Definitions
This is commonly referred to as the measure the disorder or randomness of the particles that make up a system. We know it better in terms of micro states.
What is entropy?
Is this spontaneous? ΔH= -75.9kJ T=273 K ΔS= 138 J/K
What is yes
This type of reaction absorbs heat from its surroundings.
What is endothermic reaction?
This is the heat content of a system at constant pressure
Enthalpy?
ΔG is negative
What is a spontaneous reaction
Is this spontaneous? ΔH= -27.6kJ T=535 K ΔS= -55.2 J/K
This type of reaction releases heat to its surroundings.
What is exothermic?
This is the energy available to do work
Gibbs free energy
ΔH is positive and TΔS is negative
What is nonspontaneous
Is this spontaneous and what is ΔG? ΔH= 635kJ T=388 K ΔS= -55.2 J/K
What is no and 656 kJ/K
This is the definition of spontaneous process
What is a physical or chemical change that occurs with no outside intervention?
In this kind of process, a greater amount of energy is required to break bonds than to form new bonds
Endothermic reaction
What conditions make a reaction ALWAYS spontaneous
What is Negative Enthalpy Change and a positive Temperature times Entropy
The standard free energy change ΔG for the following reaction at 25oC? N2 + 3H2 → 2NH3 The values for ΔH and ΔS is -91.8KJ and -198.0J/K
What is ΔG = -32.8KJ
This process is why non-spontaneous, biological processes go
What is REACTION COUPLING?
This kind of process produces a greater amount of energy than is required to break bonds in initial reaction
Exothermic reaction?
A reaction is spontaneous if this is the sign of ΔH and of TΔS
What is negative for both ΔH and TΔS?
This term means the transfer of energy from one object to another
What is work?