Ethylene glycol hoch2ch2oh
WebPure ethylene glycol, HOCH2CH2OH, is added 2.00 kg of water in the cooling system of a car. The vapor pressure of the water in the system when the temperature is 90 C is 457 mm Hg. What mass of glycol was added? (Assume the solution is ideal. See Appendix G for the vapor pressure of water.) WebIf the antifreeze is composed of 50% ethylene glycol (HOCH2CH2OH), what is the molality of a 250-mL glycol solution? What will be the freezing and boiling temperatures of H2O …
Ethylene glycol hoch2ch2oh
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WebJan 31, 2024 · For 35.00 g of ethylene glycol (HOCH 2 CH 2 OH), which is used in inks for ballpoint pens, calculate the number of. moles. molecules. Given: mass and molecular formula. Asked for: number of moles and number of molecules. Strategy: Use the molecular formula of the compound to calculate its molecular mass in grams per mole. WebHOCH2CH2OH molecular weight. Molar mass of HOCH2CH2OH = 62.06784 g/mol. This compound is also known as Ethylene Glycol. Convert grams HOCH2CH2OH to moles. …
WebWhat is the molality of a solution prepared by dissolving 73.1 g of ethylene glycol, HOCH2CH2OH, in 1.22 L of water? Assume the density of water is 1.00 g/ml. Best … WebTerms in this set (47) Name two compounds that are able to form hydrogen bonds. Water, hydrofluoric acid, ammonia, methanol, ethanol, etc. Name two substances that only …
WebJul 25, 2024 · Make the following assumptions in your calculation: at normal filling conditions, the densities of engine coolant and water are 1.11 g/mL and 0.998 g/mL respectively. Assume that the engine coolant is pure ethylene glycol (HOCH2CH2OH), which is non-ionizing and non-volatile, and that the pressure remains constant at 1.00 atm. WebFeb 26, 2024 · Some ethylene glycol(hoch2ch2oh)is added your cars cooling system along with 5 kg of water. if the freezing point of water glycolsolution is -150c, what is the …
WebFeb 16, 2024 · MolaLity = 10.74 m Molarity = 6.76 M mole fraction = 0.162 40% ethylene glycol means mass of ethylene glycol = "40 g" mass of water (solvent) = "60 g = 0.060 kg" mass of solution = "100 g" 1. Molality Molar mass of ethylene glycol = "62.07 g/mL" no. of moles = "4 g"/("62.07 g.mol"^-1) = "0.6444 mol" Molality = "no. of moles"/"mass of …
Webethylene glycol, also called ethane-1,2-diol, the simplest member of the glycol family of organic compounds. A glycol is an alcohol with two hydroxyl groups on adjacent carbon atoms (a 1,2-diol). The common name ethylene glycol literally means “the glycol derived from ethylene.” Ethylene glycol is a clear, sweet, slightly viscous liquid that boils at 198 … how to decorate shelf above tvWeb乙二醇的英文学名为Ethylene Glycol，在CAS（国际化学文摘杂志）中编号为107-21-1，它的常见分子式是HOCH2CH2OH，分子量为62.07，常见熔点为mp -13°C，常见沸点为bp760 197.6°C，常见密度为d40 0.0011274 g/cm3，这是一种由C 38.70%, H 9.74%, O 51.55%构成的化合物。 ... how to decorate shelves farmhouse styleWeb乙二醇，又名甘醇、水精。化学式為hoch 2 —ch 2 oh。 屬於最简单的二元醇。 无色无臭、有甜味液体，能与水以任意比例混合。 用作溶剂、防冻剂以及pete等的原料。 乙二醇是化纖產業的基礎原料之一。 乙二醇對動物有毒性，人類致死劑量估計為1.6 g/kg， 不過成人服食30毫升已有可能引致死亡。 the moment makes the manWebQuestion #103671. 1. The liquid used in automobile cooling systems is prepared by dissolving ethylene glycol (HOCH2CH2OH) in water. Ethylene glycol has a molar mass of 62.07 g/mol and a density of 1.115 g/mL at 50.0°C. Calculate the vapor pressure at 50°C of a coolant solution that is 55.0:45.0 ethylene glycol-to-water by volume. how to decorate shelves in living roomWebProvide a detailed, stepwise mechanism for the acid-catalyzed reaction of 2-hexanone with ethylene glycol (HOCH2CH2OH) to produce an acetal. arrow_forward. For butenafine, develop a synthesis that starts with napthalene and benzene. (aromatic methyl groups can be converted to alkyl bromides using Br2/light, and aldehydes by heating the alkyl ... the moment methodWebethylene glycol, also called ethane-1,2-diol, the simplest member of the glycol family of organic compounds. A glycol is an alcohol with two hydroxyl groups on adjacent carbon … how to decorate shelves with plantsWebFor the calculation, assume that at normal filling conditions, the densities of engine coolant and water are 1.11 g/mL and 0.998 g/mL respectively. Also, assume that the engine coolant is pure ethylene glycol (HOCH2CH2OH), which is non‑ionizing and non‑volatile, and that the pressure remains constant at 1.00 atm. how to decorate shiplap walls