Journal of Thermodynamics

Research Article

Separation of Methylene Blue Dye from Aqueous Solution Using Triton X-114 Surfactant

Table 5

Change in entropy, change in enthalpy, and change in Gibbs free energy at different surfactant concentration and different temperature.
Triton
X-114
()		 (K)Δ (J/mole K)Δ (J/mole)−Δ (J/mole)
0.01303.15−0.3306253.565678415.20531919.0120
313.150.2769253.565678415.2053950.8279
323.150.5025253.565678415.20533486.4839
333.15−0.1417253.565678415.20536022.1400
0.02303.15−0.4368230.263571928.1536−2158.3041
313.150.1592230.263571928.1536144.3312
323.150.3266230.263571928.15362446.9665
333.15−0.1401230.263571928.15364749.6018
0.03303.15−0.1723140.685543483.1595−855.4407
313.150.1422140.685543483.1595551.4147
323.150.2902140.685543483.15951958.2701
333.15−0.1452140.685543483.15953365.1255
0.04303.15−0.1626120.877837434.5773−808.5972
313.150.1143120.877837434.5773400.1810
323.150.2354120.877837434.57731608.9592
333.15−0.1468120.877837434.57732817.7375
0.05303.15−0.037571.834321946.4542−180.6514
313.150.102871.834321946.4542537.6920
323.150.196371.834321946.45421256.0353
333.15−0.107171.834321946.45421974.3786
0.06303.15−0.006765.996419993.44573.4541
313.150.126365.996419993.4457663.4178
323.150.206265.996419993.44571323.3815
333.15−0.060365.996419993.44571983.3452
0.07303.150.040344.819613317.9861262.3618
313.150.128744.819613317.9861710.5581
323.150.182144.819613317.98611158.7544
333.15−0.077444.819613317.98611606.9507
0.08303.150.065525.65537394.6262378.9162
313.150.105625.65537394.6262635.4688
323.150.144425.65537394.6262892.0213
333.15−0.080425.65537394.62621148.5739
0.09303.150.109820.09115548.8418538.7604
313.150.088320.09115548.8418739.6713
323.150.170220.09115548.8418940.5823
333.15−0.084820.09115548.84181141.4932
0.1303.150.129338.346010958.1008660.7315
313.150.142538.346010958.10081044.1913
323.150.247238.346010958.10081427.6511
333.150.007038.346010958.10081811.1109