Podcast
Questions and Answers
What is the correct system-surroundings diagram for the reaction 4 CO2 (g) + 6 H2O (g) → 2 C2H6 (g) + 7 O2 (g) at constant temperature and external pressure?
What is the correct system-surroundings diagram for the reaction 4 CO2 (g) + 6 H2O (g) → 2 C2H6 (g) + 7 O2 (g) at constant temperature and external pressure?
- Sys-Surr Diagrams-3.jpg
- Sys-Surr Diagrams-2.jpg
- Sys-Surr Diagrams-4.jpg (correct)
- Sys-Surr Diagrams-1.jpg
Which system-surroundings diagram represents the forward chemical reaction H2 (g) + Br2 (l) → 2 HBr (g) at constant temperature and external pressure?
Which system-surroundings diagram represents the forward chemical reaction H2 (g) + Br2 (l) → 2 HBr (g) at constant temperature and external pressure?
- Sys-Surr Diagrams-1.jpg
- Sys-Surr Diagrams-4.jpg (correct)
- Sys-Surr Diagrams-3.jpg
- Sys-Surr Diagrams-2.jpg
What is the correct system-surroundings diagram for an air-filled balloon that contracts in volume when placed in a small amount of liquid nitrogen at –196 °C?
What is the correct system-surroundings diagram for an air-filled balloon that contracts in volume when placed in a small amount of liquid nitrogen at –196 °C?
- Sys-Surr Diagrams-1.jpg (correct)
- Sys-Surr Diagrams-2.jpg
- Sys-Surr Diagrams-3.jpg
- Sys-Surr Diagrams-4.jpg
Which system-surroundings diagram represents a cup of water that evaporates into a gas and releases to the atmosphere under constant atmospheric pressure?
Which system-surroundings diagram represents a cup of water that evaporates into a gas and releases to the atmosphere under constant atmospheric pressure?
What is the sign of ΔH for the reaction 4 CO2 (g) + 6 H2O (g) → 2 C2H6 (g) + 7 O2 (g)?
What is the sign of ΔH for the reaction 4 CO2 (g) + 6 H2O (g) → 2 C2H6 (g) + 7 O2 (g)?
What is the effect of the reaction H2 (g) + Br2 (l) → 2 HBr (g) on the system at constant temperature and external pressure?
What is the effect of the reaction H2 (g) + Br2 (l) → 2 HBr (g) on the system at constant temperature and external pressure?
What is the sign of ΔS°sys for the reaction 2 C2H6 (g) + 7 O2 (g) → 4 CO2 (g) + 6 H2O (g)?
What is the sign of ΔS°sys for the reaction 2 C2H6 (g) + 7 O2 (g) → 4 CO2 (g) + 6 H2O (g)?
At what temperature is the reaction 2 H (g) → H2 (g) spontaneous?
At what temperature is the reaction 2 H (g) → H2 (g) spontaneous?
What is the sign of ΔS°surr for the compression of gas in a closed system?
What is the sign of ΔS°surr for the compression of gas in a closed system?
Under what conditions is the reaction CO2 (s) → CO2 (g) spontaneous?
Under what conditions is the reaction CO2 (s) → CO2 (g) spontaneous?
What is the relationship between ΔS°sys and ΔS°surr during the reaction 2 C2H6 (g) + 7 O2 (g) → 4 CO2 (g) + 6 H2O (g)?
What is the relationship between ΔS°sys and ΔS°surr during the reaction 2 C2H6 (g) + 7 O2 (g) → 4 CO2 (g) + 6 H2O (g)?
