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Phosphoric acid, one of the acids used in some cola drinks, is produced by the reaction of phosphorus(V) oxide, an acidic oxide, with water. Phosphorus(V) oxide is prepared by the combustion of phosphorus. Write the empirical formula of phosphorus(V) oxide. What is the molecular formula of phosphorus(V) oxide if the molar mass is about 280.
Phosphate nodules or other lump phosphate material, silica pebble, and coke are mixed and fed to the furnace. The electric current that is supplied to the furnace …
D. Calcium cyanamide. View Answer. Heating of coke, sand & phosphate rock in an electric furnace is done for the manufacture of a) Phosphoric acid b) Superphosphate c) Phosphorous d) Triple superphosphate.
A section of a TVA plant in the Muscle Shoals area in which phosphorus is produced in its elemental form. The phosphorus, used in the manufacture of incendiary bombs and shells and of material for "smoke," is produced by smelting phosphate rock, coke, and silica together in electric furnaces and condensing the resulting phosphorus gases.
The industrial reduction of phosphate requires high temperatures (1400° to 1600°C) and addition of other materials, such as silica and coke (a carbon source), to create strong new element-oxygen bonds that offset the energy costs associated with removing P–O bonds ().Geeson and Cummins's approach begins with phosphoric acid, …
Found most often in phosphate rock. Pure phosphorus is obtained by heating a mixture of phosphate rock, coke, and silica to about 1450 °C. Pronounciation (English) FOS-fer-es Translations. Afrikaans : Fosfor: Aragonese : Fosforo: Arabic : فوسفور: Armenian ...
Researchers agree that consuming soda leads to a myriad of health concerns, including the increased risk of diabetes, obesity, poor dental health, and cardiovascular disease, which can lead to stroke, myocardial infarction, and premature death.1 Because certain sodas, especially dark colas, contain inorganic phosphates, or additives, in high amounts, soda …
Chemistry. Chemistry questions and answers. The element phosphorus can be made by reacting carbon in the form of coke with calcium phosphate, Ca 3 (PO4)2, which is found in phosphate rock. Ca 3 (PO4)2 + S C - 3 CaO + 5 CO + 2 P (a) What is the minimum mass of carbon, C, necessary to react completely with 71.77 Mg of Ca3 (PO4)2?
A section of a TVA plant in the Muscle Shoals area in which phosphorus is produced in its elemental form. The phosphorus, used in the manufacture of incendiary bombs and shells and of material for "smoke," is produced by smelting phosphate rock, coke, and silica together in electric furnaces and condensing the resulting phosphorus gases.
The phosphorus, used in the manufacture of incendiary bombs and shells and of material for "smoke," is produced by smelting phosphate rock, coke and silica together in the electric furnaces and condensing the resulting phosphorus gases.
The reaction, which is endothermic, between phosphate rock, silica, and coke (carbon source) is as shown in Eq. 2 below at a reaction temperature greater than 1100 °C. Optimum reaction temperature is between 1400 and 1600 °C. Temperatures over 1700 °C will not only result in side-reactions but also increases energy consumption.
Phosphorus (III) oxide dissolves slowly in cold water to form phosphorous acid, H 3 PO 3. Figure 18.8.2 18.8. 2: This image shows the molecular structures of P 4 O 6 (left) and P 4 O 10 (right). Phosphorus (V) oxide, P 4 O 10, is a white powder that is prepared by burning phosphorus in excess oxygen. Its enthalpy of formation is very high …
Phosphate rock is the primary natural source for P-containing chemicals, with the majority (over 80%) used for phosphate fertilizers and the rest for P 4 production ... Additionally, using electricity as a reducing agent instead of coke can significantly reduce the carbon footprint. This makes molten salt electrolysis a more efficient and ...
Heating of coke, sand&phosphate rock in an electric furnace is done for the manufacture of. Phosphoric acid. Superphosphate. Phosphorous. Triple superphosphate. There are 2 steps to solve this one. Who are the experts? Experts have been vetted by Chegg as specialists in this subject. Expert-verified. Step 1. Answer: The... View the full answer.
4. Phosphoric acid also goes by E338, orthophosphoric acid, and phosphoric (V) acid. 5. Food-grade phosphoric acid is a mass-produced chemical, available cheaply and in large quantities. 6. Phosphoric acid is commonly used for …
Heating a mixture of phosphate rock, coke and sand in an electric furnace produces. Phosphoric acid. Ammonium phosphate. Phosphorous. Superphosphate. There are 2 steps to solve this one. Who are the experts? Experts have been vetted by Chegg as specialists in this subject. Expert-verified.
Using the traditional "thermal process," those bonds are broken by heating carbon coke and phosphate rock to a temperature of 1,500 degrees Celsius. In this …
Phosphoric acid is produced in conjunction with the making of elemental phosphorus. The phosphorus, used in the manufacture of incendiary bombs and shells and of material for "smoke," is produced by smelting phosphate rock, coke and silica together in electric furnaces and condensing the resulting phosphorus gases.
Heating a mixture of phosphate rock, coke and sand in an electric furnace produces. A. Phosphoric acid. B. Ammonium phosphate. C. Phosphorous. D. Superphosphate. Answer: Option C. This Question Belongs to Chemical Engineering >> Fertiliser Technology.
Learning Outcomes. The industrial preparation of phosphorus is by heating calcium phosphate, obtained from phosphate rock, with sand and coke: 2Ca3(PO4)2(s) + 6SiO2(s) + 10C(s) Δ 6CaSiO3(l) + 10CO(g) + P4(g) Figure 1. P 4 S 3 is a component of the heads of strike-anywhere matches. The phosphorus distills out of the furnace and is …
Better root development for trees and grass. Improving the flavor of vegetable and fruit crops. Deterring soil pests. Rock phosphate fertilizer is slow-release and an ideal way to keep soil calcium levels from getting too low during the growing season so your plants can continue to flourish. This organic fertilizer also works in tandem with ...
Electric furnace method for production of phosphorous uses phosphate rock and _ _ _ _ _ _ _ _ _. Phosphoric acid. Coke. Sulphuric acid. Silica and coke. There are 2 steps to solve this one.
WEBThe optimum conditions are as follows: reaction time 92 min, reaction temperature 1,340°C, coke excess coefficient 1.27, molar ratio …
Heating of coke, sand & phosphate rock in an electric furnace is done for the manufacture of (A) Phosphoric acid (B) Superphosphate (C) Phosphorous (D) Triple superphosphate 7. Heating of coke, sand & phosphate rock in an electric …
The phosphorus, used in the manufacture of incendiary bombs and shells and of material for "smoke," is produced by smelting phosphate rock, coke, and silica together in the electric furnaces and condensing the resulting phosphorus gases.
Phosphate rock is a non-renewable resource and an important component for phosphorous-based chemicals and the production of fertilizers (Gharabaghi et al., 2010;Mohammadkhani et al., 2011). >70 wt ...
STOWAGE FACTORS, cbft/mt (1 cbm = 35.31 cbft) Information in the below columns is merely a guide and no substitute for checking accurate stowage factors from local agents and/or shippers, or for inserting appropriate figures in contracts of carriage. CARGO.
Question: 23.P4 is prepared byheating phosphate rock (principally Ca3(PO4)2)with sand and 23. P 4 is prepared byheating phosphate rock (principally Ca 3 (PO 4 ) 2 )with sand and coke:
Commercial P 4 is solely produced by carbothermal reduction. [9,10] Phosphate rock, coke, and silica are mixed in an electric furnace at around 1500 °C.Phosphate in the rock is reduced to elemental phosphorus by carbon in the coke. Due to large amounts of impurities in phosphate rock and introduced from coke, purity …
Phosphate rock is used to make phosphate compounds that are used in applications such as food additives, detergents and herbicides. Phosphoric acid is used in cola beverages. Phosphorus was first discovered in 1669 by Hennig Brand in Germany, when he recovered it from urine. Visit minerals.usgs.gov/minerals for more information.
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