c. The reaction Br₂(→Br₂(g) has AH = 30.91 kJ/mol and AS = 93.3 J/mol-K. Use this information to show (within close agreement) that the boiling point of bromine is 332 K. d. People use propane as fuel for their barbecue grills. The combustion of propane is highly spontaneous at all temperatures. What keeps barbecue grills from catching fire the minute they are turned on? (
c. The reaction Br₂(→Br₂(g) has AH = 30.91 kJ/mol and AS = 93.3 J/mol-K. Use this information to show (within close agreement) that the boiling point of bromine is 332 K. d. People use propane as fuel for their barbecue grills. The combustion of propane is highly spontaneous at all temperatures. What keeps barbecue grills from catching fire the minute they are turned on? (
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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only answer part c and d
Transcribed Image Text:Question 6: Gibbe Free Energy
a. What is the Gibbs free energy at 298 K for the formation of methane: C(s) +
2H₂(g) → CH₂(g)? Where:
AH=-74.85 kJ/mol
AS-80.84 J/(mol-K)
Is the reaction spontaneous at 298 K (room temperature)? (
b. When NaCl (table salt) dissolves in water, the reaction is endothermic. Yet,
when added to water, it dissolves easily (spontaneously) without added energy.
How can this be? (
Transcribed Image Text:c. The reaction Br₂(→Br₂(g) has AH= 30.91 kJ/mol and AS= 93.3 J/mol-K. Use
this information to show (within close agreement) that the boiling point of
bromine is 332 K.
d. People use propane as fuel for their barbecue grills. The combustion of
propane is highly spontaneous at all temperatures. What keeps barbecue grills
from catching fire the minute they are turned on? (
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