Static condition in which no changes occur in the macroscopic properties of a system with
time
equilibrium
1/41
| Term | Definition |
|---|---|
| Static condition in which no changes occur in the macroscopic properties of a system with time | equilibrium |
| Condition when a boiling liquid mixture produces a vapor of exactly the same composition as it evaporates | azeotrope |
| An enthalpy-entropy diagram is also call this | Mollier diagram |
| The third law of thermodynamics specifies this property as zero for perfect crystalline substances at absolute zero temperature | entropy |
| A constant volume process is also called this | isochoric process |
| This chart contains the dry bulb temperature, the humidity ratio, the wet bulb temperature, relative humidity, saturation temperature, and the enthalpy of dry air | psychrometric chart |
| This is equal to H – TS | Gibbs Free Energy (G) |
| This factor is used to account for deviations from ideal behavior in a liquid mixture of chemical substances | activity coefficient |
| This law states that as the temperature approaches 0 K, the entropy of the system approaches a minimum value | third law of thermodynamics |
| This is the most common engine cycle that does not use a spark | diesel engine |
| The transfer of energy from one object to a cooler object | heat |
| This is given by the following P = RT/(V-b) + a/V^2 | Van der Waal’s Equation of State |
| The temperature at which a vapor mixture begins to condense at a fixed pressure | Dew Point Temperature |
| This is given by (dT/dP)_H | Joule-Thomson Coefficient |
| A cycle which consists of the following steps: adiabatic/isobaric/adiabatic/isochoric | Diesel Cycle |
| This parameter is given by -(dG/dT)_P | Entropy (S) |
| This parameter is given by U – TS | Helmholtz Free Energy (A) |
| A variable that is independent of the path between two states | state variable |
| This is given by the following: F = 2 – π + N | Gibb’s Phase Rule |
| A cycle which consists of the following steps: Adiabatic/isochoric/adiabatic/isochoric | Otto cycle |
| The measure of disorder in a system | entropy |
| The molecules of an ideal gas are assumed to have no volume or ______ | intermolecular interactions |
| The most efficient engine | Carnot engine |
| This number of intrinsic properties needed to be determined to fully specify a two-phase single component system | 1 |
| This law states that in a mixture of non-reacting gases, the total pressure exerted is equal to the sum of the partial pressures of the individual gases | Dalton’s Law |
| Cp – Cv equals this for an ideal gas | R |
| This, according to the Gibbs’ Phase Rule, is the degrees of freedom for pure liquid water (1 phase) | 2 |
| This is point “P” on the following representation of LLE data (P is located on the half sphere in the triangle) | Plait Point |
| The temperature at which the first bubble of vapor is formed when heating a liquid at a fixed pressure | bubble point temperature |
| This is given by the following: PV = a + bP + cP2 + ... | Virial Equation of State |
| A cycle that consists of the following steps: adiabatic/isothermal/adiabatic/isothermal | Carnot Cycle |
| A process in which volume is held constant | Isochoric Process |
| This is given by (1/V)(∂V/∂T)p | volume expansivity (β) |
| This equation, which follows directly from the Gibbs-Duhem equation of a binary system, is given by the following dP/dy1 = P(y1 - x1) / y1(1 - y1) | coexistence equation |
| A cycle which consists of the following steps: isothermal/isochoric/ isothermal /isochoric | Stirling cycle |
| This law is an expression of the fact that the enthalpy of a chemical process is independent of the path taken | Hess’s law |
| Name of this equation: ln(Psat) = A – B/(T+C) | Antoine’s Equation |
| This branch of thermodynamics applies microscopic analysis based on probability to evaluate macroscopic properties | statistical thermodynamics |
| This equation of state is given by the following equation P = (RT/(V - b)) - (a/(V^2 + 2bV - b^2)) | Peng-Robinson Equation of State |
| A set of equations derived by application of Euler’s reciprocity relation to the thermodynamic characteristic functions | Maxwell Equations |
| Parameter given by 1/V(dV/dP)_T | compressibility (κ) |