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