Column A
1. Cu(OH)2: bonds are breaking
2. CuSO4: bonds are breaking
3. NaOH: bonds are breaking
4. Na2SO4: bonds are breaking
Column B
a. This substance is a reactant in the reaction, so bonds were broken and energy was absorbed.
a. This substance is a reactant in the reaction, so bonds were broken and energy was absorbed.
a. This substance is a reactant in the reaction, so bonds were broken and energy was absorbed.
a. This substance is a reactant in the reaction, so bonds were broken and energy was absorbed.
Look at the chemical reaction above. For each substance in the reaction, decide if bonds are breaking or forming.
Column A
1.
Cu(OH)2
:
Cu(OH)2
2.
CuSO4
:
CuSO4
3.
NaOH
:
NaOH
4.
Na2SO4
:
Na2SO4
Column B
a.This substance is a reactant in the reaction, so bonds were broken and energy was absorbed.
b.This substance is a product in the reaction, so bonds were formed and energy was released.
1 answer