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

Author Question: The half life of a specific Tc-99m is 6 hours. How much of an 192 mg sample will have decayed after 30 hours? (Read 187 times)

naturalchemist

  • Hero Member
  • *****
  • Posts: 542
on: Mar 24, 2020

Question 1

The half life of a specific radionuclide is 8 days. How much of an 80 mg sample will be left after 24 days?
◦ 10 mg
◦ 2.7 mg
◦ 20 mg
◦ 40 mg

Question 2

The half life of a specific Tc-99m is 6 hours. How much of an 192 mg sample will have decayed after 30 hours?
◦ 186 mg
◦ 32 mg
◦ 160 mg
◦ 6 mg
General, Organic, and Biological Chemistry ¦ Frost, Deal ¦ 3rd Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by naturalchemist on Mar 24, 2020

nathang24

  • Sr. Member
  • ****
  • Posts: 314
Reply #1 on: Mar 24, 2020
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 29% of students answer this correctly


naturalchemist

  • Member
  • Posts: 542
Reply 2 on: Mar 24, 2020
Great answer, keep it coming :)

cassie_ragen

  • Member
  • Posts: 347
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

These young adults look forward to a life together as they celebrate their wedding These young adults look forward to a life together as they celebrate their wedding
Sample Exercise Program for Limited Older Adults (cont.) Sample Exercise Program for Limited Older Adults (cont.)
Sample Daily Log For Holistic Self-Care Plan. Sample Daily Log For Holistic Self-Care Plan.
Sample One-Day Menu Sample One-Day Menu
Life cycle of bacteriophage T4 Life cycle of bacteriophage T4
A sample of reef biodiversity A sample of reef biodiversity
Video: Lipid absorption - end products & transport mechanism

For a complete list of videos, visit our video library