Original: The total reaction is thus 2 H2 + O2 - > 2 H2O Examples of Physical Coefficients Coefficient of Thermal Expansion ( thermodynamics ) ( dimensionless ) - Relates the change in temperature to the change in a material 's dimensions .
Simplified: Examples of Physical Coefficients Coefficient of Thermal Expansion ( thermodynamics ) ( dimensionless ) - Relates the change in temperature to the change in a material 's dimensions .