Chemistry, 01.08.2019 23:00 asilverman
The half-life of cobalt-60 is 5.20 yr. how many milligrams of a 1.000-mg sample remain after 6.55 years?
Answers: 1
. Here, 
is the initial quantity, 
is the amount remaining after a time 
, and 
is the half-life of the decaying quantity. You can plug in 1.000 for 
. Be mindful of significant figures if your instructor cares about that.Another question on Chemistry
Chemistry, 21.06.2019 22:30
Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 12.0 u.
Answers: 1
Chemistry, 22.06.2019 07:20
After watching the video "zinc strip in copper nitrate solution", and reading the instructions, click on the link labeled "start" just below the drawing of the pencil tip. follow the direction to complete the 3x3 grid. answer the below questions for the portion of the activity in which sn(s) is placed in agno3(aq)
Answers: 1
Chemistry, 22.06.2019 17:30
A650 ml sodium bromine solution has a bromide ion concentration of 0.245 m. what is the mass (g) of sodium bromide in solution? a) 103.b)0.00155.c)16400.d) 16.4.e) 0.159
Answers: 2
You know the right answer?
The half-life of cobalt-60 is 5.20 yr. how many milligrams of a 1.000-mg sample remain after 6.55 ye...
Questions
Mathematics, 04.10.2019 21:00
Biology, 04.10.2019 21:00
Social Studies, 04.10.2019 21:00
Mathematics, 04.10.2019 21:00
English, 04.10.2019 21:00
