This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: If a tree dies and the trunk remains undisturbed for 13989 years, what percentage of original is ... (Read 117 times)

xclash

  • Hero Member
  • *****
  • Posts: 681
on: Mar 21, 2021

Question 1

Identify the missing particle in the following nuclear equation:
              Al + __________ → Na + α

◦ n
◦ n
◦ e
◦ e
◦ 2 n

Question 2

If a tree dies and the trunk remains undisturbed for 13989 years, what percentage of original is still present? (half-life of = 5730 years)

◦ 81.6%
◦ 18.4%
◦ 36.8%
◦ 27.6%
◦ 2.44%
Chemistry: An Atoms First Approach ¦ Zumdahl, DeCoste ¦ 3rd Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by xclash on Mar 21, 2021

chevyboi1976

  • Sr. Member
  • ****
  • Posts: 344
Reply #1 on: Mar 21, 2021
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 56% of students answer this correctly


xclash

  • Member
  • Posts: 681
Reply 2 on: Mar 21, 2021
Gracias!

raili21

  • Member
  • Posts: 324
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Old man's beard smothering a cabbage tree (Cordyline australis) on the Port Hills in Christchur Old man's beard smothering a cabbage tree (Cordyline australis) on the Port Hills in Christchur
Jane Goodall first observed Gombe chimpanzees chewing leaves, then dipping the chewed-up “wadge” int Jane Goodall first observed Gombe chimpanzees chewing leaves, then dipping the chewed-up “wadge” int
Apoxyomenos (The Scraper), Roman copy of an original Greek bronze by Lysippus. Apoxyomenos (The Scraper), Roman copy of an original Greek bronze by Lysippus.
U.S. adults from 25 to 74 years report that the largest proportion of their daily stressors arise ... U.S. adults from 25 to 74 years report that the largest proportion of their daily stressors arise ...
Earth’s Oldest Preserved Rocks – 3.8 Billion Years Old, Greenland Earth’s Oldest Preserved Rocks – 3.8 Billion Years Old, Greenland
A phylogenetic tree showing that all non-African human populations share a closer genetic relationsh A phylogenetic tree showing that all non-African human populations share a closer genetic relationsh
Video: DNA Sequences - Dideoxy Sequencing

For a complete list of videos, visit our video library