Chemical Properties of silver (CAS 7440-22-4)

InChI

InChI=1S/Ag

InChI Key

BQCADISMDOOEFD-UHFFFAOYSA-N

Formula

Ag

SMILES

[Ag]

Molecular Weight¹

107.87

CAS

7440-22-4

Other Names

• argentum
• silver element

• η : Dynamic viscosity (Pa×s).
• EA : Electron affinity (eV).
• σ_cond : Electrical conductivity (S/m).
• Δ_fH°_gas : Enthalpy of formation at standard conditions (kJ/mol).
• Δ_vapH : Enthalpy of vaporization at a given temperature (kJ/mol).
• IE : Ionization energy (eV).
• P_vap : Vapor pressure (kPa).
• S°_{gas,1 bar} : Molar entropy at standard conditions (1 bar) (J/mol×K).
• S°_{solid,1 bar} : Solid phase molar entropy at standard conditions (J/mol×K).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
EA	[1.30; 1.30]	eV
EA	1.30 ± 0.03	eV	NIST
EA	1.30 ± 0.00	eV	NIST
EA	1.30 ± 0.01	eV	NIST
EA	1.30 ± 0.20	eV	NIST
ΔfH°gas	284.90 ± 0.80	kJ/mol	NIST
IE	[7.50; 7.80]	eV
IE	7.58	eV	NIST
IE	7.58	eV	NIST
IE	7.57	eV	NIST
IE	7.50	eV	NIST
IE	7.62 ± 0.07	eV	NIST
IE	7.57	eV	NIST
IE	7.50 ± 0.30	eV	NIST
IE	7.58	eV	NIST
IE	Outlier 7.80 ± 0.20	eV	NIST
IE	7.60	eV	NIST
IE	7.51 ± 0.07	eV	NIST
IE	7.58	eV	NIST
IE	7.53	eV	NIST
S°gas,1 bar	173.00 ± 0.00	J/mol×K	NIST
S°solid,1 bar	42.55 ± 0.20	J/mol×K	NIST

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
η	[0.0022140; 0.0035200]	Pa×s	[1273.00; 1673.00]
η	0.0035200	Pa×s	1273.00	A Novel Vibrating Finger Viscometer for High-Temperature Measurements in Liquid Metals and Alloys
η	0.0029040	Pa×s	1323.00	A Novel Vibrating Finger Viscometer for High-Temperature Measurements in Liquid Metals and Alloys
η	0.0028120	Pa×s	1373.00	A Novel Vibrating Finger Viscometer for High-Temperature Measurements in Liquid Metals and Alloys
η	0.0026490	Pa×s	1423.00	A Novel Vibrating Finger Viscometer for High-Temperature Measurements in Liquid Metals and Alloys
η	0.0025400	Pa×s	1473.00	A Novel Vibrating Finger Viscometer for High-Temperature Measurements in Liquid Metals and Alloys
η	0.0024980	Pa×s	1523.00	A Novel Vibrating Finger Viscometer for High-Temperature Measurements in Liquid Metals and Alloys
η	0.0023990	Pa×s	1573.00	A Novel Vibrating Finger Viscometer for High-Temperature Measurements in Liquid Metals and Alloys
η	0.0023320	Pa×s	1623.00	A Novel Vibrating Finger Viscometer for High-Temperature Measurements in Liquid Metals and Alloys
η	0.0022140	Pa×s	1673.00	A Novel Vibrating Finger Viscometer for High-Temperature Measurements in Liquid Metals and Alloys
σcond	61070000.00	S/m	298.00	Structural and physical studies of the Ag-rich alloys from Ag-Li system
ΔvapH	265.10	kJ/mol	1367.00	Mass spectrometric study of the vaporization behaviour of alpha-Na2NpO4: Thermodynamic investigation of the enthalpy of formation

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.00e-03; 110.75]	kPa	[1283.00; 2453.15]	The Yaws Handbook of Vapor Pressure
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.66364e+01
Coefficient B			-2.82950e+04
Coefficient C			-8.12200e+01
Temperature range, min.			1283.00
Temperature range, max.			2453.15
Pvap	1.00e-03	kPa	1283.00	Calculated Property
Pvap	9.96e-03	kPa	1413.02	Calculated Property
Pvap	0.07	kPa	1543.03	Calculated Property
Pvap	0.32	kPa	1673.05	Calculated Property
Pvap	1.23	kPa	1803.07	Calculated Property
Pvap	3.89	kPa	1933.08	Calculated Property
Pvap	10.59	kPa	2063.10	Calculated Property
Pvap	25.50	kPa	2193.12	Calculated Property
Pvap	55.45	kPa	2323.13	Calculated Property
Pvap	110.75	kPa	2453.15	Calculated Property

Mixtures

• silver + lead + copper
• silver + calcium
• silver + lithium
• silver + cadmium + indium
• silver + gallium
• silver + gold + gallium
• silver + indium
• silver + lead
• silver + gold + lead
• silver + tin + gallium
• antimony + silver
• silver + tin + indium
• silver + nickel + bismuth

Sources

• A Novel Vibrating Finger Viscometer for High-Temperature Measurements in Liquid Metals and Alloys
• Experimental investigation and modelling of phase equilibria for the Ag-Cu-Pb system in vacuum distillation
• Mass spectrometric study of the vaporization behaviour of alpha-Na2NpO4: Thermodynamic investigation of the enthalpy of formation
• Experimentally determined thermodynamic properties of schapbachite (a-AgBiS2) below T = 700 K
• Thermodynamic stability of AuSe at temperature from (400 to 700) K by a solid state galvanic cell
• Calorimetric studies and thermodynamic properties of liquid Ag-Ca alloys
• Calorimetric measurements and first principles to study the (Ag-Li) liquid system
• Thermodynamic study in the Ag-Sb-S system by the EMF method
• Thermodynamic properties of liquid Ag-Li alloys
• Enthalpy of mixing in the Ag-Cd-In ternary liquid phase
• Enthalpies of mixing of liquid Ag-Ga, Au-Ga and Ag-Au-Ga alloys
• Thermodynamic properties of liquid silver indium alloys determined from e.m.f. measurements
• Enthalpies of mixing of Au Pb and Ag Au Pb liquid alloys at 973K
• Partial and Integral Enthalpies of mixing of Ag-Ga-Sn liquid alloys
• Thermodynamic behavior of polyvalent solutes in solid silver: System Ag Sb
• The measurement of thermal conductivity variation with temperature for Sn-20 wt.% In based lead-free ternary solders
• Mixing enthalpies of liquid Bi-Ni and Ag-Bi-Ni alloys
• Thermodynamic properties of liquid silver-gold-gallium alloys determined from EMF measurements with solid YSZ electrolyte
• Structural and physical studies of the Ag-rich alloys from Ag-Li system
• KDB
• NIST Webbook
• The Yaws Handbook of Vapor Pressure

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Outlier This icon means that the value is more than 2 standard deviations away from the property mean.