bhbffbk4rz bhbffbk4rz

10-09-2021
Mathematics

contestada

LQQ#2 Sodium-24 has a half-life of 15 hours. How
many grams of a 450 g sample will remain after 45
hours?

Respuesta :

LammettHash LammettHash

10-09-2021

Notice that 45 hours is 3 times the half-life of 15 hours.

After the first 15 hours, 450 g decays to half this amount, 225 g.

After the next 15 (total 30), 225 g decays to 112.5 g.

After the next 15 (total 45), 112.5 g decays to 56.25 g.

Answer Link

Otras preguntas

in a reflection, what happens to the points that lie on the line of reflection?

5 paragraph essay about how culture and religion are connected

Africans and Native Americans during the colonial period welcomed European culture and traditions. created new cultures and societies that were a combination of

What did john Cabot ,Giovanni da Verrazano ,Jacques Cartier and, Henry Hudson all have in common?

From the 1960s to 2010, did the number of amendments proposed generally increase or decrease? why?

The deflection of alpha particles in rutherford’s gold foil experiments resulted in what change to the atomic model? the addition of energy levels and orbitals

A snowmobile has an initial velocity of 3.0 m/s. if it accelerates at the rate of 0.50 m/s squared for 7.0 seconds, what will its final velocity be?

Someone please help me out on this real quick I will appreciate it a lot

Which best describes Muhammad's attitude toward Judaism and Christianity?

How do I write this as a math equation: it's number 13