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
huh? im pretty sure it is in 199
step-by-step explanation:
Answer from: Quest
no ,sorry if you needed it but you can ask and try to see if any one will anwser ,
step-by-step explanation:
by good luck mark me as brainliest
have a nice day
Answer from: Quest
The answer is 25uthere is no v in the question
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Mathematics, 21.06.2019 15:20
Which equation represents a circle with a center at (β3, β5) and a radius of 6 units? (x β 3)2 + (y β 5)2 = 6 (x β 3)2 + (y β 5)2 = 36 (x + 3)2 + (y + 5)2 = 6 (x + 3)2 + (y + 5)2 = 36
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