originalbeast6p2799m
09.07.2019 •
Chemistry
The average blood alcohol concentration (bac) of eight male subjects was measured after consumption of 15 ml of ethanol (corresponding to one alcoholic drink). the resulting data were modeled by the concentration function c(t) = 0.0225te−0.0467t
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Ответ:
The answer is 0.01365.
Explanation:
C(t) = 0.0225te^?0.0467t
We can derivate,
C'(t) = d/dt ( 0.0225 te^-0.0467t)
after solving,
C'(t) = 0.0225 (e^-0.0467t - (0.0467e^-0.0467t . t)
Plug in t =5,
Answer is C'(t) = 0.01365.
Ответ:
EXPLANATION: Because there are 6.022x10^23 atoms per mole; therefore, (6.022x10^23*(0.075)=4.5x10^22 atoms of titanium