Gibbs Free Energy

Which of the following equations is correct?

• ΔG = TΔS - ΔH

• ΔG = ΔH - TΔS

• ΔG = ΔH + TΔS

• ΔG = ΔS - TΔH

For the following, which is true?

ΔH = negative

ΔS = negative

• Spontaneous at all temperatures

• Nonspontaneous at all temperatures

• Spontaneous at high temps, nonspontaneous at low temps

• Spontaneous at low temps, nonspontaneous at high temps

Tags

NGSS.HS-PS1-4

For the following, which is true?

ΔH = positive

ΔS = negative

• Spontaneous at all temperatures

• Nonspontaneous at all temperatures

• Spontaneous at high temps, nonspontaneous at low temps

• Spontaneous at low temps, nonspontaneous at high temps

For the following, which is true?

ΔH = negative

ΔS = positive

• Spontaneous at all temperatures

• Nonspontaneous at all temperatures

• Spontaneous at high temps, nonspontaneous at low temps

• Spontaneous at low temps, nonspontaneous at high temps

For the following, which is true?

ΔH = positive

ΔS = positive

• Spontaneous at all temperatures

• Nonspontaneous at all temperatures

• Spontaneous at high temps, nonspontaneous at low temps

• Spontaneous at low temps, nonspontaneous at high temps