gauravsingh6990 gauravsingh6990

19-06-2017
Chemistry

contestada

If the half-life of a radioactive substance is 2 seconds, how much of a 100-gram sample would be left after 8 seconds?

Respuesta :

dec77cat dec77cat

19-06-2017

m₀=100 g
T=2 s
t=8s

m=m₀/{2^(t/T)}

m=100/{2^(8/2)}=100/2⁴=6.25 g

Answer Link

Otras preguntas

The Hawks soccor team won 12 out of 14 games. If this rate continues, how many games will they win if they play a total of 21 games?

which of the following describes the crust

Is the dehydration process a physical or chemical change? Why?

Scientific experiments often produce new scientific knowledge. What usually happens if a scientific experiment generates new knowledge that doesn't agree with

Choose the sentence that contains an adjectival prepositional phrase. A. The game begins within an hour. B. The dog ran around the table. C. The shoe store acro

Which of the following statements best describes the action that ultimately ended public support for Senator McCarthy’s investigations?

Please help I'm running out of time

why do modern audiences relate to adaptation of Macbeth

african slaves were brougt to the england colonies to meet the demand for

whats y-2=6x+3 in y=mx+b form