subject
Chemistry, 28.04.2021 17:50 lindseycagle00

A sample of polonium-210 has an initial mass of 390 milligrams (mg). If the half-life of polonium-210 is 36 days, how many mg of the sample remains after 72 days? A.
392 mg

B.
195 mg

C.
97.5 mg

D.
48.75 mg

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 22.06.2019 00:00
How many liters of water vapor can be produced if 108 grams of methane gas (ch4) are combusted at 312 k and 0.98 atm? show all work. pls ! will mark as brainliest
Answers: 1
question
Chemistry, 22.06.2019 04:30
How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?
Answers: 1
question
Chemistry, 22.06.2019 10:30
What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5
Answers: 1
question
Chemistry, 22.06.2019 13:30
Astudent is trying to create a table that compares hypotheses, theories, and laws. hypothesis theory law do scientific researchers formulate it? yes yes yes does it explain why things happen? yes yes no yes yes yes is it used to make predictions? no yes yes which of the following questions would most likely fill the blank in the table? is it an intelligent guess? is it newly formulated? is it based on observations? has it been proved?
Answers: 1
You know the right answer?
A sample of polonium-210 has an initial mass of 390 milligrams (mg). If the half-life of polonium-21...
Questions
Questions on the website: 13722367