Podcast
Questions and Answers
What is the experimental method of determining the energy released from a reaction?
What is the experimental method of determining the energy released from a reaction?
- Heats of Reaction & Molar Enthalpies
- Hess’s Law
- Standard Enthalpies of Formation
- Calorimetry (correct)
In a closed system containing pure water, how are transfers of thermal energy measured?
In a closed system containing pure water, how are transfers of thermal energy measured?
- By the pressure inside the system
- By the color change of the water
- By an increase or decrease in temperature of the water (correct)
- By the volume of water used
What symbol is used to denote heat in the context of energy released from a reaction?
What symbol is used to denote heat in the context of energy released from a reaction?
- (q) (correct)
- (E)
- (T)
- (H)
Why must the energy released from a reaction be absorbed by the water in a calorimetry experiment?
Why must the energy released from a reaction be absorbed by the water in a calorimetry experiment?
What does a positive or negative value of heat (q) from a system indicate?
What does a positive or negative value of heat (q) from a system indicate?
In a calorimetry experiment, why is a reaction carried out in a closed system containing pure water?
In a calorimetry experiment, why is a reaction carried out in a closed system containing pure water?
What is the symbol used to denote the heat in the context of energy released from a reaction?
What is the symbol used to denote the heat in the context of energy released from a reaction?
Which method is a mathematical approach to determine the enthalpy of a reaction?
Which method is a mathematical approach to determine the enthalpy of a reaction?
What does a positive value of heat (q) from a system indicate?
What does a positive value of heat (q) from a system indicate?
Which experimental method is used to determine the energy released from a reaction in a closed system containing pure water?
Which experimental method is used to determine the energy released from a reaction in a closed system containing pure water?
Flashcards are hidden until you start studying
