Skip to main content
Back

SI Units definitions

Control buttons has been changed to "navigation" mode.
1/15
  • Kilogram
    Standard unit for measuring mass, essential for quantifying substances in analytical chemistry.
  • Meter
    Fundamental unit for measuring length, forming the basis for spatial measurements in experiments.
  • Second
    Primary unit for measuring time, crucial for rate and kinetic studies in chemical processes.
  • Kelvin
    Absolute temperature scale used in scientific calculations, avoiding negative values for thermodynamic work.
  • Mole
    Represents a specific quantity of particles, central to stoichiometry and chemical equations.
  • Ampere
    Unit for electrical current, defined as charge flow per second, vital in electrochemistry.
  • Hertz
    Unit for frequency, expressed as cycles per second, often used in electromagnetic spectrum analysis.
  • Newton
    Unit for force, derived from mass, length, and time, foundational in pressure and energy calculations.
  • Pascal
    Unit for pressure, defined as force per unit area, commonly used instead of atmospheres in SI.
  • Joule
    Unit for energy, work, or heat, applied in thermodynamics and calculations involving enthalpy or entropy.
  • Coulomb
    Unit for electrical charge, representing the quantity of electricity transported by one ampere in one second.
  • Watt
    Unit for power, indicating the rate of energy transfer or work done per second.
  • Voltage
    Unit for electric potential difference, essential for understanding energy changes in electrochemical cells.
  • Stoichiometry
    Branch of chemistry focused on quantitative relationships between reactants and products using SI units.
  • Gibbs Free Energy
    Thermodynamic quantity predicting reaction spontaneity, often calculated using joules in SI.