0
DCPIP is a blue colour when its oxidized and when it is reduced it turns into a colourless solution. DCPIP replaces NADPH the final electron acceptor in the light dependent reaction.
So basically, as the reaction continues, the more DCPIP is reduced and the absorbance decreases.
What else can I help you with?
Does the hill reaction involve cyclic or non-cyclic phosphorylation?
It involves cyclic phosphorylation because electrons are continously recycled. The electrons lost by cholorphyll molecules are gained by DCPIP and vice versa. Thus, the hill reaction only involves cyclic phosphorylation, unless the electrons are lost to the surrounding environment.
Which analogy can best be likened to the activation energy of a chemical reaction?
The activation energy of a chemical reaction can be likened to pushing a car up a hill before it can roll down to the other side. Just like how the initial push is needed to start the motion, the activation energy is required to initiate a chemical reaction. Once the reaction is started, it can proceed spontaneously.
Is rolling a ball up a hill exothermic?
Rolling a ball up a hill is not a chemical reaction, so it is not classified as exothermic (releasing heat) or endothermic (absorbing heat). The energy required to roll the ball up the hill comes from the input of mechanical work, rather than a chemical process.
Reaction where the products have lower energy than the reactants?
Chemical reaction where the energy content of the products is less than that of the reactants; heat is given out from the system. eg. http://en.wikipedia.org/wiki/Exothermic_reaction * Combustion reactions of fuels * Neutralization reactions such as direct reaction of acid and base * Adding concentrated acid to water * Adding water to anhydrous copper(II) sulfate * The Thermite reaction * Reactions taking place in a self-heating can based on lime and aluminum * The setting of cement and concrete * Many corrosion reactions such as oxidation of metals * Most polymerisation reactions * The Haber-Bosch process of ammonia production
Which has the highest activation energy?
If the activation energy of a reaction is high, then it requires a large amount of energy to initiate the reaction. The situation arising when a spontaneous reaction has a large activation energy is similar to rolling a ball over a hill. At first, energy must be expended to move the ball to the crest of the hill (or, in the case of a reaction, impart enough energy to the molecules so that their bonds can be sufficiently weakened). However, once the ball is at the top of the hill, it rolls down on its own. This is analogous to the reforming of chemical bonds, which releases energy. High activation energies are typical when a reaction involves molecules whose bonds are strong.
What compounds steal electrons?
DCPIP acts as an electron acceptor of a Hill Reacton. In this way, it "steals" electrons.
Does the hill reaction involve cyclic or non-cyclic phosphorylation?
It involves cyclic phosphorylation because electrons are continously recycled. The electrons lost by cholorphyll molecules are gained by DCPIP and vice versa. Thus, the hill reaction only involves cyclic phosphorylation, unless the electrons are lost to the surrounding environment.
What does the energy hill represent of an energy diagram?
The energy hill on an energy diagram represents the activation energy required for a chemical reaction to occur. It shows the energy difference between the reactants and the transition state of the reaction. The height of the energy hill determines the rate at which the reaction will proceed.
What does the energy hill represent on a energy diagram?
The energy hill on an energy diagram represents the activation energy needed for a chemical reaction to occur. It shows the energy barrier that must be overcome for the reaction to proceed from reactants to products. The height of the hill indicates the energy input required for the reaction to take place.
What does the energy hill represents on an energy diagram?
The additional potential energy the reactants must gain in order to react
What was the reaction of the colonists to the battle of bunker hill?
they were upset because they were getting taxes
What effect does boiling have upon isolated chloroplast how does this effect the chloroplasts ability to perform the hill reaction?
Boiling the chloroplasts will break them. Thus they will not be able to do the Hill reaction, as they will not have an intact membrane upon which to build up a pH gradient.
What is the affect on the pace count if you are travelling down-hill?
Lengthens it
What occur in a chemical reaction and why are chemical reaction important?
This is the energy needed to get us from our starting point to the top of the hill would be the activation enery
Does the weight on a skateboard affect how far it will go from the top of the hill?
yes
What does energy hill diagram represents?
An energy hill diagram represents the energy changes that occur during a chemical reaction. It visually shows the difference in energy between reactants and products, with the peak representing the activation energy needed for the reaction to occur.
Which analogy can best be likened to the activation energy of a chemical reaction?
The activation energy of a chemical reaction can be likened to pushing a car up a hill before it can roll down to the other side. Just like how the initial push is needed to start the motion, the activation energy is required to initiate a chemical reaction. Once the reaction is started, it can proceed spontaneously.
