step-by-step explanation: a reaction is first order. if the initial reactant concentration is 0.0200 m, and 25.0 days later the concentration is 6.25 x 10-4 m, then its half-life is:
Answer from: Quest
its 60
4 x 12 = 48
3 x 4 = 12
48 + 12 = 60
yeeeet
Answer from: Quest
add a pic of the graph, then ill edit this "answer" and solve it for you : 3
Jermaine has t subway tokens. karen has 4 more subway tokens than jermaine. raul has 5 fewer subway tokens than jermaine. which expression represents the ratio of karen's tokens to raul's tokens