Thermodynamics Vocabulary Quiz

What theory explains how chemical reactions occur and why rates differ for different reactions?

• Thermochemical equation

• Collision Theory

• Gibbs Free Energy

• Entropy

Tags

NGSS.HS-PS1-5

What is the term for the temporary structure formed during a chemical reaction?

• System

• Activated Complex

• Catalyst

• Reaction intermediate

Which term refers to the part of the universe being studied in thermodynamics?

• Surroundings

• System

• Heat

• Entropy

What is the energy transferred between objects due to a temperature difference?

• Internal energy

• Heat

• Entropy

• Enthalpy

Tags

NGSS.HS-PS3-4

What is the term for the energy required to start a reaction?

• Activation energy

• Bond enthalpy

• Thermal equilibrium

• Enthalpy

What is the measure of disorder or randomness in a system?

• Enthalpy

• Entropy

• Gibbs Free Energy

• Heat

Which law states that energy cannot be created or destroyed?

• First law of thermodynamics

• Second law of thermodynamics

• Zeroth law of thermodynamics

• Hess's law of heat summation

What is the term for the heat content of a system at constant pressure?

• Entropy

• Enthalpy

• Internal energy

• Specific heat

What principle states that a system at equilibrium will adjust to counteract changes?

• Le Chatelier's Principal

• Gibbs Free Energy

• Thermochemical equation

• Calorimetry

What is the term for the energy change when one mole of a compound is formed from its elements?

• Standard enthalpy of formation

• Molar enthalpy of fusion

• Heat of vaporization

• Activation energy