Energy: Endo vs Exo

If enthalpy(ΔH) is on the reactants side of a chemical reaction, then the reaction is _________.

• Endothermic

• Exothermic

Tags

NGSS.HS-PS1-4

If enthalpy(ΔH) is on the products side of a chemical reaction, then the reaction is _________.

• Endothermic

• Exothermic

Tags

NGSS.HS-PS1-4

If an enthalpy (ΔH) value is given outside of a chemical equation and it is a positive value, then the reaction is _______________.

• Endothermic

• Exothermic

Tags

NGSS.HS-PS1-4

If an enthalpy (ΔH) value is given outside of a chemical equation and it is a negative value, then the reaction is _______________.

• Endothermic

• Exothermic

Baking a cake (system: cake)

• Endothermic

• Exothermic

Tags

NGSS.HS-PS1-4

Melting an Ice cube (System: Ice cube)

• Exothermic

• Endothermic

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Burning gasoline in a car (system: gasoline)

• Exothermic

• Endothermic

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-1

Photosynthesis (system: plant)

• Exothermic

• Endothermic

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

Your car burns gasoline as you drive from home to school

• Endothermic

• Exothermic

Tags

NGSS.HS-PS1-4

An egg is cooked in a frying pan.

• endothermic

• exothermic

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-4