Synthesis of Wollastonite Powders by Combustion Method: Role of Amount of Fuel

Table 1

Thermodynamic data employed in calculations [27].

Compound	ΔHf (kJ/mol)	Cp (J/mol.K)
Ca(NO3)2.4H2O	−2132.33	149.4
SiO2	−903.49	43.975
(NH2)2CO	−333.51	92.79
HNO3	−174.1	—
CaSiO3	−1628.4	86.448
CO2	−393.51	37.1
H2O	−241.82	35.59
N2	0	29.124