Check each reaction below that can be classified as exergonic: A. a firecracker explodes into a shower of sparks
B. a pail of water freezes into ice
C. a bonfire needs a match to get started
D. the wood in the bonfire burns
E. chemicals in a pack mix and become cold
F. water can be separated into hydrogen and oxygen using electrical energy
G. as food is digested, chemical bonds are broken to release energy
H. TNT is detonated to clear a mine of debris