Sentences with word «exothermic»

«The rapid exothermic reaction of potassium superoxide with the salt solutions results in the formation of insoluble oxide or hydroxide nanoparticulates.»

Another creation envisioned dropping an edible chemical compound into a tea cup that would automatically heat the water surrounding a tea bag through the release of exothermic energy as the chemical compound dissolved.

A hybrid rocket propulsion system comprises propellants of two different states of matter, the most common configuration being a rocket engine composed of a solid propellant lining a combustion chamber into which a liquid or gaseous propellant is injected so as to undergo a strong exothermic reaction to produce hot gas that is emitted through a De Laval nozzle for propulsive purposes.

Initially, the process is endothermic (absorbing heat), but at around 175 °C (347 °F) it becomes exothermic (giving off heat).

We showed this step doesn't occur, and that the overall reaction is slightly exothermic.»

None of the catalysts are consumed and the reaction is actually exothermic, meaning it produces heat.

ZPower's batteries also offer the advantage of being immune to «exothermic decomposition» (also known as «bursting into flames»), a problem that has prompted the recall of millions of lithium - ion batteries worldwide, not to mention some spectacular YouTube videos.

«So it's not surprising that when the water [was] no longer circulating that the water was actually boiled off in a zirconium exothermic reaction, that the zirconium burned» (occurring at about 1,800 degrees Celsius).

The researchers offered possible electrochemical processes that might explain the heat, including irregularities in the electrochemical cell, possible unknown exothermic chemical reactions, or the recombination of split - apart hydrogen and oxygen atoms of water.

Exothermic Sodium Acetate is the chemical used in most of the chemical heating pads.

There is a lot more going on in «Carol» than the love story, or rather the love story is not only about its two exothermic participants.

Also included is a simple worksheet on exothermic and endothermic reactions which can be used as part of the circus as well.

Tropopause exothermic ozone conversion accelerates the jet streams and elongates the Rossby wave loops, exacerbating extreme weather patterns.

Two lessons (both in the same PPT) which develop student science skills and understanding of exothermic and endothermic reactions.

If added to water, it becomes sodium and hydroxyl ions and creates a strong exothermic (heat creating) reaction.

A fully detailed lesson plan on Endothermic and Exothermic reaction including Starter, main activity, assessment and plenary

A process which is becoming more ordered is exothermic and it occurs at a sufficiently low enough temperature., as in the case of a snowflake.

Teacher: ``... an exothermic reaction.

The resulting blister lasted several days, Moorhouse says, leaving the boys with an indelible memory of what an exothermic reaction was.

In addition, at 314 GPa an exothermic reaction between carbonic acid and water is possible, resulting in orthocarbonic acid (H4CO4).

«The heat values will be high for months — high enough to cause an exothermic reaction.

Fission of heavy elements is an exothermic reaction and can release substantial amounts of useful energy both as gamma rays and as kinetic energy of the fragments (heating the bulk material where fission takes place).

Once a cell is operating, the exothermic chemical reaction keeps the heat on.

It's a chemical combustion reaction, a exothermic reaction, producing energy of 572 kJ.

Upon reaching a suitable density, energy generation is begun at the core using an exothermic nuclear fusion process that converts hydrogen into helium.

The main drawback with erythritol is that it has a cooling effect when it mixes with fat due to the fact that it is exothermic.

What makes the product so disturbing, beyond the usual suspects (Scary Seven ingredients including high fructose corn syrup, artificial colors and flavors), is, as you might have guessed, the futuristic sounding «exothermic reaction.»

«It also reinforced topics we had already covered in class, like enzymes, endothermic and exothermic reactions, and chromatography.»

In the seventh grade, we are collaborating with my colleague Mary Ann Devine, a science teacher, who has dreamed up a unit involving the study of endothermic and exothermic reactions.

The areas of focus are: exothermic and endothermic reactions, reaction profiles, energy changes of reactions, cells and batteries and fuel cells.

The unit test includes rate graph - reading, balancing equations, bond energy calculations, factors affecting rate, exothermic and endothermic reactions and enthalpy change diagrams.

Whilst the parents remembered some key facts like pH values and the difference between exothermic and endothermic reactions, they struggled to recall Newton's Laws or the meaning of terms like «Oxygen debt».

How metals react with water, oxygen and acids, displacement reactions, balancing, exothermic / endothermic, revision

I have delivered term papers, dissertations, assignments, case studies on several topics and some of them are Atomic Theory, Ionic Bonding, Endothermic & Exothermic Reactions, Citric Acid Cycle, etc..

Every herptile, being exothermic, needs to have a range of available temperatures within its cage in order to thrive.

Hibana, an Attacker, is equipped with an exothermic charge launcher capable of breaching reinforced walls.

Results show that the ΔH for the CH3S (O)(O) O • + H2O reaction is +6 kcal · mol − 1, consistent with earlier studies showing that the reverse reaction is exothermic (34).

[unless precipitating invisible, undetectable fairy dust is an exothermic reaction?]