How to use chemical reactions in a sentence

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Sentence Examples To produce bone, nature uses organic molecules to organize inorganic components that become mineralized through additional chemical reactions. Further work will try to determine the chemical reactions occurring during triboluminescence. Doctors have to know loads about biochemistry and the chemical reactions going on in your body. Functioning as biocatalysts, enzymes increase and control the rate of chemical reactions. Mars's atmosphere is completely inert, no chemical reactions could go on there. Cold fusion is an attempt to get fusion to occur under less extreme conditions, possibly as a result of chemical reactions. The study of oscillating reactions is the study of periodic changes in chemical reactions. These processes are of fundamental significance for controlling chemical reactions and synthesising new materials. Superoxide acts as a reducing agent and helps produce other oxidants through chemical reactions. As water moves and chemical reactions occur, the chemistry of the water changes and its properties are altered. Only in recent years, with the advent of ultrashort-pulsed lasers, have physicists and chemists observed chemical reactions as they unfold. Liquid ammonia is also utilized as a solvent in certain chemical reactions. This is what scientists call a physical process, because no chemical reactions take place. Energy is not only involved in chemical reactions and technology, but also in our basic bodily functions. Most possess only the vaguest understanding of molecules, chemical reactions, and research methods. Temperature can determine which ions can form or remain stable enough to enter into chemical reactions. Enthalpy is more useful to chemists than energy when measuring the heat involved in chemical reactions. They are catalysts that either begin chemical reactions or speed up chemical reactions already in progress. Atoms of these elements have six valence electrons and tend to gain or acquire electrons in chemical reactions. A burning cigarette is a complex system in which many types of chemical reactions and physical processes occur in parallel. Show More Sentences They each have different chemical reactions because of their molecular structure. Each genetic pathway metabolizes glucose and produces succinate via dissimilar chemical reactions. The function of enzymes is to catalyse the chemical reactions upon which the functioning of the organism depends. The enzymes that catalyze the chemical reactions that keep the cells alive function most efficiently over a limited range of body temperatures. A major unanswered question is how the stepwise rotation is coupled to distinct chemical reactions in the three sites. During the 1930s, catalysts were introduced to promote chemical reactions during cracking. Osmium tetroxide is used by scientists to stain materials and as a catalyst to speed up chemical reactions. A dynamic model takes into consideration rapid chemical reactions, eg chemical weathering, nutrient uptake and nitrification. Water only helps the chemical reactions take place, but a plant still needs healthy soil in which to grow. Within the ozone layer, this ultraviolet energy is absorbed by a delicate balance of two chemical reactions. The chemical reactions by which they do this evolve gas, which is why peas and beans cause wind. The rate of chemical reactions often depends on the concentration of the reactants involved. Ozone is produced when sunlight triggers chemical reactions involving reactive hydrocarbons and nitrogen oxides. Zeolites can soak up liquid or gas molecules and also catalyze chemical reactions. Chemists study these organisms because they are able to perform chemical reactions under extreme conditions. The blasts are caused by chemical reactions within the units which create volatile hydrogen gas, iodine gas or lithium iodine. In chemistry, thermodynamics refers to the transformations of energy associated with chemical reactions. Oxidation and reduction are two processes that are quite common in chemical reactions. These had the refractive indices and gave the chemical reactions of lazulite, which is a hydrous phosphate of aluminum, iron and magnesium. In chemical reactions, it is the electrons in these orbitals that form or break bonds between different atoms. Show More Sentences His was the first group to study chemical reactions in this way under molecular beam conditions. The precious metal platinum is well known to be an excellent catalyst in a number of chemical reactions. Harvey's team suggests that organic carbon feeds chemical reactions that liberate arsenic from minerals in the soil. In fact, one of the critical roles of enzymes in biochemistry is to lower the temperature requirements for chemical reactions. Nevertheless, Henry knew research was expected of him, and he began investigating the chemical reactions involved in the setting of hydraulic cements. The researchers aimed to use the brake to ratchet the propeller in only one direction, by executing a series of chemical reactions between blade and brake. The essence of chemistry is understanding and applying chemical reactions. Problems arise when chemical reactions change the arsenates into arsenites, which don't bind tightly to other minerals and can therefore enter the underground water supply. It can store genetic information, as DNA does, but it can also adopt complex three-dimensional shapes and catalyze chemical reactions on itself, as proteins do. And the ovoids, too small to hold the molecules needed to carry out the chemical reactions of life, are just chance deposits with interesting shapes. Ozone loss in Earth's stratosphere is caused primarily by chemical reactions with chlorine from human-produced compounds like chlorofluorocarbons. At the beginning of the century the law of conservation of mass in chemical reactions was checked experimentally by Landolt and various other experimenters. The photocatalyst has to possess surface reaction sites on which the electrons and holes can take part in chemical reactions such as hydrogen production. Linear polarization is critical for triggering chemical reactions or for studying the orientation of atoms and molecules when they are absorbed on a surface. Never before had a protein been found to serve as a catalyst to promote chemical reactions to form the glass or a rock-like material of a biomineral. The thesis was on thermodynamic potential in physics and chemistry and in it he defined the criterion for chemical reactions in terms of free energy. How closely the fodder is packed determines the nature of the resulting silage by regulating the chemical reactions that occur in the stack. The generation of heat in large quantities accompanies most explosive chemical reactions. Low temperatures significantly slow the chemical reactions involved in hydration of cement, thus affecting the strength development. Cement sets when mixed with water by way of a complex series of chemical reactions still only partly understood. Show More Sentences The current scientific consensus is that the complex biochemistry that makes up life came from simpler chemical reactions. Many chemical reactions involving hydrochloric acid are applied in the production of food, food ingredients, and food additives. It consists of three chemical reactions whose net reactant is water and whose net products are hydrogen and oxygen. Chemical substances may be combined or converted to others by means of chemical reactions. He used systems of partial differential equations to model catalytic chemical reactions. Chemical processes such as chemical reactions operate in chemical plants to form new substances in various types of reaction vessels. Volcanic action was often attributed to chemical reactions and a thin layer of molten rock near the surface. Sulfate aerosols promote complex chemical reactions on their surfaces that alter chlorine and nitrogen chemical species in the stratosphere. The river had an unnaturally warm temperature caused by chemical reactions in the water, which also removed the water's oxygen. Near the end of the 18th century, two laws about chemical reactions emerged without referring to the notion of an atomic theory. Like the concept of conservation of mass, the idea of conservation of energy is also applicable to all chemical reactions. Under normal conditions, the chemical reactions that take place between part 1 and 2 ate slow as are the side reactions. Researchers believe that chemical reactions during the preparation of foods such as hot dogs, sausages and luncheon meats could be to blame. In this research, we capsulated osmium nanoparticles on the surface of multi walled carbon nanotubes through a number of chemical reactions. Electrochemists, chemists, and other scientists use electrical measurement techniques to study chemical reactions and dynamics. They include chemical reactions, increase of pressure, increase of temperature, and phase change. In some cases, chemical reactions occur between the two or more components. Photosynthesis in turn requires energy from sunlight to drive the chemical reactions that produce organic carbon. Solutes in water also affect water activity that affects many chemical reactions and the growth of microbes in food. Water is widely used in chemical reactions as a solvent or reactant and less commonly as a solute or catalyst. Show More Sentences Burial of rocks due to ongoing sedimentation leads to increased pressure and temperature, which stimulates certain chemical reactions. Other microbes live in habitats lacking in oxygen, and are dependent on chemical reactions other than photosynthesis. The primary chemical reactions of methane are combustion, steam reforming to syngas, and halogenation. Cold and absence of light also aid survival of artifacts, because there is little energy available for either organic activity or chemical reactions. Titanium dioxide is widely used as a photocatalyst, a material that can accelerate chemical reactions without being consumed when it absorbs light. Charcoal may be used as a source of carbon in chemical reactions. The cowinner in the science category, Zare, has been recognized for his fundamental contribution in the understanding of molecular dynamics and chemical reactions. At constant pressure, the force driving chemical reactions is normally quantified by the thermodynamic quantity Gibbs free energy or Gibbs energy. It does this through a radical pair mechanism whereby chemical reactions in special photo pigments sensitive to long wavelengths are affected by the field. At high pressure and temperature, the organic material of a dead organism undergoes chemical reactions in which volatiles such as water and carbon dioxide are expulsed. Key chemical reactions that lead to ozone depletion happen on the surface of rare polar stratospheric clouds, which form high up in the atmosphere. Previously the only way to produce electricity was by chemical reactions or using battery cells, and the only practical use of electricity was for the telegraph. Examples from Classical Literature The new EasySampler allows unattended, representative sampling of a wide range of chemical reactions, including heterogeneous reactions. In 1927, it was proposed that this principle should apply to chemical reactions, but a clear demonstration has never been achieved. Find out why colour changes happen in chemical reactions and how these colour changes are used. A reconstruction revealed the spontaneous occurrence of the chemical reactions used by modern cells to synthesize many of the crucial organic molecules of metabolism. The most significant artifact brought up by Paccione was an odd-shape concretion, sort of a rocky mass that forms when chemical reactions with seawater bind metals together. Find more words! 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What is the opposite of chemical reactions? Use our Sentence Generator Nearby Words chemical reaction chemical property chemical properties chemical potential energy chemically chemical-free chemicals chemical symbol chemical weathering chemiluminescence chemiluminescent CheMin