Chemical Reactions Standards 2/3

If a chemical reaction is EXOTHERMIC, the temperature would....

• Stay the same
• Increase
• Decrease

Tags

NGSS.HS-PS1-4

During an endothermic reaction in a beaker if we are part of the surroundings and touched the beaker, it would feel _______. 

• Warm
• Cold

Tags

NGSS.HS-PS3-4

What happens to the bonds when 2 substances react

• They break so new bonds can form
• Nothing the bonds are too strong
• They change colour

Tags

NGSS.HS-PS1-4

If they energy required to break the bonds is greater than the energy given out by making new bonds the reaction is

• Exothermic
• Endothermic
• Neutralisation

Tags

NGSS.HS-PS1-4

If they energy required to break the bonds is less than the energy given out by making new bonds the reaction is

• Exothermic
• Endothermic
• Neutralisation

Tags

NGSS.HS-PS1-4

What happens to particles as they heat up?

• They slow down
• Nothing
• They don't move
• They speed up

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which letter corresponds to the energy of the products?

• A
• B
• C
• D

Tags

NGSS.HS-PS1-4

Which letter corresponds to the energy of the reactants?

• A
• B
• C
• D

Tags

NGSS.HS-PS1-4

Which letter corresponds to the activation energy of the forward reaction?

• A
• B
• C
• D

Tags

NGSS.HS-PS1-4

Which of the following will NOT speed up a reaction?

• Increase in temperature

• Increase in concentration

• Adding a catalyst

• Decreasing the temperature