Kinetics: Chemistry's Demolition Derby

Hank makes the argument that chemical reactions basically work just like ___

• a boxing match

• a demolition derby

• a high-speed chase

• a bank heist

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Atoms and molecules move around occasionally ramming into each other. If they do it right, ___

• a color change occurs

• an explosion happens

• a reaction happens

• they stick together

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For a collision to be effective, the hit has to be hard enough and it has to be ___

• between dissimilar masses

• a glancing blow

• between similar masses

• aligned just right

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The branch of chemistry that studies how collisions effect the rate of reactions is called ___

• gravimetric stoichiometry

• thermodynamics

• kinetics

• atomic theory

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Every reaction has a minimum amount of energy required to get it started, this is known as the ___

• zero-point energy

• mass-energy equivalence

• actual speed

• activation energy

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Where do particles get the energy required to overcome the activation energy?

• gravitational potential energy

• radiant energy

• nuclear energy

• kinetic energy

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Just like the cars in a demolition derby, all else being equal, the faster particles move the ___

• harder the collisions will be

• fewer collisions will occur

• more reactants are created

• more volume they will occupy

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Under the right conditions nitric oxide reacts with hydrogen gas to produce ___

• nitric acid and oxygen

• nitrogen gas and water

• potassium nitrate

• nitrogen triiodide

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The speed at which a chemical reaction proceeds is called ___

• the Mach number

• the kinetic constant

• terminal velocity

• the reaction rate

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The reaction rate (the rate at which the concentrations of the reactants decrease) has to be determined ___

• experimentally

• from the energy change

• from multiple thermodynamic factors

• theoretically

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