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  2. Lye - Wikipedia

    en.wikipedia.org/wiki/Lye

    Solutions containing lyes can cause chemical burns, permanent injuries, scarring and blindness, immediately upon contact. Lyes may be harmful or even fatal if swallowed; ingestion can cause esophageal stricture. Moreover, the solvation of dry solid lye is highly exothermic and the resulting heat may cause additional burns or ignite flammables.

  3. Insect thermoregulation - Wikipedia

    en.wikipedia.org/wiki/Insect_thermoregulation

    The pre-flight warm-up behavior of a moth. Insect thermoregulation is the process whereby insects maintain body temperatures within certain boundaries.Insects have traditionally been considered as poikilotherms (animals in which body temperature is variable and dependent on ambient temperature) as opposed to being homeothermic (animals that maintain a stable internal body temperature ...

  4. Exothermic reaction - Wikipedia

    en.wikipedia.org/wiki/Exothermic_reaction

    In thermochemistry, an exothermic reaction is a "reaction for which the overall standard enthalpy change ΔH⚬ is negative." [ 1 ] [ 2 ] Exothermic reactions usually release heat . The term is often confused with exergonic reaction , which IUPAC defines as "... a reaction for which the overall standard Gibbs energy change Δ G ⚬ is negative."

  5. Thermochemistry - Wikipedia

    en.wikipedia.org/wiki/Thermochemistry

    The temperature of the chamber is monitored either using a thermometer or thermocouple, and the temperature plotted against time to give a graph from which fundamental quantities can be calculated. Modern calorimeters are frequently supplied with automatic devices to provide a quick read-out of information, one example being the differential ...

  6. Ectotherm - Wikipedia

    en.wikipedia.org/wiki/Ectotherm

    Endotherms cannot, in general, afford such long periods without food, but suitably adapted ectotherms can wait without expending much energy. Endothermic vertebrate species are therefore less dependent on the environmental conditions and have developed a higher variability (both within and between species) in their daily patterns of activity.

  7. Thermochemical equation - Wikipedia

    en.wikipedia.org/wiki/Thermochemical_equation

    Thermochemical equations can be changed, as mentioned above, by multiplying by any numerical coefficient. All agents must be multiplied, including Δ H {\displaystyle \Delta H} . Using the thermochemical equation of variables as above, one gets the following example.

  8. Cold plunge or a hot bath? New study suggests which has more ...

    www.aol.com/cold-plunge-hot-bath-study-110000608...

    Both can have an impact on blood flow to the muscles. Hot water improves blood flow, which can carry away waste products associated with exercise, Putrino said. Cold, on the other hand, can ...

  9. Exothermic process - Wikipedia

    en.wikipedia.org/wiki/Exothermic_process

    According to the IUPAC, an exothermic reaction is "a reaction for which the overall standard enthalpy change ΔH⚬ is negative". [4] Some examples of exothermic process are fuel combustion, condensation and nuclear fission, [5] which is used in nuclear power plants to release large amounts of energy. [6]