menu
Qammunity.org
Login
Register
My account
Edit my Profile
Private messages
My favorites
Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question
The half life of thorium – 233 is 24 days. If you have a 42.0 g sample of thorium – 24, how much will remain after 72 days?
asked
Nov 25, 2018
5.8k
views
1
vote
The half life of thorium – 233 is 24 days. If you have a 42.0 g sample of thorium – 24, how much will remain after 72 days?
Chemistry
high-school
Jeroen Heijmans
asked
by
Jeroen Heijmans
7.3k
points
answer
comment
share this
share
0 Comments
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
2
Answers
1
vote
14 GALLONS WILL BE LEFT I THINK
Gregory Magarshak
answered
Nov 26, 2018
by
Gregory Magarshak
8.4k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
4
votes
42.0g ---2.0g---6.0g---3.0g
24. 24. 24. = 72 days
Always want to divide the sample in half.
Yaroslav Varkhol
answered
Nov 30, 2018
by
Yaroslav Varkhol
8.4k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
← Prev Question
Next Question →
Related questions
asked
May 20, 2023
96.1k
views
When radioactive thorium (Th) decays it emits a beta particle and produces protactinium (Pa) as seen in the nuclear equation. The atomic mass of thorium missing in the nuclear equation must be A) 233.
Vince Verhoeven
asked
May 20, 2023
by
Vince Verhoeven
7.8k
points
Chemistry
college
1
answer
10
votes
96.1k
views
asked
Jan 20, 2024
76.6k
views
These exercises use the radioactive decay model. The mass m(t) remaining after t days from a 40-g sample of thorium-234 is given by m(t)=40e⁻⁰.⁰²⁷⁷ᵗ. How much of the sample will remain after 60 days?
Thismat
asked
Jan 20, 2024
by
Thismat
8.6k
points
Mathematics
high-school
1
answer
4
votes
76.6k
views
asked
May 20, 2024
120k
views
These exercises use the radioactive decay model. The mass m(t) remaining after t days from a 40-g sample of thorium -234 is given by m(t)=40e^⁻⁰.⁰²⁷⁷ᵗ. After how long will only 10g of the sample remain?
Skierpage
asked
May 20, 2024
by
Skierpage
7.7k
points
Mathematics
high-school
1
answer
0
votes
120k
views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.
9.4m
questions
12.2m
answers
Other Questions
Compare and contrast an electric generator and a battery??
How do you balance __H2SO4 + __B(OH)3 --> __B2(SO4)3 + __H2O
Why is gold preferred as a superior metal over silver and bronze?
What is the evidence of a chemical reaction when the fireworks go off
Which of the following statements does not describe a physical property of a piece of chalk A. Chalk is solid B.chalk can be broken into pieces C. Chalk is white D. Chalk will bubble in vinegar
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy
Search Qammunity.org