bomb calorimeter
Heat measurement device
A bomb calorimeter is a device that measures the heat released when a substance burns completely.
The sample is sealed in a strong metal container (the "bomb"), surrounded by water, and ignited electrically.
The temperature change in the water reveals the substance's energy content.
Used in chemistry and nutrition to determine caloric values of foods and fuels.
Element eight, colorless gas
- ignitionStarting combustion process
- burningCombustion in progress
- flameBurning gas made visible
- oxidationLosing electrons chemically
exothermic · fuel · sample · pellet · carbon dioxide · water vapor · ash · combustibles
Measuring heat in reactions
- enthalpyThermodynamic total heat quantity
- heat capacityEnergy to raise temperature
- jouleSI energy quantity
- energyPower to do work
specific heat · latent heat · calibration · accuracy · precision · repeatability · quantitative · data
Receptacle for contents
- jacketSleeved upper-body covering
- insulatedShielded from heat loss
- water bathHeated vessel within vessel
- thermometerHeat-measuring instrument
stirrer · pressure vessel · fuse wire · crucible · electrodes · temperature sensor · digital readout
Movement of thermal energy
- thermal equilibriumEqual temperature throughout system
- temperature riseIncrease in heat level
- heat capacityEnergy to raise temperature
- heat exchangeEnergy flow between temperatures
oxygen
Element eight, colorless gas
oxidation · exothermic · fuel · sample · pellet · carbon dioxide · water vapor · ash · combustibles · stoichiometry
calorimetry
Measuring heat in reactions
- enthalpyThermodynamic total heat quantity
- heat capacityEnergy to raise temperature
- jouleSI energy quantity
energy · specific heat · latent heat · calibration · accuracy · precision · repeatability · quantitative · data · standards
vessel
Receptacle for contents
- jacketSleeved upper-body covering
- insulatedShielded from heat loss
- water bathHeated vessel within vessel
thermometer · stirrer · pressure vessel · fuse wire · crucible · electrodes · temperature sensor · digital readout
heat transfer
Movement of thermal energy
- thermal equilibriumEqual temperature throughout system
- temperature riseIncrease in heat level
- heat capacityEnergy to raise temperature
- thermochemistryenthalpy, exothermic, endothermic, calorimetry, heat capacity
- pressure vesselspressure vessel, compressed air tank, air tank, pressure tank, scuba tank
- thermal instrumentsDMA, thermocouple, thermometer, pyrometer, thermistor
- lab equipmentmicroscope, microscopes, beaker, beakers, test tube
bomb, bombed, bombing, bomber, calories, bombshell, combustible, combustion, calorie