Sentences with phrase «because of chemical reactions»

«This is under very tight biological control because all of the chemical reactions that maintain life depend on it.
For instance, ozone depletion in the atmosphere occurs because of chemical reactions of hydrochloric acid on the surface of ice crystals and aerosols in the upper atmosphere.
After all, milk is only produced because of chemical reactions in the body.
* Just to note: because of the chemical reaction of sunflower seeds to baking soda, the bread will turn green once cooked.
This means, in the worst case the airbag could explode without an electric ignition, because of the chemical reaction of the water and the propellant.
Solubility is not to be confused with the ability to dissolve or liquefy a substance, because the solution might occur not only because of dissolution but also because of a chemical reaction.

Not exact matches

That's because the chemicals in these products can trigger a reaction dubbed multiple chemical sensitivity (MCS), a chronic condition that causes nausea and headaches when sufferers are exposed to even low levels of certain chemicals.
This means that you do not hold to atheism because it is true, but rather because of a series of chemical reactions.
And don't say they are merely chemical reactions that we can observe, because if I put those chemicals into a bowl, I can't say that the bowl is now aware of me and loves me... Nope, there is no objective proofs of the existence of those outside of observing their effects... They're invisible, and yet they exist.
This is because the acid in the recipe curdles the protein in the soy milk and produces butter flavors (probably diacetyl, among others) as part of a chemical reaction.
When you're in a stressful or dangerous situation, your body responds by producing hormones and chemicals as part of the «fight - or - flight» reaction (so named because that's exactly what the body is preparing itself to do — to either fight off the danger or run from it).
Take a look at this little robot, because it's quite unique: The little guy is powered by the (safe and non-toxic) chemical reaction of salt water and charcoal.
The first observation of hydrides both on the surface and in the bulk of ceria was important because it established that the bulk of the material also can participate in chemical reactions.
The reason oxygen isotopes are present in a different pattern is because they are derived from sustained chemical reactions occurring on the surface of the outer solar nebula, rather than from a one - time event.
«The findings are noteworthy not only because this chemical reaction simplifies the laboratory preparation of such species, but also because our study reveals a unique mode of reactivity associated with metal - carbon bonds that are embedded in complex carbon - based structures.
If you think of a reaction as a sequence of many intermediate chemical rearrangements, the easy structural changes should happen quickly while more complicated rearrangements would be slower, because there's a higher energy barrier to making those changes.
That's because the clouds catalyze the reactions that mobilize chlorine into active chemicals that can react in the presence of sunlight to destroy ozone.
That's because much of what happens when a catalyst affects a given chemical reaction is unknown.
First, it has been criticized for not being economically feasible, particularly because of the cost of electricity to make these chemical reactions take place, but this will likely go down as renewable energy becomes widespread over time.
In the same way that plastic building blocks of different sizes and shapes can snap together because they share a simple connector, the chemical building blocks are linked together with one simple reaction.
According to Isao Tanihata, head of the Linearc Laboratory at Japan's Institute of Physical and Chemical Research, the answer is that more boron was created than theorists expected because of a nuclear reaction between lithium and helium in the big bang fireball.
Halas, Rice's Stanley C. Moore Professor of Electrical and Computer Engineering and professor of chemistry, bioengineering, physics and astronomy, and materials science and nanoengineering, said hot electrons are particularly interesting for solar - energy applications because they can be used to create devices that produce direct current or to drive chemical reactions on otherwise inert metal surfaces.
Szostak: Well, chemical reactions are, you know, controlled by the thermodynamics of chemistry by kinetic considerations, but Darwinian evolution is completely different because in our case we are talking about populations with variation and the selection of variants that are more fit, and it's that -LSB-'s] it's repeated and repeated; then better variants come to dominate the population.
He describes LUCA as half - living, because it may have depended on abiotic reactions in the vents to produce many of the chemicals it needed.
Platinum is used as a catalyst in fuel cells, in automobile converters and in the chemical industry because of its remarkable ability to facilitate a wide range of chemical reactions.
Because of that, now we can study measure the rates of the chemical reactions,» said David Osborn, a combustion chemist at Sandia.
This chemical reaction, known as «methanogenesis» because it produces methane as a byproduct, is at the root of the tree of life on Earth, and could even have been critical to the origin of life on our planet.
This is because warmer temperatures and other changes in the atmosphere related to a changing climate, including higher atmospheric levels of methane, spur chemical reactions that lead to ozone.
Because solvents are used by chemists to carry out chemical reactions or observe chemical and biological phenomena, more specific measures of polarity are required.
In addition, ground - level ozone (O3) and secondary particulate matter are often referred to among the CAC because they both are by - products of chemical reactions between the CACs that take place in the atmosphere.
Because laboratory chemical reactions are not usually conducted in chiral environments, they will produce 1:1 (racemic) mixtures of enantiomers.
Progestins such as Provera (medroxyprogesterone acetate) do not undergo the same chemical reactions in our bodies as natural progesterone and they are not as safe to use because of their side effects.
It's all on a super small scale because it's about chemical reactions and that can be pretty complicated but let's consider for a moment that every time we have a thought or a sensation, it's due to a series of chemical reactions in our body's cells.
Seeing sunlight also lowers your stress because the brightness of the light in your eyes causes a chemical reaction that boosts your serotonin levels.
That's because minerals play a catalytic role in the activity of enzymes by initiating the process of many chemical reactions.
Because this test also measures reactions to thirty common naturally occurring and / or chemical food additives I can see where specific classifications * of foods my clients are eating are contributing to their symptoms.
It's arguably the most important mineral for your body because it plays a vital role in hundreds of chemical reactions relating to everything from your metabolism to your sleep cycles and blood pressure.
Because temperature affects the reaction rates of the various chemical processes taking place within a battery, extreme temperature conditions can destroy the balance between the chemical reactions necessary for the battery of the sign to function.
Because of their very short lifetime (a few days) vs. volcanoes (a few years) for identical physico - chemical reactions, their (primary) effect is less than of volcanoes, despite the higher emission rates (secondary and tertiary effects even are far more uncertain).
If you knew the slightest thing about the problem with ozone destroying chemicals, of which the chlorinated freons were prime culprits, you would know that they were a problem because they were supremely stable in the lower atmosphere (pure chlorine not so at all), and were able to transport chlorine to the ozone layer (unlike natural chlorine compounds), whereupon UV light broke them down, released the chlorine, starting a chain reaction destroying the ozone.
In reality, a 100 % increase in the atmosphere is followed by only a 10 % increase of CO2 (in mass) in the upper layer of the oceans, because of chemical equilibrium reactions which happens in the oceans.
Fossil Fuel is a generic term that isn't quite correct Natural Gasoline is a distilled derivative of oil but almost all ofit is manufactured from cracked and recombined oil derivativeswhile natural gasoline is further refined intoPropane, butane, Proproline (a plastics feed stock), and Natural gasand also separates out sulfur (for fertilizer and explosives) Gasoline can be made from coal («Coaline») or from organic matter («Bio-fuel») but uses a few of oil based feed stocks instead tomake «Sythiline» (artificial gasoline) This gasoline is actually cleaner burning then natural gas with allit's «flare offs» (butane, propane, propoline, sulfur) used in theearly 19th century because it is manufactured only with essentialHydrocarbons Diesel fuel is also becoming more and more Manufactured instead ofdistilled as demand for it rises but improvements in Hydro cleaningis allowing for diesel with no volatile chemicals like sulfur andmercury (taken out for petro - chemical feedstock to make fertilizerand thermometers) In both cases what you have is pure hydro - carbons, a carbon atomwith hydrogen atoms attached to it In the case of gasoline there is CH1, cH7, CH11 When in a combustion engine the gasoline is sprayed into the pistonafter being mixed with air and the drive of the engine compressesthe the chamber filled with the gasoline mist until it's full downstoke then the spark plug causes the Exothermic reaction... which isthe conversion of the potential energy in the gasoline mist to heatand force, with the force side of that equation shooting the pistonupward and the top of the stroke kicking what's left of thecaramelized gasoline mist out into the Emission control box If the Emulsion control box wasn't there to filter out the burntgasoline particles, any potential additives and volatile chemicalsthen the caramelized gunk hitting air would create CARBON MONOXIDEin the cooler then the heat of the engine difference CARBON MONOXIDE can also become a problem if the Emissions controlBox filter, air filters or muffler filters is worn or damaged.
This increase of other emissions is largely because collecting and burying CO2 — a process called carbon sequestration — requires additional energy, new equipment and new chemical reactions at the plants.
Because the process depends on a near instantaneous chemical reaction, the process of cleaning is considerably shortened, and the noise of sloshing water becomes a thing of the past.
«(PhysOrg.com)-- A new study by scientists in Los Angeles, California has found that bright city lights makes air pollution worse because the glare of the lights interferes with chemical reactions that clean the air of pollution during the night.»
I suspect that this is perhaps the more complex bit of the puzzle to deal with because it is pretty clear from just a naïve appreciation of the physics that this relationship works both ways with various lags (aside from the normal issue of GHG concentrations increasing temp, increased temp effects chemical reactions i.e. feedback as mentioned by a number of commentators).
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