bewellplus.gsu.edu
kelseyyraee
kelseyyraee kelseyyraee
  • 01-11-2016
  • Chemistry
Answered

How many milligrams remain of a 15.0 mg sample of radium-226 after 6396 years? The half life of radium-226 is 1599 years.

Verified Answer :

kaity0001
kaity0001 kaity0001
  • 01-11-2016

There are 4 half lives of radium-226 in 6396 years. 15.0 divided by half 4 times (15.0/2= 7.5, 7.5/2 = 3.75, 3.75/2 = 1.875) equals 1.875 mg of radium-226.

Answer Link

Related Questions

Sentence with a semi colon between independent clauses
For the first 150 years of its history the united states avoided becoming involved with other countries what is this policy called
In the early 1800s female reformers focused on the issues of
find the roots for fx x4 21x2 100
What effect did the yuan dynasty have on chinese culture
to which subset of real numbers does the following number belong square root of 16 A rational numbers B irrational numbers C whole numbers integers rational num
Truman Eisenhower Kennedy and Johnson involved the United States in a war in Vietnam to support Answer colonial expansion the Vietminh containment the French al
what group held up democratic progress in both brazil and Argentina until the 1980s
Can you help me on problem number 16
Answer I dont understand