# Boltzmann Equation

Science / Chemistry / Boltzmann Equation: A statistical definition of entropy, given by S = k ln W, where S and k are the entropy and Boltzmann's constant, respectively, and W is the probability of finding the system in a particular state.

### Regression Equation

Business / Finance / Regression Equation: An equation that describes the average relationship between a dependent variable and a set of explanatory variables. MORE

Technology / Radar / Radar Range Equation (RRE): The radar range equation (rre) relates the range performance of a radar system to other radar components and their characteristics. MORE

### Net Ionic Equation

Science / Chemistry / Net Ionic Equation: A net ionic equation is an ionic equation with all DEFINE[spectator ions'>spectator ions eliminated. For example, Ag+(aq) + NO3-(aq) + Na+(aq) + Cl-(aq) = agcl(s) + Na+(aq) + NO3-(aq) is an ionic equa MORE

### Molecular Equation

Science / Chemistry / Molecular Equation: A molecular equation is a balanced chemical equation in which ionic compounds are written as neutral formulas rather than as ions. For example, agno3(aq) + nacl(aq) = agcl(s) + nano3(aq) is a molecula MORE

### Revised Universal Soil Loss Equation (RUSLE)

Business / Agriculture / Revised Universal Soil Loss Equation (RUSLE): Revisions to the universal soil loss equation implemented in the mid 1990s to more accurately predict soil erosion caused by water. It includes the same factors as the earlier formula: climate, soils, MORE

### Thermochemical Equation

Science / Chemistry / Thermochemical Equation: An compact equation representing a chemical reaction that describes both the stoichiometry and the energetics of the reaction. For example, the thermochemical equation CH4(g) + 2 O2(g) rightarrow CO2( MORE