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Please help with the multiple choice questions: 32- For the following equilibrium, what is the effect of adding O2 to the system, at a constant
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 Please help with the multiple choice questions: 32-

For the following equilibrium, what is the effect of adding O2 to the system, at a constant volume and temperature? 2NO + O2 ? 2NO2



no change in the concentration of NO and NO2


a decrease in the concentration of NO2


an increase in the concentration of NO


a decrease in the concentration of O2


an increase in the concentration of NO2


For the reaction, Cl2(l) + 2Na(s) ---> 2NaCl(s), the rate of the forward reaction could be increased most by:


adding Na


cooling the system


removing NaCl


using gaseous Cl2


using solid Cl2



The overall rate of any chemical reaction is most closely related to the:


overall reaction


number of steps in the reaction


fastest step in the reaction


slowest step in the reaction


type of container used


Given that Ksp for AgIO3 (silver iodate) is 4.0 x 10-8, the concentration of Ag+ in a saturated solution is


1.6 x 10-15 M


4.0 x 10-8 M


2.0 x 10-4 M


4.0 x 10-4 M



The number of moles of NaCl present in 150 mL of 0.02 M NaCl is


1.33 x 10-4


3.00 x 10-3


3


0.13

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Subject: Chemistry, Science

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