exothermic


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exothermic

 [ek″so-ther´mik]
marked or accompanied by the evolution of heat; liberating heat or energy.

ex·o·ther·mic

(ek'sō-ther'mik),
1. Denoting a chemical reaction during which heat (that is, enthalpy) is emitted. Compare: endothermic.
2. Relating to the external warmth of the body.
[exo- + G. thermē, heat]

exothermic

/exo·ther·mic/ (-ther´mik) marked or accompanied by evolution of heat; liberating heat or energy.

exothermic

indicating a chemical process accompanied by the release of heat, such as the loss of body surface heat.

ex·o·ther·mic

(eks'ō-thĕr'mik)
1. Denoting a chemical reaction during which heat (i.e., enthalpy) is emitted.
Compare: endothermic
2. Relating to the external warmth of the body.
[exo- + G. thermē, heat]

exothermal, exothermic

marked or accompanied by the evolution of heat; liberating heat or energy.
References in periodicals archive ?
In contrast, exothermic peak temperatures of the studied kaolins were lower than those for Makoro and Kgwakgwe.
350[degrees]C the signal of measuring thermocouple detects mainly endothermic processes corresponding to reactions (4) and (6), showing almost no exothermic processes implemented in the gas phase.
Beyond 250 o C, very pronounced exothermic peaks are originating in both the curves till 500 o C.
8%) of the anhydrous compound (Figure 1b) observed between 260-395[degrees]C corresponding to the endothermic peak at 311[degrees]C and exothermic at 357[degrees]C (Figure 2b), which are attributed to the thermal decomposition that occurs initially without oxidative process followed by oxidative process.
Specific case of such nonlinear system is an exothermic chemical reactor.
Two chemical blowing agents (CBA) supplied by Clariant were used in this study; an endothermic type masterbatch, Hydrocerol[R] HK40E (major constituents being an alkali carbonate, citric acid, and citric acid esters in a carrier resin), and an exothermic type masterbatch, Hydrocerol 1191 (the major constituent being azodicarbonamide in a carrier resin).
It helps if you know the formula for a polyatomic ion, the common name for the antineuritic vitamin (thiamine), what an exothermic reaction is, and if you can work out complicated chemistry formulas and mathematical equations in your head in seconds.
APPLICATION: Knowing the magnitude and generation rate of the exothermic heat is important for the proper control of digesters.
Bonus Question: Is Hell exothermic (gives off heat), or endothermic (absorbs heat)?
It rapidly measures the exothermic heat reaction from a polymerizing sample through a sensitive sensor.
An exothermic chemical reaction, similar to Natick's Flameless Ration Heater, provides the heat needed to raise the temperature of the food from 40 degrees F to 140 F.
A song set to the tune of Yankee Doodle covers the exothermic process.