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WorksheetsW2D3 Quizizz Bond Energy #6
Total questions: 15
Worksheet time: 10mins
Does breaking bonds require energy, release energy, or not involve energy at all?
requires energy to break
releases energy when broken
No energy involved
When chemical bonds are made, energy is...
released
absorbed
Energy is released when new chemical bonds are made because when electrons are shared to create the bonds, this new arrangement is a ____ energy state.
lower
higher
It takes energy input to break chemical bonds because this new arrangement is a ____ energy state.
higher
lower
When you break chemical bonds by putting energy into the system you are creating a higher energy state. This is like the atoms are ____ happy.
more
less
When chemical bonds are made, energy is given off, and a new lower energy state is created. This is like the atoms are ___ happy.
more
less
How much energy does it take to break the bonds to start this reaction?
634kcal/mol
828 kcal/mol
-194 kcal/mol
How much energy does this reaction give off when the new bonds are formed?
634kcal/mol
828 kcal/mol
-194 kcal/mol
What is the difference between how much energy it takes to break the old bonds to start the reaction and how much energy is given off when the new bonds are formed?
634kcal/mol
828 kcal/mol
-194 kcal/mol
What is the delta H of this reaction?
634kcal/mol
828 kcal/mol
-194 kcal/mol
Is this reaction endothermic or exothermic?
endothermic
exothermic
