eduardorivas997 eduardorivas997

13-05-2018
Chemistry

contestada

iodide-131 decays with half life of 8.02 d. In a Sample initially containing 5.00 mg of I 131, what mass remains after 6.01 d?

Respuesta :

mathandscience mathandscience

13-05-2018

You can use the equation f(t) = 5*(1/2)^(t/8.02)

Then plug in 6.01 for time.There remains 2.97 mg in the sample.

Answer Link

Otras preguntas

All of the following are examples of mechanical weathering EXCEPT freezing of water breaking from tree roots oxidation falling and breaking

Which of the following documents prohibited North American colonists from settling west of the Appalachian Mountains?

when a pedestrian is crossing a street guided by a dog or carrying a white cane, __________ a. sound your horn to alert them of your presence. b. all traffic mu

three fourths the square of b algebraic expression

learning not to be distracted by unimportant words and ideas is one of the most important skills to develop for comprehending meaning. true false

a limit line marks the beginning of a intersection. a. true b. false

how many petals do irises have ?

Lines m and n are parallel lines. If line m has a slope of -2, find the slope of line n. . a0

What must be true about the slopes of two perpendicular lines, neither of which is vertical?

a "sharrow" designates a traffic lane that is ___________ a. for bicycles only. b. shared by both motor vehicles and bicycles. c. both a or b