Mixture of 1-Piperazineethanol + Water

Datasets

1. C_p,liquid - Molar heat capacity at constant pressure, J/K/mol (2)
2. Excess molar enthalpy (molar enthalpy (2)

Molar heat capacity at constant pressure, J/K/mol [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Mole fraction of 1-Piperazineethanol (1) - Liquid	Molar heat capacity at constant pressure, J/K/mol - Liquid
298.15	0.0999	104.20
303.15	0.0999	105.70
308.15	0.0999	107.10
313.15	0.0999	108.60
318.15	0.0999	110.40
323.15	0.0999	112.20
328.15	0.0999	114.30
333.15	0.0999	115.70
338.15	0.0999	118.50
343.15	0.0999	120.80
348.15	0.0999	122.50
353.15	0.0999	124.00
298.15	0.2000	126.90
303.15	0.2000	129.20
308.15	0.2000	131.50
313.15	0.2000	133.90
318.15	0.2000	136.10
323.15	0.2000	139.00
328.15	0.2000	142.30
333.15	0.2000	144.90
338.15	0.2000	148.00
343.15	0.2000	150.60
348.15	0.2000	153.00
353.15	0.2000	155.50
298.15	0.2921	145.80
303.15	0.2921	149.20
308.15	0.2921	151.90
313.15	0.2921	154.80
318.15	0.2921	157.50
323.15	0.2921	160.70
328.15	0.2921	164.20
333.15	0.2921	167.30
338.15	0.2921	170.60
343.15	0.2921	173.30
348.15	0.2921	175.60
353.15	0.2921	177.90
298.15	0.3916	165.40
303.15	0.3916	169.10
308.15	0.3916	171.50
313.15	0.3916	174.40
318.15	0.3916	177.50
323.15	0.3916	179.90
328.15	0.3916	182.40
333.15	0.3916	185.70
338.15	0.3916	188.10
343.15	0.3916	190.90
348.15	0.3916	194.00
353.15	0.3916	197.60
298.15	0.4896	184.70
303.15	0.4896	188.30
308.15	0.4896	191.00
313.15	0.4896	194.10
318.15	0.4896	196.80
323.15	0.4896	199.40
328.15	0.4896	202.00
333.15	0.4896	204.70
338.15	0.4896	207.50
343.15	0.4896	210.10
348.15	0.4896	212.80
353.15	0.4896	215.50
298.15	0.6011	206.40
303.15	0.6011	210.10
308.15	0.6011	212.70
313.15	0.6011	215.80
318.15	0.6011	218.20
323.15	0.6011	220.70
328.15	0.6011	223.70
333.15	0.6011	226.30
338.15	0.6011	229.10
343.15	0.6011	232.00
348.15	0.6011	234.80
353.15	0.6011	237.50
298.15	0.6947	224.80
303.15	0.6947	228.70
308.15	0.6947	231.40
313.15	0.6947	234.50
318.15	0.6947	237.10
323.15	0.6947	239.60
328.15	0.6947	242.60
333.15	0.6947	245.30
338.15	0.6947	248.20
343.15	0.6947	250.80
348.15	0.6947	253.50
353.15	0.6947	256.10
298.15	0.7952	244.60
303.15	0.7952	248.90
308.15	0.7952	251.80
313.15	0.7952	254.50
318.15	0.7952	257.20
323.15	0.7952	259.80
328.15	0.7952	262.70
333.15	0.7952	265.50
338.15	0.7952	268.20
343.15	0.7952	270.80
348.15	0.7952	273.30
353.15	0.7952	275.80
298.15	0.8939	264.20
303.15	0.8939	268.80
308.15	0.8939	271.60
313.15	0.8939	274.40
318.15	0.8939	277.20
323.15	0.8939	279.80
328.15	0.8939	282.80
333.15	0.8939	285.70
338.15	0.8939	288.40
343.15	0.8939	291.10
348.15	0.8939	293.60
353.15	0.8939	296.10
298.15	1.0000	285.00
303.15	1.0000	289.90
308.15	1.0000	292.90
313.15	1.0000	296.00
318.15	1.0000	298.90
323.15	1.0000	301.70
328.15	1.0000	305.00
333.15	1.0000	308.10
338.15	1.0000	311.00
343.15	1.0000	313.90
348.15	1.0000	316.50
353.15	1.0000	319.00

Molar heat capacity at constant pressure, J/K/mol [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Mole fraction of 1-Piperazineethanol (1) - Liquid	Molar heat capacity at constant pressure, J/K/mol - Liquid
298.15	0.0999	104.20
303.15	0.0999	105.70
308.15	0.0999	107.10
313.15	0.0999	108.60
318.15	0.0999	110.40
323.15	0.0999	112.20
328.15	0.0999	114.30
333.15	0.0999	115.70
338.15	0.0999	118.50
343.15	0.0999	120.80
348.15	0.0999	122.50
353.15	0.0999	124.00
298.15	0.2000	126.90
303.15	0.2000	129.20
308.15	0.2000	131.50
313.15	0.2000	133.90
318.15	0.2000	136.10
323.15	0.2000	139.00
328.15	0.2000	142.30
333.15	0.2000	144.90
338.15	0.2000	148.00
343.15	0.2000	150.60
348.15	0.2000	153.00
353.15	0.2000	155.50
298.15	0.2921	145.80
303.15	0.2921	149.20
308.15	0.2921	151.90
313.15	0.2921	154.80
318.15	0.2921	157.50
323.15	0.2921	160.70
328.15	0.2921	164.20
333.15	0.2921	167.30
338.15	0.2921	170.60
343.15	0.2921	173.30
348.15	0.2921	175.60
353.15	0.2921	177.90
298.15	0.3916	165.40
303.15	0.3916	169.10
308.15	0.3916	171.50
313.15	0.3916	174.40
318.15	0.3916	177.50
323.15	0.3916	179.90
328.15	0.3916	182.40
333.15	0.3916	185.70
338.15	0.3916	188.10
343.15	0.3916	190.90
348.15	0.3916	194.00
353.15	0.3916	197.60
298.15	0.4896	184.70
303.15	0.4896	188.30
308.15	0.4896	191.00
313.15	0.4896	194.10
318.15	0.4896	196.80
323.15	0.4896	199.40
328.15	0.4896	202.00
333.15	0.4896	204.70
338.15	0.4896	207.50
343.15	0.4896	210.10
348.15	0.4896	212.80
353.15	0.4896	215.50
298.15	0.6011	206.40
303.15	0.6011	210.10
308.15	0.6011	212.70
313.15	0.6011	215.80
318.15	0.6011	218.20
323.15	0.6011	220.70
328.15	0.6011	223.70
333.15	0.6011	226.30
338.15	0.6011	229.10
343.15	0.6011	232.00
348.15	0.6011	234.80
353.15	0.6011	237.50
298.15	0.6947	224.80
303.15	0.6947	228.70
308.15	0.6947	231.40
313.15	0.6947	234.50
318.15	0.6947	237.10
323.15	0.6947	239.60
328.15	0.6947	242.60
333.15	0.6947	245.30
338.15	0.6947	248.20
343.15	0.6947	250.80
348.15	0.6947	253.50
353.15	0.6947	256.10
298.15	0.7952	244.60
303.15	0.7952	248.90
308.15	0.7952	251.80
313.15	0.7952	254.50
318.15	0.7952	257.20
323.15	0.7952	259.80
328.15	0.7952	262.70
333.15	0.7952	265.50
338.15	0.7952	268.20
343.15	0.7952	270.80
348.15	0.7952	273.30
353.15	0.7952	275.80
298.15	0.8939	264.20
303.15	0.8939	268.80
308.15	0.8939	271.60
313.15	0.8939	274.40
318.15	0.8939	277.20
323.15	0.8939	279.80
328.15	0.8939	282.80
333.15	0.8939	285.70
338.15	0.8939	288.40
343.15	0.8939	291.10
348.15	0.8939	293.60
353.15	0.8939	296.10
298.15	1.0000	285.00
303.15	1.0000	289.90
308.15	1.0000	292.90
313.15	1.0000	296.00
318.15	1.0000	298.90
323.15	1.0000	301.70
328.15	1.0000	305.00
333.15	1.0000	308.10
338.15	1.0000	311.00
343.15	1.0000	313.90
348.15	1.0000	316.50
353.15	1.0000	319.00

Excess molar enthalpy (molar enthalpy of mixing), kJ/mol [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Mole fraction of 1-Piperazineethanol (1) - Liquid	Excess molar enthalpy (molar enthalpy of mixing), kJ/mol - Liquid
298.15	0.0322	-1.025
298.15	0.0720	-2.0276
298.15	0.1007	-2.692
298.15	0.1505	-3.272
298.15	0.1974	-3.681
298.15	0.3028	-4.081
298.15	0.4049	-4.002
298.15	0.4868	-3.761
298.15	0.5537	-3.423
298.15	0.6883	-2.56
298.15	0.7915	-1.786
298.15	0.9081	-0.8260
313.15	0.0333	-0.9940
313.15	0.0766	-2.066
313.15	0.1020	-2.545
313.15	0.1501	-3.219
313.15	0.2006	-3.629
313.15	0.2994	-3.98
313.15	0.4026	-3.863
313.15	0.5073	-3.511
313.15	0.5913	-3.078
313.15	0.6987	-2.379
313.15	0.8000	-1.649
313.15	0.8700	-1.09
333.15	0.0308	-0.8950
333.15	0.0695	-1.874
333.15	0.0994	-2.453
333.15	0.1505	-3.146
333.15	0.2005	-3.547
333.15	0.2992	-3.852
333.15	0.4018	-3.834
333.15	0.5040	-3.415
333.15	0.6218	-2.761
333.15	0.7020	-2.244
333.15	0.8002	-1.575
333.15	0.9032	-0.7860

Excess molar enthalpy (molar enthalpy of mixing), kJ/mol [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Mole fraction of 1-Piperazineethanol (1) - Liquid	Excess molar enthalpy (molar enthalpy of mixing), kJ/mol - Liquid
298.15	0.0322	-1.025
298.15	0.0720	-2.0276
298.15	0.1007	-2.692
298.15	0.1505	-3.272
298.15	0.1974	-3.681
298.15	0.3028	-4.081
298.15	0.4049	-4.002
298.15	0.4868	-3.761
298.15	0.5537	-3.423
298.15	0.6883	-2.56
298.15	0.7915	-1.786
298.15	0.9081	-0.8260
313.15	0.0333	-0.9940
313.15	0.0766	-2.066
313.15	0.1020	-2.545
313.15	0.1501	-3.219
313.15	0.2006	-3.629
313.15	0.2994	-3.98
313.15	0.4026	-3.863
313.15	0.5073	-3.511
313.15	0.5913	-3.078
313.15	0.6987	-2.379
313.15	0.8000	-1.649
313.15	0.8700	-1.09
333.15	0.0308	-0.8950
333.15	0.0695	-1.874
333.15	0.0994	-2.453
333.15	0.1505	-3.146
333.15	0.2005	-3.547
333.15	0.2992	-3.852
333.15	0.4018	-3.834
333.15	0.5040	-3.415
333.15	0.6218	-2.761
333.15	0.7020	-2.244
333.15	0.8002	-1.575
333.15	0.9032	-0.7860

Sources

• Molar excess enthalpy (Hm E) for systems of aqueous piperazine derivatives
• Molar Heat Capacity (Cp) of Aqueous Cyclic Amine Solutions from (298.15 to 353.15) K