Sentences with phrase «by a chemical reaction»

It is POSSIBLE that these things are only figments of my imagination or are emotions being charged simply by chemical reactions in my body.

Everything came from out space and life was formed on this planet by some chemical reaction.

In quick bread, the air holes are made by a chemical reaction of baking soda and an acidic ingredient, usually buttermilk, sour cream or vinegar.

But if the water was produced by chemical reactions driven by the solar wind, it is much more recent.

Methane could also have a nonbiological source, perhaps generated by chemical reactions between water and minerals in Martian rocks or from reactions between the sun's ultraviolet radiation and cosmic dust.

One of the most ubiquitous is the «octet rule,» which states that each atom in a molecule that is produced by a chemical reaction will have eight outer orbiting electrons.

Polanyi says scientists are only beginning to understand how catalysis operates, and that the shift towards green chemistry makes knowing as much as possible about catalysts and how they reduce waste caused by chemical reactions more important than ever before.

Conditions would have been perfect to make clays by chemical reactions between the atmosphere and the minerals within the warm and porous top of the crust.

But in 1991, in addition to the high - altitude hole, ozone below 13 kilometres was destroyed by chemical reactions involving the volcanic aerosol.

Likewise, the production and destruction of oxygen, ozone, and methane is driven by chemical reactions powered by light, making the type of star important to consider as well.

Most of the energy is dissipated by chemical reactions, Suslick reports in the 25 July issue of Nature, noting that the experiment roughly matches theorists» expectations.

MTBE (methyl tertiary - butyl ether) is a chemical compound that is manufactured by the chemical reaction of methanol and isobutylene.

The muscles are powered thermally by temperature changes, which can be produced electrically, by the absorption of light or by the chemical reaction of fuels.

This means that the substance which is to be changed by a chemical reaction attaches to or close to the metal ion.

Scientists are especially interested in measuring the amount of hydrogen gas in the plume, which would tell them how much energy and heat are being generated by chemical reactions in hydrothermal vents at the bottom of the moon's ocean.

See, gay couples, lesbian couples and such may not seem to have fallen in love for the purposes of procreation but they are the outliers, as the standard heterosexual relationship is triggered by chemical reactions in the brain.

Moreover a photograph, with its smooth reflective surface, printed by a chemical reaction or digitally manipulated with no material depth or presence, is entirely different from a painted portrait.

In the other, line drawings of liquid clay are lifted and folded into rounded bodies colored by chemical reactions induced by heat.

These molecules are activated by a chemical reaction triggered by movement such as the crashing of waves upon the shore or a passing fish.

It is caused by chemical reactions that take place primarily on the surface of polar stratospheric clouds, ice particles or liquid droplets which form at high altitudes in extreme cold.

Ozone holes are caused by chemical reactions that take place primarily on the surface of polar stratospheric clouds, ice particles, or liquid droplets, which form at high altitudes in the extreme cold of the polar regions.

Once in the atmosphere, HFCs last a long time before being destroyed by chemical reactions.

Ozone is an odorless gas that is not directly emitted into the air but is created by chemical reactions between nitrogen oxides (NOx) and volatile organic compounds (VOC)-- which occur naturally but are also produced from the burning of fossil fuels and are released in the process of drilling for oil and natural gas.

The gas is typically destroyed in marine regions by chemical reactions involving water vapour.

Increasing emissions of methane are transformed into water in the stratosphere by chemical reactions.

Not exact matches

But for the man with skin prone to reactions caused by chemicals, dyes, or even to various natural ingredients, this shaving gel isn't just a good choice, but rather a must - have.

Yet, we also have current strong demand, falling OPEC productions and a possibility of a major reaction by the United States after Syria allegedly crossed the chemical weapons line in the sand.

As with politics, those that are entrenched in the belief in a God will not be persuaded by any scientific findings; they can always say that God was behind the creation of those physical laws or principles, chemical reactions, etc..

sam stone Given we are made in the image of God our core «DNA» (as evidenced by 98 % of the world population) knows there is more to this existence than chemical reaction on organic matter.

Love is a biological reaction, complete with chemical interaction, and can be measured by testing for certain chemicals and reading brainwave patterns.

Likewise, the ratio of electrons to protons can not vary by more than 1 part in 10 to the 37th power or else electromagnetic interactions would prevent chemical reactions.

Likewise, the ratio of electrons to protons can not vary by more than 1 part in 1037 or else electromagnetic interactions would prevent chemical reactions.

Wouldn't you agree that it's a bit more ego - centric to believe that an all - powerfull divine being created humans in his image, rather then acknowledging that we're all unimportant continuous chemical reactions that coalesced by pure randomness?

By his own account, it's all just a chemical - physical reaction, and therefore his writing is qualitatively no different from mud oozing around a rock.

And why did they all start out with a dark primordial pool actioned upon by an energy source (aka light) before chemical reactions began to create molecules for life?

(He assumed that this molecule had the opportunity to develop by natural chemical reactions on 100,000,000,000,000,000,000 (1020) «hospitable» planets over a period of four billion years.

We all know by now that if the atomic combinations break down, or if the proper chemical reactions fail to take place, the cell will die or the brain (in which thought seems to dwell) will fail to function, and «mind» will be impaired or it may vanish altogether.

The release of inflammatory chemicals called «cytokines» (proteins secreted by specific cells involved in immunity and in inflammation) leads to biochemical reactions involving neurotransmitters.

... The direct synthesis of... nucleotides from prebiotic precursors in reasonable yield and unaccompanied by larger amounts of unrelated molecules could not be achieved by presently known chemical reactions» (5).

The first three are just chemical reactions in the brain and morality is something created by a civilized society that everyone must follow for the society to sustain itself.

My grade - school science teacher demonstrated the chemical reaction of baking soda and vinegar by mixing them in a test tube and placing a balloon over the top so it would inflate from the gas that formed.

Highly acidic foods, such as sauces like BBQ and ketchup, have a higher risk of changes to their chemical composition due to their low pH. Both acid hydrolysis (decomposition) and the reaction of additives and substitutions are accelerated and dictated by the temperatures that the ingredients are exposed to.

Kinetics means studying the rate of chemical reactions carried out by the some catalyst that take place in food during processing, preservation etc..

Now for dealing with your anxiety over the crying: Keep in mind that in its simplest form, it is just a chemical reaction in your brain, triggered by something that makes you extra sensitive to your child's crying, which even the hint of can set you off.

By adding the vinegar, you created a chemical reaction which caused the milk to separate into two parts, a solid (the curds) and a liquid (the whey).

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).

Every food we eat causes a chemical reaction in our body by it's very nature.

When shopping for laundry detergent, it can also be difficult to determine what ingredients are present that may be potential irritants, since some ingredients are considered «trade secrets,» some ingredients cause problems when they build up over time, some chemicals are the product of a chemical reactions from the ingredients, and some harmful ingredients are known by different names.

By the way, I did explain that the «volcano» is the result of a chemical reaction between the baking soda and the vinegar which produces carbon dioxide — leading to bubbles.

Hotter water can help to release soil by increasing the cleaning action and chemical reactions.