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What is the potential energy surface of a molecule?
The potential energy surface of a molecule is a 3D map showing the molecule's potential energy at different atomic configurations. It reveals how the molecule's energy changes as its atoms move relative to each other. This information is crucial for understanding chemical reactions and molecular behavior.
When do atoms combined?
They combine with other atoms when they form a molecule. They do so because the energy state of the molecule produced is less than the energy state that existed in the uncombined atoms.
When matter changes state does become a different kind of substance?
Changes of state of matter are physical processes, the molecule remain unchanged.
When electrons are transferred from one molecule to another the molecule losing the electrons becomes and has a energy state?
When electrons are transferred from one molecule to another, the molecule losing the electrons becomes oxidized and typically has a higher energy state due to the loss of negatively charged particles. This process can result in the release of energy, as oxidation often occurs alongside a reduction reaction in the other molecule, which gains the electrons and becomes reduced. Consequently, the overall energy dynamics depend on the specific molecules involved and the context of the reaction.
What happens when a photon hits a chlorophyll molecule?
When a photon hits a chlorophyll molecule, it excites an electron within the molecule to a higher energy state. This energized electron is then passed along a chain of molecules in the photosystem to eventually drive the process of photosynthesis, converting light energy into chemical energy.
Molecule movement is greatest in what state of matter?
Molecule movement is greatest in the gaseous state of matter, where molecules have the most kinetic energy and are able to move freely and rapidly.
What is the energy pathway for a fluorescence source?
In fluorescence, energy is absorbed by a molecule, elevating it to a higher energy state called the excited state. The molecule then emits a photon as it returns to its ground state, producing fluorescence. This process involves the absorption of light energy, internal conversion within the molecule, and the emission of light energy in the form of fluorescence.
Can oxidized molecule gain energy?
No, an oxidized molecule has already lost electrons and is in a lower energy state. In order to gain energy, a molecule would need to be reduced by gaining electrons.
What is the potential energy surface of a molecule?
The potential energy surface of a molecule is a 3D map showing the molecule's potential energy at different atomic configurations. It reveals how the molecule's energy changes as its atoms move relative to each other. This information is crucial for understanding chemical reactions and molecular behavior.
When do atoms combined?
They combine with other atoms when they form a molecule. They do so because the energy state of the molecule produced is less than the energy state that existed in the uncombined atoms.
What is ionisation energy What is first ionisation energy?
The first ionization energy of an atom or molecule describes the amount of energy required to remove an electron from the atom or molecule in the gaseous state.
Which is the highest energy state?
The highest energy state is the excited state, where an atom or molecule has absorbed energy and its electrons are at higher energy levels than their ground state. This state is temporary and unstable, as the electrons will eventually return to their ground state and release the absorbed energy.
What energy source has the greatest influence on the state of matter of water?
the sun
Which energy source has the greatest influence on the state of matter of water?
Idle
How is a chemical reaction different from a physical reaction?
A chemical reaction changes the actual chemical make-up of a molecule while a physical reaction only changed the physical state of a molecule, the atomic make-up in the molecule stays the same. (ex: H20(l) ---heat--> H20(g))
When matter changes state does become a different kind of substance?
Changes of state of matter are physical processes, the molecule remain unchanged.
What is the opposite of ground state?
Excited state is the opposite of ground state in the context of atoms and molecules. Ground state refers to the lowest energy state of an atom or molecule, while excited states have higher energy levels due to the absorption of energy.
