Is the following reaction spontaneous at 298 K? (Answer by calculating delta G)

H2O (g) + C (s) - > CO (g) + H2 (g)

Delta H = 131.3 kJ/mole

Delta S = 134 j/mole K

Question

Chemistry

Greta Zimmerman

21 March, 22:24

Is the following reaction spontaneous at 298 K? (Answer by calculating delta G)

H2O (g) + C (s) - > CO (g) + H2 (g)

Delta H = 131.3 kJ/mole

Delta S = 134 j/mole K

+1

Answers (1)

Know the Answer?

Lucy Lyons · Answer 1

The reaction H2O (g) + C (s) - > CO (g) + H2 (g) is NOT spontaneous because its ΔG = 91 kJ/moles

Explanation:

ΔG is calculated by ΔH - TΔS

ΔG = ΔH - TΔS

ΔG = 131.3 kJ/mole - 298K. 0,134kJ/mole K

ΔG = 91.068 kJ/moles

Be careful with the ΔS, because you have J, and in ΔH, you have kJ

Is the following reaction spontaneous at 298 K? (Answer by calculating delta G)H2O (g) + C (s) - > CO (g) + H2 (g)Delta H = 131.3 kJ/moleDelta S = 134 j/mole K

Is the following reaction spontaneous at 298 K? (Answer by calculating delta G)

H2O (g) + C (s) - > CO (g) + H2 (g)

Delta H = 131.3 kJ/mole

Delta S = 134 j/mole K