$1$a$)$

Which statement is true of both potential energy diagrams and kinetic energy diagrams?

Both diagrams show enthalpy difference between reactants and products.

Both diagrams represent the energy in the particle called the activated complex.

Both diagrams represent the proportion of particles in a system at constant temperature that can react.

Both diagrams represent the minimum amount of energy required for a reaction to occur.

none of the above statements are true.

$1$b$)$

If the molar enthalpy change of the formation of sodium chlorate is $53\mathrm{.}0$ kJ$/$mol$,$ then the quantity of energy used for $3\mathrm{.}00$ mol of sodium chlorate is

a$)159$ kJ

b$)17\mathrm{.}7$ kJ

c$)56\mathrm{.}0$ kJ

d$)0\mathrm{.}0566$kJ

e$)$none of the above

$1$c$)$

In the reaction $2$N$2($g$)+$ O$2($g$)-->2$NO$2($g$),$ if the concentration of NO$2$ changes from $0\mathrm{.}45$ mol$/$L to $1\mathrm{.}00$ mol$/$L in $2$ minutes, what is the overall rate of production of nitrogen dioxide in the system?

a$)0\mathrm{.}137$ mol$/($L$$min$)$ NO$2$ produced

b$)0\mathrm{.}275$ mol$/($L$$min$)$ NO$2$ produced

c$)3\mathrm{.}64$ mol$/($L$$min$)$ NO$2$ produced

d$)12\mathrm{.}6$ mol$/($L$$min$)$ NO$2$ produced

e$)0\mathrm{.}333$ mol$/($L$$min$)$ NO$2$ produced