Endo/Exo-thermic reactions

mitul_patel07
Mind Map by mitul_patel07, updated more than 1 year ago
mitul_patel07
Created by mitul_patel07 almost 6 years ago
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Mind Map on Endo/Exo-thermic reactions, created by mitul_patel07 on 03/23/2014.

Resource summary

Endo/Exo-thermic reactions
1 ENDOTHERMIC REACTIONS
1.1 Energy is taken in
1.2 A CHEMICAL REACTION THAT TAKES HEAT ENERGY IN, SHOWN BY A FALL IN TEMP.
1.3 As ammonium nitrate dissolves in water it takes in heat energy from its surroundings
1.4 Photosynthesis uses light energy from the sun to convert Co2 and H2O into glucose and o2
1.5 Old bonds are broken and new bonds are made
1.6 ENERGY MUST BE SUPPLIED TO BREAK EXISTING BONDS
1.7 The energy required to break old bonds in the reaction, is GREATER than the energy released when new bonds are formed in the products
2 EXOTHERMIC REACTIONS
2.1 A CHEMICAL REACTION IN WHICH HEAT ENERGY IS GIVEN OFF, SHOWN BY RISE IN TEMP.
2.2 Energy is given off
2.3 Burning fuels (combustion) and Explosions
2.4 Olds bonds are broken and new bonds are made
2.5 ENERGY IS released when new bonds are formed
2.6 The heat energy released in forming bonds in the products, is GREATER than the energy used in breaking old bonds in the reactants
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