Αποτελέσματα Αναζήτησης
This colorless gas is notable for having a narrow liquid range: its boiling point is only 4 °C above its melting point. It was first prepared in 1771 by Carl Wilhelm Scheele by dissolving silica in hydrofluoric acid , [ 5 ] and later synthesized by John Davy in 1812. [ 6 ]
Silicon tetrafluoride. Formula: F 4 Si. Molecular weight: 104.0791. IUPAC Standard InChI:InChI=1S/F4Si/c1-5 (2,3)4 Copy.
Silicon tetrafluoride | SiF4 or F4Si | CID 24556 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more.
P c: Critical pressure: T boil: Boiling point: T c: Critical temperature: Δ r G° Free energy of reaction at standard conditions: Δ r H° Enthalpy of reaction at standard conditions: Δ r S° Entropy of reaction at standard conditions: Δ sub H: Enthalpy of sublimation
Chemical Properties of Silicon tetrafluoride (CAS 7783-61-1) PAff : Proton affinity (kJ/mol). BasG : Gas basicity (kJ/mol). SProt : Protonation entropy at 298K (J/mol×K). ΔfH°gas : Enthalpy of formation at standard conditions (kJ/mol).
Silicon tetrafluoride or tetrafluorosilane is a chemical compound with the formula Si F 4. This colorless gas is notable for having a narrow liquid range: its boiling point is only 4 °C above its melting point.
1 ημέρα πριν · SIF4 is a covalent compound, which consists of silicon and fluorine atoms. It is named tetrafluorosilane or silicon tetrafluoride. The melting and boiling point of silicon tetrafluoride is -95.0 °C and -90.3 °C and hence, it exists as a gas at room temperature.