Enthalpy Vocabulary

If ΔH < 0, __________________.

• the reaction is exothermic

• energy is given out

• temperature increases

• temperature decreases

Tags

NGSS.HS-PS1-4

This reaction is __________.

• endothermic

• exothermic

Tags

NGSS.HS-PS1-4

the total heat content of a system

• enthalpy

• entropy

• temperature

• thermometer

What is the term for the energy change that occurs when a substance undergoes a chemical reaction?

• Enthalpy Change

• Entropy Change

• Gibbs Free Energy

• Activation Energy

Tags

NGSS.HS-PS1-4

What is the bond enthalpy of a chemical bond an indication of?

• The volume change during the reaction

• The pressure required to break the bond

• The color change when the bond breaks

• The energy required to break the bond in one mole of gaseous molecules

Tags

NGSS.HS-PS1-4

• The reaction is at equilibrium

• The reaction is endothermic

• The reaction is exothermic

• The reaction does not proceed

If ΔH < 0, __________________.

• the reaction is exothermic

• energy is given out

• temperature increases

• temperature decreases

Tags

NGSS.HS-PS3-1

the total heat content of a system

• enthalpy

• entropy

• temperature

• thermometer

What is the term for the energy change that occurs when a substance undergoes a chemical reaction?

• Enthalpy Change

• Entropy Change

• Gibbs Free Energy

• Activation Energy

Tags

NGSS.HS-PS1-4

What is the bond enthalpy of a chemical bond an indication of?

• The volume change during the reaction

• The pressure required to break the bond

• The color change when the bond breaks

• The energy required to break the bond in one mole of gaseous molecules

Tags

NGSS.HS-PS1-4