What categories did lavoisier use when he classified the elements
the rate law depends on coefficients in the rate-determining step of this reaction (the slowest step). the equation a + 2 b → c represents the overall reaction. finding the rate law requires experimental data.
compare row 1 and row 2:[a]₀ is the same in row 2 and row 1; [b]₀ is twice as much in row 2 as in row 1; rate of change in [c] is four times as much in row 2 as in row 1.2² = 4. as a result, the reaction is of second order with respect to b.
compare row 1 and row 3:[a]₀ is twice as much in row 3 as in row 1; [b]₀ is the same in row 3 and row 1; rate of change in [c] is twice as much in row 3 as in row 1.2¹ = 2. as a result, the reaction is of first order with respect to a.
what would be the rate law of this reaction?
rate = k · [a] · [b]².
an oral dose of about of 12 g salt/kg body weight will kill 50 % of humans.
thus, if you are a 57 kg female and you consume 680 g of salt, you have a 50 % chance of surviving.
a 67 kg male could ingest 800 g of salt and have the same odds.
if you use that much salt on your french fries, you may be in danger. it's time to cut down.
c. o¹⁵ (isotope).