calorimetry

/,kælə'rimitri/

Thân thiện

A scientist performs calorimetry on a chemical reaction in a laboratory.

Definition

1. Noun:
   • The measurement of the amount of heat involved in a chemical reaction or other process: Calorimetry is the scientific process of measuring quantities of heat, such as heat absorbed or released.

Usage

• Calorimetry is used in chemistry, physics, and engineering to determine energy changes.
• It is a key technique for studying thermodynamics and the energy content of fuels and foods.

Examples

• Noun:
  • The experiment involved calorimetry to measure the heat of combustion.
  • Accurate calorimetry is essential for determining the nutritional value of food.
  • They used bomb calorimetry to find the energy content of the sample.

Advanced Usage

• "Isothermal calorimetry": A technique where the temperature of the sample and its surroundings is kept constant during the measurement.
  • Isothermal titration calorimetry is used to study binding interactions in biochemistry.
• "Differential scanning calorimetry (DSC)": A specific analytical technique that measures how a material's heat capacity changes with temperature.
  • Differential scanning calorimetry revealed the polymer's glass transition temperature.

Variants and Related Words

• Calorimeter (n): The device or apparatus used to perform calorimetry.
  • The scientist placed the sample in the calorimeter.
• Calorimetric (adj): Relating to or measured by calorimetry.
  • The calorimetric data was very precise.

Synonyms

• Heat measurement: The act of measuring heat.
• Thermometry: While related, thermometry specifically refers to the measurement of temperature, not the quantity of heat energy.

Related Phrases

• "to perform calorimetry": To carry out a calorimetric measurement.
  • The lab will perform calorimetry on the new compound.
• "calorimetry experiment": An experiment designed to measure heat.
  • The calorimetry experiment yielded unexpected results.

Học thuật

Noun

1. measurement of quantities of heat