(a phosphate group is removed.) when the chemical bond between the second and third phosphate groups is broken, creating adenosine diphosphate, a phosphate group, and releas … ing energy. 2 people found this useful. Bonnie Peregrine. 36,009 Contributions.
http://www.answers.com/Q/How_is_energy_released_from_ATP
The amount of energy stored is about 7,300 calories for every mole of ATP formed. At the energy-requiring site, the last phosphate group in the tail is broken off and the energy in the bond liberated. Again, about 7,300 calories of energy per mole is released. The ADP and the phosphate are then free to return to the power plant and be rejoined. In this way, ATP and ADP are constantly being recycled.
http://www.brooklyn.cuny.edu/bc/ahp/LAD/C7/C7_atp.html
The energy stored in ATP can be released by breaking the bond  between the second and third phosphate groups. Therefore, the  energy is released when a phosphate group is re … moved.
http://www.answers.com/Q/How_is_energy_released_from_ATP
ATP releases energy when the bond between the 2nd and 3rd phosphate group is broken forming (ADP)adenosine diphosphate. :0D Not really. Breaking a bond doesn't release ener … gy; rather, it requires energy. The energy gets released when new molecules -- with stronger bonds -- are formed.
http://www.answers.com/Q/How_is_energy_released_from_ATP
The energy is made available by ATP hydrolysis to adenosine monophosphate (AMP) as two phosphate groups are removed. Amino acid activation refers to the attachment of an amino acid to its Transfer RNA (tRNA).
https://en.wikipedia.org/wiki/Adenosine_triphosphate
ATP transports chemical energy within cells for metabolism. It is one of the end products of photophosphorylation, cellular respiration, and fermentation and used by enzymes and structural proteins in many cellular processes, including biosynthetic reactions, motility, and cell division.
https://en.wikipedia.org/wiki/Adenosine_triphosphate
In plants, ATP is synthesized in thylakoid membrane of the chloroplast during the light-dependent reactions of photosynthesis in a process called photophosphorylation. Here, light energy is used to pump protons across the chloroplast membrane.
https://en.wikipedia.org/wiki/Adenosine_triphosphate
At other times, ATP gives up its energy to a nonspontaneous synthetic reaction, such as the formation of sucrose. ATP is used to close the energy gap between energy-releasing reactions (food breakdown) and energy-requiring reactions (synthesis). When a molecule of fatty acid is burned, energy is given off. Some of this energy is trapped in molecules of ATP, and some is lost in the form of heat. Each ATP molecule can then be transported elsewhere within the cell and used where needed. The energy-carrying part of an ATP molecule is the triphosphate tail.
http://www.brooklyn.cuny.edu/bc/ahp/LAD/C7/C7_atp.html
Adenosine Triphosphate Adenosine Triphosphate: Blue = ribose (a 5-carbon sugar) Green = adenine (a nirtogenous base) Yellow = phosphate groups Energy is stored in the bonds joining the phosphate groups (yellow). The covalent bond holding the third phosphate group carries about 7,300 calories of energy.
http://www.brooklyn.cuny.edu/bc/ahp/LAD/C7/C7_atp.html
The energy used by human cells requires the hydrolysis of 100 to 150 moles of ATP daily, which is around 50 to 75 kg. A human will typically use up his or her body weight of ATP over the course of the day. This means that each ATP molecule is recycled 500 to 750 times during a single day (100 / 0.2 = 500).
https://en.wikipedia.org/wiki/Adenosine_triphosphate
how is energy released from atp
The energy is released from adenosine triphosphate, when the bond between the 2nd and 3rd phosphate group is broken forming adenosine diphosphate. When the bond between the 2nd and 3rd phosphate group is broken it forms  ADP stands for Adenosine Diphosphate.