Wiktionary
n. (plural of chemical reaction English)
Usage examples of "chemical reactions".
We have seen that there are definite limits to the energy produced by chemical reactions.
And we should be aware that by the word 'chemistry' in this connexion we mean something much more far-reaching than those chemical reactions which we can bring about by the reciprocal affinity of physical substances, however complicated these reactions may be.
But in laboratories, lasers are now being used to drive chemical reactions with narrowband energy, at just the absorption wavelength of the molecule required.
It includes ways to make chemical reactions occur, ways to breed fish, plant forests, light theaters, count votes or teach history.
They made possible chemical reactions that otherwise would not occur.
Enzymes, the matchmakers of life, helped chemical reactions to go forward at body temperature and atmospheric pressure.
The 'nuclear reactions' involved require much higher energy levels, per atom, than you need for chemical reactions, which is why the old-time alchemists never managed to turn lead into gold.
Hydrogen and oxygen happen to be the two most abundant elements in the universe, apart from helium which doesn't undergo chemical reactions.
It may be that chemical reactions reduced the amount of carbon dioxide and other greenhouse molecules in the atmosphere, and the Earth cooled.
It would appear that the designers had hit upon a simple observation: all known forms of life depend upon chemical reactions.
They had fewer expectations now than right after the synthesis, because Frog Eggs behaved like a living thing in the respect that, just as living matter utilized the energy of chemical reactions exclusively for itself, so did Frog Eggs not allow any expropriation of its nuclear energy.
The dust and raw melange were being sucked down, turned over by convection currents and chemical reactions.