Chemical Energy Quiz

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Questions and Answers

What is thermodynamics?

The study of chemical reactions
The study of equilibrium states
The study of microscopic systems
The study of energy transformations (correct)

What are the laws of thermodynamics based on?

The type of energy being transformed
Initial and final states of a system (correct)
Microscopic properties of a system
The rate of energy transformations in a system

What do the laws of thermodynamics apply to?

Systems in a non-equilibrium state
Microscopic systems containing a few molecules
Systems with changing macroscopic properties
Systems in equilibrium or moving from one equilibrium state to another (correct)

What is thermodynamics and what does it study?

Thermodynamics is the study of energy transformations and it deals with the changes in macroscopic systems involving a large number of molecules. Signup and view all the answers

What are the two ways in which chemical energy can be utilized?

Chemical energy can be released as heat during chemical reactions when a fuel burns in air or it can be used to do mechanical work when a fuel burns in an engine or provide electrical energy through a galvanic cell. Signup and view all the answers

When do the laws of thermodynamics apply?

The laws of thermodynamics apply only when a system is in equilibrium or moves from one equilibrium state to another equilibrium state. Signup and view all the answers