Formula Molar Mass (g/mol) ?G° f (kJ/mol) ?H° f (kJ/mol) S° (J/(K mol)) BaO( s )
ID: 679665 • Letter: F
Question
Formula Molar Mass (g/mol) ?G°f (kJ/mol) ?H°f (kJ/mol) S° (J/(K mol)) BaO(s) 153.32 -552.3 CO2(g) 44.01 BaCO3(s) 197.34 -1138 T = 298 K R = 8.314 J/(K mole) Calculate the free energy of formation (kJ/mole) ofCO2(g). The free energy of reaction for theequation as written is -191 kJ. If the answer is negative, enterthe sign and then the magnitude. Express your answer to threesignificant figures.BaO(s) + CO2(g) BaCO3(s)
Formula Molar Mass (g/mol) ?G°f (kJ/mol) ?H°f (kJ/mol) S° (J/(K mol)) BaO(s) 153.32 -552.3 CO2(g) 44.01 BaCO3(s) 197.34 -1138 T = 298 K R = 8.314 J/(K mole) Calculate the free energy of formation (kJ/mole) ofCO2(g). The free energy of reaction for theequation as written is -191 kJ. If the answer is negative, enterthe sign and then the magnitude. Express your answer to threesignificant figures.
BaO(s) + CO2(g) BaCO3(s)
Explanation / Answer
G = -395kJ -191kJ = [-1138kJ] - [x - 552.3kJ] 947kJ = -x + 552.3kJ -394.7kJ = x