Enthalpy Of Vaporization Of Methanol

Methanol, CH_three-OH, is a colorless, adequately volatile liquid with a faintly sweet pungent scent, similar, but somewhat milder and sweeter than ethanol.

Methanol is toxic, and may cause blindness. The vapors are slightly heavier than air and may explode if ignited.

Methanol is used to brand chemicals, to removewater from automotive and aviation fuels, as a solvent for paints and plastics, and every bit an ingredient in a wide variety of products.

The phase diagram of methanol is shown beneath the table.

Chemical, physical and thermal properties of ethanol:
Values are given for liquid at 25^oC /77^oF / 298 Thousand and ane bara, if not other stage, temperature or pressure given.

For full tabular array with Regal Units - rotate the screen!

Property	Value	Unit		Value	Unit		Value	Unit		Value	Unit
Acerbity (pKa1)	xv.3
Autoignition temperature	737	K		464	°C		867	°F
Boiling Point	337.85	K		64.7	°C		148.5	°F
Critical density	eight.7852	mol/dm3		281	kg/miii		0.546	slug/ftiii		17.6	lb/ft3
Critical Pressure	8.22	MPa=MN/mtwo		82.2	bar		81.1	atm		1192	psi=lbf/inii
Critical temperature	513.4	Chiliad		240.2	°C		464.4	°F
Critical Book	114	cm3/mol		0.003552456	m3/kg		ane.831	ft3/slug		0.05690	ftthree/lb
Density (gas) at 0.17 bar	half dozen.87	mol/m3		0.220	kg/m3		0.00043	slug/ftiii		0.0137	lb/ft3
Density (liquid)	24540	mol/m3		786.3	kg/thou3		ane.526	slug/ftiii		49.09	lb/ft3
Combustible, gas and liquid	yes
Flash point	284	One thousand		11	°C		52	°F
Gas abiding, individual - R	259.5	J/kg Grand		0.07208	Wh/(kg K)		1552	[ft lbf/slug °R]		48.23	[ft lbf/lb °R]
Gibbs complimentary energy of formation (gas)	-163	kJ/mol		-5087	kJ/kg		-2187	Btu/lb
Heat (enthalpy) of combustion (gas)	726.one	kJ/mol		22661	kJ/kg		9.vii	Btu/lb
Heat (enthalpy) of combustion (liquid)	-727	kJ/mol		-22689	kJ/kg		-9.8	Btu/lb
Heat (enthalpy) of germination (gas)	-205	kJ/mol		-6398	kJ/kg		-2751	Btu/lb
Heat (enthalpy) of formation (liquid)	-239	kJ/mol		-7459	kJ/kg		-3207	Btu/lb
Heat (enthalpy) of fusion at -143°F/-97°C	3.18	kJ/mol		99	kJ/kg		42.67	Btu/lb
Heat (enthalpy) of evaporation	37.34	kJ/mol		1165	kJ/kg		501.01	Btu/lb
Specific heat chapters, Cp (gas) at 0.17 bar	116	J/mol 1000		3.62	kJ/kg K		0.865	Btu/lb°F or cal/thousand G
Specific oestrus chapters, Cp (liquid)	81.two	J/mol One thousand		ii.53	kJ/kg K		0.605	Btu/lb°F or cal/g 1000
Specific oestrus capacity, Cp (solid) at -148°F/-100°C	105	J/mol Grand		3.28	kJ/kg K		0.783	Btu/lb°F or cal/g Yard
Specific heat capacity, Cv (gas) at 0.17 bar	94.5	J/mol K		2.95	kJ/kg K		0.704	Btu/lb°F or cal/g K
Specific rut chapters, Cv (liquid)	67.ix	J/mol Grand		2.12	kJ/kg Thousand		0.506	Btu/lb°F or cal/one thousand G
Ionization potential	10.84	eV
log KOW (Octanol/Water Partition Coefficient)	-0.77
Melting bespeak	175.55	K		-97.6	°C		-143.seven	°F
Molecular Weight	32.042	g/mol					0.07064	lb/mol
Solubility in water	1000	mg/ml		(Miscible in h2o)
Audio velocity in gas, at 0.17 bar	297	yard/s					974	ft/s		665	mi/h
Sound velocity in liquid	1100	m/s					3608	ft/s		2464	mi/h
Specific Gravity (gas) (relativ to air)	1.xi
Specific Gravity (liquid) (relativ to water)	0.79
Specific Heat Ratio (gas) - cp/cv	i.23
Specific Heat Ratio (liquid) - cp/cv	i.20
Specific Book (gas) 0.17 bar	0.146	m3/mol		four.55	m3/kg		2342.63	ft3/slug		72.81	ftthree/lb
Specific Volume (liquid)	0.0000408	chiliadiii/mol		0.00127	mthree/kg		0.655	ft3/slug		0.0204	ft3/lb
Standard molar entropy, Southward° (gas)	240	J/mol K		7.49	kJ/kg K		1.79	Btu/lb °F
Standard molar entropy, S° (liquid)	127	J/mol K		iii.96	kJ/kg Grand		0.95	Btu/lb °F
Surface tension	22.07	dynes/cm		0.02207	N/thousand
Thermal Conductivity	0.202	W/chiliad°C		0.116713	Btu/hr ft °F
Triple betoken force per unit area	one.86*10-7	MPa=MN/m2		1.86*ten-half dozen	bar		ane.84*10-6	atm		2.70*10-5	psi=lbf/inii
Triple bespeak temperature	175.50	K		-97.7	°C		-143.77	°F
Vapor (saturation) pressure	0.0169	MPa=MN/10002		127.0	mm Hg		0.1671	atm		2.46	psi=lbf/inii
Viscosity, dynamic (absolute)	0.544	cP		365.55	[lbm /ft southward*10-6]		11.36	[lbf due south/fttwo *10-six]
Viscosity, kinematic	0.692	cSt		7.iv	[fttwo/s*10-six]

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Follow the links beneath to go values for the listed properties of methanol at varying pressure level and temperature:

• Density and specific weight
• Dynamic and kinematic viscosity
• Specific heat (heat capacity)

See as well more than almost atmospheric pressure, and STP - Standard Temperature and Pressure & NTP - Normal Temperature and Pressure,
every bit well as Thermophysical properties of: Acetone, Acetylene, Air, Ammonia, Argon, Benzene, Butane, Carbon dioxide, Carbon monoxide, Ethane, Ethanol, Ethylene, Helium, Hydrogen, Hydrogen sulfide, Methane, Nitrogen, Oxygen, Pentane, Propane, Toluene, Water and Heavy h2o, D₂O.

Methanol is a liquid at standard atmospheric condition. However, at low temperature and/or very loftier pressures information technology becomes a solid.

The phase diagram for methanol shows the stage behavior with changes in temperature and pressure. The curve between the disquisitional point and the triple point shows the methanol boiling betoken with changes in pressure. It also shows the saturation pressure with changes in temperature.

At the critical betoken at that place is no change of country when pressure is increased or if estrus is added.

The triple point of a substance is the temperature and pressure at which the 3 phases (gas, liquid, and solid) of that substance coexist in thermodynamic equilibrium.

Enthalpy Of Vaporization Of Methanol,

Source: https://www.engineeringtoolbox.com/methanol-methyl-alcohol-properties-CH3OH-d_2031.html

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