1. The magnitude of any enthalpy change depends on the conditions of temperature, pressure and state of the reactants and products. The more disordered the system, the smaller the entropy. 2. ASsys > 0 is an equation that represents the Second Law of Thermodynamic. The equation Sgas = 0 represents the entropy of the substance. 3. Entropy changes cannot be measured with a calorimeter like enthalpy changes. If the result upon calculation of entropy changes in the universe is a positive value, the process reactant-favored. 4. Thermodynamics is a branch of physical chemistry that deals with thermal changes. Thermochemistry determines the quantities of energy emitted or absorbed. 5. Changes that seem to happen by themselves in one direction are spontaneous reactions. The entropy of the universe decreases in a spontaneous process.
1. The magnitude of any enthalpy change depends on the conditions of temperature, pressure and state of the reactants and products. The more disordered the system, the smaller the entropy. 2. ASsys > 0 is an equation that represents the Second Law of Thermodynamic. The equation Sgas = 0 represents the entropy of the substance. 3. Entropy changes cannot be measured with a calorimeter like enthalpy changes. If the result upon calculation of entropy changes in the universe is a positive value, the process reactant-favored. 4. Thermodynamics is a branch of physical chemistry that deals with thermal changes. Thermochemistry determines the quantities of energy emitted or absorbed. 5. Changes that seem to happen by themselves in one direction are spontaneous reactions. The entropy of the universe decreases in a spontaneous process.
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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answer number 1 to 5 pls. and follow the direction on the first picture
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