0
What else can I help you with?
What type or reaction occurs when one substance donates electrons and other substance accepts those electrons?
It is a redox reaction.
What is the reaction when chlorophyll donates excited electrons?
the reaction center.
What happens to the atom in a chemical reaction from the reactant side to the product side?
The atom simply donates, gains, or shares electrons in order to either reach its octet or reduce its electronegativity
What happens in a acid base reaction according to the Arrhenius definition?
An acid donates an H+ and a base donates an OH
How many electrons does the complex have using 18 electron rule Cr(n5-C5H5)(CO)2(PPh3)?
To determine the number of electrons in the complex Cr(n5-C5H5)(CO)2(PPh3), we can apply the 18-electron rule. Chromium (Cr) in the zero oxidation state contributes 6 electrons. Each CO ligand donates 2 electrons (total of 4 from 2 CO), and the PPh3 ligand contributes 2 electrons. The n5-C5H5 (cyclopentadienyl) ligand donates 5 electrons. Thus, the total electron count is 6 (Cr) + 4 (from CO) + 2 (from PPh3) + 5 (from n5-C5H5) = 17 electrons.
What type or reaction occurs when one substance donates electrons and other substance accepts those electrons?
It is a redox reaction.
Which of the following statements regarding events in the functioning of photosystem II is false?
Statement: "The splitting of water molecules in the oxygen-evolving complex results in the release of oxygen gas." This statement is false. The splitting of water molecules in the oxygen-evolving complex results in the release of protons and electrons, not oxygen gas.
Where do the electron get their energy in photosystem 1?
They pass through a series of compounds to photosystem I, losing energy along the way. Photosystem I, like photosystem II, emits high-energy electrons in the light, and the electrons from photosystem II replace these. Photosystem II contains chlorophyll molecules. When a photon (quantum of light) reaches one of these chlorophyll molecules, the light energy activates an electron. This is then passed to the reaction center of the photosystem, where there are two molecules of chlorophyll P680. These pass the electrons to plastoquinone, which, like the chlorophylls, is embedded in the thylakoid membrane. The plastoquinone changes its position within the membrane, and passes the electrons to cytochromes b6 and f. At this stage the electrons part with a significant proportion of their energy, which is used to pump protons (H+) into the thylakoid lumen. These protons will later be used to generate ATP by chemiosmosis. The electrons now pass to plastocyanin, which is outside the membrane on the lumen side. Photosystem I is affected by light in much the same way as photosystem II. Chlorophyll P700 passes an activated electron to ferredoxin, which is in the stroma (the liquid outside the thylakoid). Ferredoxin in turn passes the electrons on, reducing NADP+ to NADPH + H+. Photosystem I accepts electrons from plastocyanin. So, effectively, photosystem II donates electrons to photosystem I, to replace those lost from photosystem I in sunlight. How does photosystem II recover electrons? When it loses an electron, photosystem II becomes an oxidizing agent, and splits water: 2H2O forms 4H+ + 4e- + O2. The electrons return photosystem II to its original state, and the protons add to the H+ concentration in the thylakoid lumen, for later use in chemiosmosis. The oxygen diffuses away.
What is the reaction when chlorophyll donates excited electrons?
the reaction center.
How does a nucleophile donate electrons in a chemical reaction?
A nucleophile donates electrons in a chemical reaction by using its electron-rich atoms to form a bond with an electron-deficient atom or molecule. This donation of electrons helps to stabilize the resulting compound and drive the reaction forward.
What is the role of the strongest reducing agent in a chemical reaction?
The strongest reducing agent in a chemical reaction donates electrons to other substances, causing them to be reduced (gain electrons) and itself to be oxidized (lose electrons). This helps drive the reaction forward by facilitating electron transfer.
What type of reactions occur when one substance donates electrons and another substance accepts those electrons?
That reaction is called Ionic bonding. Hope I helped, 2000AD
What does the reducing agent in a redox reaction do?
reduces another atom
When the compound donates electrons what does that compound become?
When it donates electrons, the compound is going through a process called "ionic bonding"
When a compound donates electrons the compound becomes what?
if a neutral atom donates an electron it will gain a positive charge. This is due to electrons having a negative charge.
What group of elements donates electrons?
metals
What is the reducing agent in the reaction Fe AgNO3 Fe NO3 3 Ag?
Iron (Fe) is the reducing agent in the reaction. It donates electrons to silver nitrate (AgNO3), causing the silver ions to gain electrons and form solid silver (Ag).
