gold has a melting point Of 1338 K with AH°fus = 12.7 kJ/mol and boils at 3080 K with AH°vap = 310 kJ/mol. Given the specific-heat capacities (in J/g K) of Au(s), Au(I), and Au(g) are 0.131, 0.149, and 0.0632, respectively, how much heat (J) is requires to convert 2.15 g Au(s) at 1000 K to liquid at 1500K? 160. J Å 12.8 J O 81.1 J O 285 J Question 25 Which is the oxidizing agent in the reaction below? Cr₂O72- + 6 S₂032 + 14 H+ 2 Cr³+ + 3 S4062 +7 H₂O 0₂²- MacBook Pro ( 9 P

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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