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Longer titles found: Thermochemical equation (view)

searching for Chemical equation 62 found (121 total)

Reaction intermediate (1,830 words) [view diff] exact match in snippet view article find links to article

intermediates, but is consumed in a later step. It does not appear in the chemical equation for the overall reaction. For example, consider this hypothetical

Formox process (175 words) [view diff] exact match in snippet view article find links to article

oxygen react at 300-400°C to produce formaldehyde according to the chemical equation: CH3OH + ½ O2 → H2CO + H2O. The silver-based catalyst is usually operated

Mole (unit) (3,299 words) [view diff] exact match in snippet view article

reactants and amounts of products of chemical reactions. For example, the chemical equation 2 H2 + O2 → 2 H2O can be interpreted to mean that for each 2 mol molecular

Old Nassau reaction (423 words) [view diff] no match in snippet view article find links to article

The Old Nassau reaction or Halloween reaction is a chemical clock reaction in which a clear solution turns orange and then black. This reaction was discovered

Traité Élémentaire de Chimie (532 words) [view diff] exact match in snippet view article find links to article

cider or fermented sugar as well as wine", and publishing the first chemical equation "grape must = carbonic acid + alcohol", calling this reaction "one

AP Chemistry (1,084 words) [view diff] exact match in snippet view article find links to article

bases, or pressure/concentration. The first question of Part B was a chemical equation question in which 3 scenarios were presented and the student was required

Estuarine acidification (1,341 words) [view diff] exact match in snippet view article find links to article

This is referred to as an oxidation-reduction reaction. The basic chemical equation is as follows: CO2 + H2O ⇌ H2CO3 ⇌ HCO3 + H+ ⇌ CO3 + 2 H+ When this

Phosphoenolpyruvic acid (380 words) [view diff] exact match in snippet view article find links to article

plants, PEP serves as an important substrate in carbon fixation. The chemical equation, as catalyzed by phosphoenolpyruvate carboxylase (PEP carboxylase)

Yield (chemistry) (2,329 words) [view diff] exact match in snippet view article

obtained if the reaction has proceeded to completion according to the chemical equation. The yield is the weight of the pure product which is isolated from

Postage stamps and postal history of South West Africa (665 words) [view diff] exact match in snippet view article find links to article

was that one of the stamps, for boltwoodite, had an error in its chemical equation. This was corrected in the Namibian issue. Namibia has issued regular

Phosphorylation (1,642 words) [view diff] exact match in snippet view article find links to article

Phosphorylation of glucose is a key reaction in sugar metabolism. The chemical equation for the conversion of D-glucose to D-glucose-6-phosphate in the first

Erythritol tetranitrate (1,345 words) [view diff] exact match in snippet view article find links to article

carbon and hydrogen upon detonation. This can be seen in the schematic chemical equation below. 2 C4H6N4O12 → 8 CO2 + 6 H2O + 4 N2 + 1 O2 Whereas PETN decomposes

Hydrogen ion (1,500 words) [view diff] exact match in snippet view article find links to article

maintaining dissolved inorganic carbon species in chemical equilibrium. The chemical equation consists of reactants and products that may react in either direction

Postage stamps and postal history of Namibia (522 words) [view diff] exact match in snippet view article find links to article

was that one of the stamps, for boltwoodite, had an error in its chemical equation. This was corrected in the Namibian issue. List of people on stamps

Carbothermic reaction (615 words) [view diff] exact match in snippet view article find links to article

which is mostly SiO 2, and coke (impure carbon) to produce P 4. The chemical equation for this process when starting with fluoroapatite, a common phosphate

Joint product (239 words) [view diff] exact match in snippet view article find links to article

sodium hydroxide and hydrogen. Due to the molar relation in the chemical equation, the proportions are fixed. Joint product pricing Wouters, Mark; Selto

Halohydrin (835 words) [view diff] exact match in snippet view article find links to article

leaving the newly added X and OH groups in a trans configuration. The chemical equation for the conversion of ethylene to ethylene chlorohydrin is: H2C=CH2

Limescale (1,020 words) [view diff] exact match in snippet view article find links to article

bicarbonate and dissolved calcium carbonate as represented by the chemical equation Ca2+ + 2 HCO− 3 ⇌ Ca2+ + CO2− 3 + CO2 + H2O Note that CO2 is dissolved

Basal metabolic rate (6,562 words) [view diff] exact match in snippet view article find links to article

based on the number of carbon atoms in its molecular structure. The chemical equation for metabolism of the twelve to sixteen carbon atoms in a saturated

Malachite (2,441 words) [view diff] exact match in snippet view article find links to article

like malachite and eliminates the need for smelting processes. The chemical equation for sulfuric acid leaching of copper ore from malachite is as follows:

Chemical substance (3,282 words) [view diff] exact match in snippet view article find links to article

molecule of carbon dioxide and two molecules of water. This particular chemical equation is an example of complete combustion. Stoichiometry measures these

Hexaethyl tetraphosphate (1,112 words) [view diff] exact match in snippet view article find links to article

slightly lower pressure than the Schrader process. The reaction has a chemical equation of POCl3 + 3(C2H5)3PO4 → (C2H5)6P4O13 + 3C2H5Cl. By 1947, hexaethyl

Guyanaite (1,530 words) [view diff] exact match in snippet view article find links to article

presence of H2O and a reductant (oxalic acid or steel) resulting in the chemical equation of (2CrO2 + H2O → 2CrO(OH) + 1⁄2O2). The second process is an oxidation

Guyanaite (1,530 words) [view diff] exact match in snippet view article find links to article

presence of H2O and a reductant (oxalic acid or steel) resulting in the chemical equation of (2CrO2 + H2O → 2CrO(OH) + 1⁄2O2). The second process is an oxidation

Anoxic waters (2,222 words) [view diff] exact match in snippet view article find links to article

hydrogen sulfide into elemental sulfur, according to the following chemical equation: H2S + O2 → S + H2O2 Anoxia is quite common in muddy ocean bottoms

Arsenic trisulfide (1,627 words) [view diff] exact match in snippet view article find links to article

reaction melt gives a glass. The reaction can be represented with the chemical equation: 2 As + 3 S → As2S3 As2S3 forms when aqueous solutions containing

Carbonate compensation depth (1,363 words) [view diff] exact match in snippet view article find links to article

concentration of dissolved CO2 is higher. Adding a reactant to the above chemical equation pushes the equilibrium towards the right producing more products:

Deoxidization (1,071 words) [view diff] exact match in snippet view article find links to article

reduce the steel's strength and qualities by a lesser amount. The chemical equation for deoxidization is represented by: n D + m O ⟶ D n O m {\displaystyle

Respiratory quotient (1,726 words) [view diff] exact match in snippet view article find links to article

products, and ethanol. For complete oxidation of such compounds, the chemical equation is CxHyOz + (x + y/4 - z/2) O2 → x CO2 + (y/2) H2O and thus metabolism

Polyhalogen ions (2,035 words) [view diff] exact match in snippet view article find links to article

Synthesis of some polyhalogen cations Species Relevant chemical equation Additional conditions required [Cl2]+ (as [Cl2O2]+) Cl2 + [O2]+[SbF6]− → [Cl2O2]+[SbF6]−

Coulometry (1,489 words) [view diff] exact match in snippet view article find links to article

must be anhydrous for the analysis to be quantitative. The balanced chemical equation, using methanol and pyridine, is: [ C 5 H 5 NH ] SO 3 CH 3 + I 2 +

CrystaSulf (573 words) [view diff] exact match in snippet view article find links to article

(SO2) to form elemental sulfur and water according to the following chemical equation. 2 H2S + SO2 → 3 S + 2 H2O The formed elemental sulfur remains dissolved

Fire (4,730 words) [view diff] exact match in snippet view article find links to article

The balanced chemical equation for the combustion of methane, a hydrocarbon

Alkalinity (3,502 words) [view diff] exact match in snippet view article find links to article

carbonate and bicarbonate plus a small contribution from borate. Thus the chemical equation for alkalinity in seawater is: AT = [HCO3-] + 2[CO32-] + [B(OH)4-]

Anthranilate synthase (624 words) [view diff] exact match in snippet view article find links to article

Chemical equation of reaction occurring in anthranilate synthase

Selective catalytic reduction (2,563 words) [view diff] exact match in snippet view article find links to article

reductant (such as urea), is injected and mixed with the gases. The chemical equation for a stoichiometric reaction using either anhydrous or aqueous ammonia

State of matter (4,357 words) [view diff] exact match in snippet view article find links to article

Fermionic condensate) and the quark–gluon plasma are examples. In a chemical equation, the state of matter of the chemicals may be shown as (s) for solid

Microbial ecology (3,602 words) [view diff] exact match in snippet view article find links to article

species that perform either oxidation or reduction reaction to the same chemical equation. For example, methanogens produce methane by reducing CO2 to CH4,

Plant (8,029 words) [view diff] exact match in snippet view article find links to article

green pigments that are used to capture light energy. The end-to-end chemical equation for photosynthesis is: 6 CO 2 + 6 H 2 O → light C 6 H 12 O 6 + 6 O

Borax (4,316 words) [view diff] exact match in snippet view article find links to article

hardness cations, although it has been used for water-softening. Its chemical equation for water-softening is given below: Ca2+(aq) + Na2B4O7(aq) → CaB4O7(s)↓

Sugar battery (1,948 words) [view diff] exact match in snippet view article find links to article

adding all these catalytic enzymes into the pathway, the overall chemical equation goes as: C 6 H 10 O 5 + 7 H 2 O ⟶ 24 e − + 6 CO 2 + 24 H + {\displaystyle

Biodegradable additives (2,873 words) [view diff] exact match in snippet view article find links to article

are carbon dioxide (CO2), water (H2O), and methane (CH4). A simple chemical equation of the anaerobic process is: C6H12O6 → 3CO2 + 3CH4 Examples of anaerobic

Nitrocellulose (5,685 words) [view diff] exact match in snippet view article find links to article

the dinitrate, whereas explosives are mainly the trinitrate. The chemical equation for the formation of the trinitrate is 3 HNO3 + C6H7(OH)3O2 H2SO4→

Chain-growth polymerization (2,706 words) [view diff] exact match in snippet view article find links to article

Typically, chain-growth polymerization can be understood with the chemical equation: P x ∗ + M → P x + 1 ∗ + L ( x = 1 , 2 , 3... ) {\displaystyle

Dry ice color show (798 words) [view diff] exact match in snippet view article find links to article

Na+(aq) + HCO3−(aq) + H2O(l) (addition of sodium hydroxide) The overall chemical equation for neutralization of an aqueous solution of NaOH and carbonic acid

Le Chatelier's principle (3,629 words) [view diff] exact match in snippet view article find links to article

where the number of moles of gas is the same on each side of the chemical equation. Considering the reaction of nitrogen gas with hydrogen gas to form

Ascorbate ferrireductase (transmembrane) (916 words) [view diff] exact match in snippet view article

other metal ions that may be present. The following is a general chemical equation to represent the process of chelation: A structure of a siderophore

Nicolas Théodore de Saussure (2,133 words) [view diff] exact match in snippet view article find links to article

within the plant. His work enabled completion of the basic, overall chemical equation of photosynthesis, according to which carbon dioxide and water, in

Respiratory system (11,266 words) [view diff] exact match in snippet view article find links to article

the process of photosynthesis, and exhale oxygen gas as waste. The chemical equation of photosynthesis is 6 CO2 (carbon dioxide) and 6 H2O (water), which

Thermoneutral voltage (682 words) [view diff] exact match in snippet view article find links to article

is the Faraday constant. For a cell reaction characterized by the chemical equation: O x + n e − ↔ R e d {\displaystyle Ox+ne^{-}\leftrightarrow Red}

Bonnie Garmus (606 words) [view diff] case mismatch in snippet view article find links to article

Olimpia (2022-09-21). "'Lessons in Chemistry': The (Un)balanced Chemical Equation of (In)equality". CHIMIA. 76 (9). Swiss Chemical Society: 798–799

Serrabrancaite (943 words) [view diff] exact match in snippet view article find links to article

analysis according to X-ray diffraction (XRD) results is Mn2P2O7. The chemical equation for this reaction is 2 MnPO4·H2O → Mn2P2O7 + 2 H2O + 1/2O2. The empirical

Fouling (6,113 words) [view diff] exact match in snippet view article find links to article

natural water - and the poorly soluble calcium carbonate, the following chemical equation may be written: Ca ( HCO 3 ) 2 ( aqueous ) ⟶ CaCO 3 ↓ + CO 2 ↑ + H

Cyc (5,782 words) [view diff] exact match in snippet view article find links to article

relations in Cyc's ontology. Some are domain-specific, such as a chemical equation-balancer. These can be and often are an "escape" to (pointer to) some

Ocean (16,955 words) [view diff] exact match in snippet view article find links to article

two of these ions contribute more than 95% of this alkalinity. The chemical equation for alkalinity in seawater is: AT = [HCO3-] + 2[CO32-] + [B(OH)4-]

Oregon Caves National Monument and Preserve (5,215 words) [view diff] exact match in snippet view article find links to article

National Monument alone has more than 450 separate lava caves. The chemical equation for the process is H2O + CO2 + CaCO3 ⇄ {\displaystyle \rightleftarrows

History of the Haber process (3,188 words) [view diff] exact match in snippet view article find links to article

obtained good results with iron, nickel, manganese and calcium. In the chemical equation shown above, the direct reaction is exothermic. This heat can be used

Tantalum capacitor (8,375 words) [view diff] exact match in snippet view article find links to article

an oven at approximately 250 °C to produce the dioxide coat. The chemical equation is: Mn(NO3)2 → MnO2 + 2 NO2 This process is repeated several times

Biodesulfurization (3,424 words) [view diff] exact match in snippet view article find links to article

General chemical equation of the 4S pathway.

Tantalum diselenide (3,291 words) [view diff] exact match in snippet view article find links to article

a chemical vapor transport technique accordingly to the following chemical equation: n−1/n M + 1/n MCl5 + 2 X → MX2 + 5⁄2n Cl2 where M is the chosen transition

Mohammed Ahmad S Al-Shamsi (2,521 words) [view diff] exact match in snippet view article find links to article

prestigious journals, where he and his co-workers proposed a new chemical equation to illustrate the behavior of quick passivation of nano iron particles

Coastal hydrogeology (4,315 words) [view diff] exact match in snippet view article find links to article

bicarbonate. Cation exchange occurs in the transition zone given by the chemical equation: Na++1/2Ca-X2 → 1/2Ca2++Na-X, where X is the exchange site on the