Project #1557 - chem

1)

Of the following equilibrium, predict which change will cause the concentration of the chlorine gas, [Cl2], to increase. 

 

PCl3 (g)   +   Cl2 (g)   <===>   PCl5 (g)     +     energy

 

A)

heating the mixture


B)

reducing the pressure on the mixture


C)

adding PCl3 (g)


D)

removing PCl5 (g)


E)

increasing the concentration of PCl5 (g)


F)

adding a catalyst

 

 

2) Explain how the concentration of an acid will increase the rate it reacts with a metal like zinc.

3) Explain why warm milk spoils more quickly than cold milk.Explain why the pathogen growth is faster based upon reaction rates.

 

4) In a car's exhaust, a catalytic converter quickly finishes the reaction of unburned fuel before it pollutes the air. How does the catalytic converter increase the rate of the reaction? Answer based upon the Kinetic Theory of reactions.

Subject Science
Due By (Pacific Time) 12/11/2012
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