emmyg29 emmyg29

15-10-2019
Chemistry

contestada

14) Oxygen-15 has a half-life of 2 minutes. How old is the substance after 5 half-lives?

Respuesta :

joshualucasfern joshualucasfern

23-10-2019

10 minutes old.

Explanation:

each half life is 2 minutes, meaning it takes 2 minutes for a half life to pass. After five 2 minute chucks of time, 10 minutes have passed. mathematically 2*5 =10

Answer Link

Otras preguntas

Amir lent Rs. 600 to Hameed for 2 yrs and Rs.150 to Aman for 4 yrs and recievd altogether from both rs.90 as simple intrest.The rate of intrest is?

How is the old imperialism & new imperialism similar?

Choose the scenario that best shows how to deal with aggression resulting from frustration A. Mariah slammed her fist on the dining room table a

A hydrogen bond between water molecules is which of the following when compared with the bonds within an individual water molecule? a.-It is weaker. b.-It is st

triangle has vertices of (1, 5), (2, 2), and (6, 3). What are the vertices of the image created by applying the translation (x,y) (x+6,y-4

select all that are measures of angles coterminal with a –60° angle. –1020° –780° –420° 60° 120° 300° 420° 660°

How are the factors that contribute to tobacco use related?

What is the objective of a geopark

write the statement in if-then form. two angles measuring 90 are complementary. select one: a. if two angles measure 90, then two angles measure 90. b. if t

During my three-week stay in Walla Walla, Washington, it rained for 7 days, it was sunny for 11 days, and it was overcast without rain for 3 days. The next time