Enthalpy of Reaction

Is the following reaction endothermic or exothermic

• endothermic

• exothermic

Tags

NGSS.HS-PS1-4

Is the following reaction endothermic or exothermic

• endothermic

• exothermic

Tags

NGSS.HS-PS1-4

Does the graph represent an endothermic or exothermic reaction?

• Endothermic

• Exothermic

• Neither

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-1

D represents

• Potential Energy of Products

• Potential Energy of Reactants

• Change in Enthalpy

• Activation Energy

Tags

NGSS.HS-PS1-4

In an endothermic reaction, energy is

(a)  

• absorbed

• released

Tags

NGSS.HS-PS1-4

In an endothermic reaction ​ (a)   is required to break the bonds of the reactants than is ​ ​ (b)   when products form.

• more energy

• released

• less energy

• absorbed

Tags

NGSS.HS-PS1-4

reactions absorb energy around it making the area feel 'colder.' reactions release energy to the surrounding area making the area feel 'warmer.'

• Endothermic

• Exothermic

• Isothermic

Tags

NGSS.HS-PS3-4

The breakdown of Silver Chloride absorbs a great deal of energy from sunlight as it progresses; it can be described as both ​ (a)   and​ ​ (b)   .

• exothermic

• decomposition

• endothermic

• synthesis

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-4

Based upon the graph above, what type of reaction is this?

• Endothermic

• Exothermic

Tags

NGSS.HS-PS1-4

Using the table of average bond energies below the image, the ΔH for the reaction in kJ is.....

• + 160 kJ

• -63 kJ

• - 160 kJ

• -217 kJ

Tags

NGSS.HS-PS1-4