nick614 nick614

09-03-2017
Mathematics

contestada

a 18 gram sample of a substance that's used to detect explosives has a k value of0.125

Respuesta :

KariSupreme KariSupreme

09-03-2017

T1/2 = ln 2 / k = ln 2 / 0.125 = 5.5

Answer Link

Otras preguntas

Are Melting Point And Boiling Point physical properties or no?

Write the equation of a line in slope-intercept form that is parallel to x-y-1 = 0, but passes through the point (2,-5). Graph both lines.

Bianca wants to multiply the equation below by 3 so she can solve a system of linear equations with the elimination method. What will the new equation be once s

what is the overall charge of an atom

Which term refers to the idea that southern states had the authority today their own laws regarding slavery

Which of the following are polynomial functions

Individual policies are generally stand-alone policies, but may be written with other types of policies as a(n): a. Endorsement b. Rider c. Group Contract d. A

44 Peterson wants to replace all the floor tiles in her kitchen. The kitchen floor is 12 feet long and 7 feet wide. If Ms. Peterson already has 45 one-foot squa

An elderly client who enjoyed watercolor painting when young has recently indicated a desire tobegin painting again. According to Maslow's theories on human nee

1000 tickets were bought at a concert. the amount needed to buy a children’s ticket was $4.50 and the amount needed for an adult ticket was $8.50. $7300 was spe