menu
Qammunity.org
Login
Register
My account
Edit my Profile
Private messages
My favorites
A 22 gram sample of a substance thats used to preserve fruit and vegetables has a k value of 0.1011. find the half life rounded to the nearest tenth
Ask a Question
Questions
Unanswered
Tags
Ask a Question
A 22 gram sample of a substance thats used to preserve fruit and vegetables has a k value of 0.1011. find the half life rounded to the nearest tenth
asked
May 1, 2018
38.2k
views
4
votes
a 22 gram sample of a substance thats used to preserve fruit and vegetables has a k value of 0.1011. find the half life rounded to the nearest tenth
Mathematics
high-school
EntropicFox
asked
by
EntropicFox
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.
1
Answer
3
votes
k value = natural log (.5) / half-life
half-life = natural log (.5) / k value
half-life = -.693147 / 0.1011
half-life =
6.8560534125
I'd say the k value should be negative AND it should have units.
Gwaredd
answered
May 8, 2018
by
Gwaredd
8.5k
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
Sep 2, 2018
217k
views
A 22 gram sample of a substance that's used to preserve fruit and vegetables has a k value of 0.1011. N=N0e^kt N0=initial mass (at time t=0) N=mass at time t k=a posotive constant that depends on the substance
Prooffreader
asked
Sep 2, 2018
by
Prooffreader
7.9k
points
Mathematics
high-school
1
answer
5
votes
217k
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
Categories
All categories
Mathematics
(3.7m)
History
(955k)
English
(903k)
Biology
(716k)
Chemistry
(440k)
Physics
(405k)
Social Studies
(564k)
Advanced Placement
(27.5k)
SAT
(19.1k)
Geography
(146k)
Health
(283k)
Arts
(107k)
Business
(468k)
Computers & Tech
(195k)
French
(33.9k)
German
(4.9k)
Spanish
(174k)
Medicine
(125k)
Law
(53.4k)
Engineering
(74.2k)
Other Questions
How do you can you solve this problem 37 + y = 87; y =
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy
Search Qammunity.org