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54 Cards in this Set

  • Front
  • Back
  • 3rd side (hint)
Predict an element in the second orw of transition metals of the periodic table.
Pd
2 types of catalysts
hetero and homo
increasing activation energy of a reaction will...
slow down the reaction
if you have more energy it will take....
the rate constant k of a reaction changes as the temperature of the reaction varies
true
what is not true about an enzyme?
it makes a reaction go by changing it from endothermic to exothermic
the rate of a reaction can typically be increased by increasing the concentrations of the reactants
true
the rate constant of a reaction can typically be increased by increasing the concentrations of teh reactants
false
the rae of a reaction can typically be increased by increasing the ea of the reaction
false
the rate of a reaction can typically be increased by increaseng the surface area of a solid reactant or catalyst
true
the rate of a reaction can typically be increased by increasing the ^H of the reaction
false
the rate of a reaction can typically be incresed by increasin the temp
true
a catalytic converter converts carvon monoxide to carbon dioxide
true
an catalytic converter converts unburned fuel to carvon dioxide and water
true
catalytic converter onverts water to hydrogen and oxygen
false
a catalyst functions by
decreasing the ea of the reaction
a catalyst cannot
change the ^H of a reaction
what element is the best catalyst for the haver process, catalytic convdrter, and for catalytic hydrogenation
platinum
k of a reaction will generally change as we chane all but what variable?
ceoncentrations of the reactants
a catalytic converter converts nitrogen oxides to nitrogen and oxygen
true
the reciprocal of [A] vs time is linear
second order
reaction is?
the logarithm of [A] vs time is linear
first order
reaction is?
of [A] vs time is linear
zero order
reaction is?
to determing the activtion energy of a reaction you should
determine k at various tams and plot lnk vs the reciprocal of the temp
if you increase the temp of a reaction from 50 to 75, it is likely that the rate constant k will
increase by a factor of about 10
the catalyst makes the reaction faster by
increasing the rate constant k
consider the catalytic converter on an automobile that converts poolutants to harmless compounds
a change of ea of a reaction does not effect
^H
the rate expression Rate = K applies for
aero oreder reaction
the radioactive decay of uranium 238 is
a first order process
if a plot of 1/[N205] vs time is NOT linear then what can we conclude?
may be first order
nickel can be used as a catalyst ofr hydrogenation
true
Predict an element in the second orw of transition metals of the periodic table.
Pd
2 types of catalysts
hetero and homo
increasing activation energy of a reaction will...
slow down the reaction
if you have more energy it will take....
the rate constant k of a reaction changes as the temperature of the reaction varies
true
what is not true about an enzyme?
it makes a reaction go by changing it from endothermic to exothermic
the rate of a reaction can typically be increased by increasing the concentrations of the reactants
true
the rate constant of a reaction can typically be increased by increasing the concentrations of teh reactants
false
the rae of a reaction can typically be increased by increasing the ea of the reaction
false
the rate of a reaction can typically be increased by increaseng the surface area of a solid reactant or catalyst
true
the rate of a reaction can typically be increased by increasing the ^H of the reaction
false
the rate of a reaction can typically be incresed by increasin the temp
true
a catalytic converter converts carvon monoxide to carbon dioxide
true
an catalytic converter converts unburned fuel to carvon dioxide and water
true
catalytic converter onverts water to hydrogen and oxygen
false
the logarithm of [A] vs time is linear
first order
reaction is?
of [A] vs time is linear
zero order
reaction is?
to determing the activtion energy of a reaction you should
determine k at various tams and plot lnk vs the reciprocal of the temp
if you increase the temp of a reaction from 50 to 75, it is likely that the rate constant k will
increase by a factor of about 10
the catalyst makes the reaction faster by
increasing the rate constant k
consider the catalytic converter on an automobile that converts poolutants to harmless compounds
a change of ea of a reaction does not effect
^H
the rate expression Rate = K applies for
aero oreder reaction
the radioactive decay of uranium 238 is
a first order process
if a plot of 1/[N205] vs time is NOT linear then what can we conclude?
may be first order
nickel can be used as a catalyst ofr hydrogenation
true