A-level Chemistry: Entropy + Gibbs Free Energy

Tags

NGSS.HS-PS1-4

• –129 (J K^–1 mol^–1)

• 1777 (J K^–1 mol^–1)

• 20 (J K^–1 mol^–1)

• –541 (J K^–1 mol^–1)

Tags

NGSS.HS-PS1-4

• 899 K

• 525 K

• 405 K

• 923 K

Tags

NGSS.HS-PS1-5

Entropy in the reaction ​ (a)  

• (Because) a ​ (b)   is formed from a ​ (c)  

• Gases are more ​ (d)  

• Increases
• gas
• solid
• disordered
• decreases
• ordered
• liquid
• stays the same

• 91.1 kJ mol^–1

• 260.93 kJ mol^–1

• -122 kJ mol^–1

• -247.84 kJ mol^–1

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-1

With increasing temperature, the feasibility will:

• ​ (a)   and the reaction will become ​ (b)   feasible; [1 mark]

• Because ∆G will ​ (c)   ; [1 mark]

• Increase
• more
• decrease
• less

Tags

NGSS.HS-PS1-4

NGSS.HS-PS1-5

Give answer to closest K

Mathematical Equivalence

ON

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-1