Interpretation:
The ways to increase the rate of rusting of iron without placing the steel wool in flame, according to collision theory are to be suggested and the increase in the reaction rate is to be explained.
Concept Introduction:
Collision theory is totally based on the fact that for a reaction to occur the reactant species should collide together. For the formation of a particular product, the reactants have to collide in particular orientation or effective orientation and at the same time they have to cross the energy barrier and to cross, they require sufficient energy known as activation energy.
The effective collision is affected by some factors: temperature and concentration of reactants and surface area.
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INTO TO CHEMISTRY (EBOOK ACCESS CODE)
- How do chemists envision reactions taking place in terms of the collision model for reactions? Give an example of a simple reaction and how you might envision the reaction’s taking place by means of a collision between the molecules.arrow_forward. Explain what it means that a reaction has reached a state of chemical equilibrium. Explain why equilibrium is a dynamic state: Does a reaction really “stop” when the system reaches a state of equilibrium? Explain why, once a chemical system has reached equilibrium, the concentrations of all reactants remain constant with time. Why does this constancy of concentration not contradict our picture of equilibrium as being dynamic? What happens to the rates of the forward and reverse reactions as a system proceeds to equilibrium from a starting point where only reactants are present?arrow_forwardSubstances that poison a catalyst pose a major concern for many engineering designs, including those for catalytic converters. One design option is to add materials that react with potential poisons before they reach the catalyst. Among the commonly encountered catalyst poisons are silicon and phosphorus, which typically form phosphate or silicate ions in the oxidizing environment of an engine. Group 2 elements are added to the catalyst to react with these contaminants before they reach the working portion of the catalytic converter. If estimates show that a catalytic converter will be exposed to 625 g of silicon during its lifetime, what mass of beryllium would need to be included in the design?arrow_forward
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