The mass, m grams, of a burning candle it hours after it was lit up, its scisfies the DE dm dt =-k(m-10) where k is a positive constant. The initial mass of the candle was lao grams, and 3 hours later its mass is he has halved a) The value of the constant k ? bi Aftere After a further 3 hours has elapsed, the mass of the candle is m?

Fundamentals Of Analytical Chemistry
9th Edition
ISBN:9781285640686
Author:Skoog
Publisher:Skoog
Chapter7: Statistical Data Treatment And Evaluation
Section: Chapter Questions
Problem 7.12QAP
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The mass, m groms, of a burning candle, t hours after
it was lit up, its scrisfies the DE
dm
dt = -k(m-10)
where k is a positive constant. The initial mass of the
candle was 120 grams, and 3 hours later its mass
is he has halved
a) The value of the constant k ?
bi Aftere After a further 3 hours has elapsed, the mass
of the candle is m?
Transcribed Image Text:The mass, m groms, of a burning candle, t hours after it was lit up, its scrisfies the DE dm dt = -k(m-10) where k is a positive constant. The initial mass of the candle was 120 grams, and 3 hours later its mass is he has halved a) The value of the constant k ? bi Aftere After a further 3 hours has elapsed, the mass of the candle is m?
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