thermochemistry

In an endothermic reaction the system is releasing energy.

• True
• False

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Is the combustion of gasoline endothermic or exothermic?

• Endothermic
• Exothermic

Tags

NGSS.HS-PS1-4

If the enthalpy ter (ΔH) is negative the reaction is ____.

• Endothermic
• Exothermic
• Neutral

Tags

NGSS.HS-PS1-4

If ΔH is positive, heat would be shown on the _____ side of the thermochemical equation.

• Reactant
• Product

Tags

NGSS.HS-PS1-4

The diagram represents which type of reaction

• endothermic
• exothermic

Tags

NGSS.HS-PS1-4

ΔH value in an endothermic reaction is a positive number.

• True
• False

Tags

NGSS.HS-PS1-4

What is the Heat of Reaction  $\Delta H$  for this reaction?

• -200 KJ

• 200 KJ

• 400 KJ

• -300 KJ

Tags

NGSS.HS-PS1-4

What type of reaction is this?

• Exothermic

• Endothermic

• Energy Producing

• No way to tell

Tags

NGSS.HS-PS1-4

What kind of equation is this: 2KI + MgCl₂ + 200KJ ----> 2KCl + MgI₂

• Endothermic

• Exothermic

Tags

NGSS.HS-PS1-4

In an endothermic reaction, heat is ...

• taken in

• given out

Tags

NGSS.HS-PS1-4