This topic contains a solution. Click here to go to the answer

Author Question: The first law of thermodynamics states that heat added to a closed system can change the internal ... (Read 16 times)

vinney12

  • Hero Member
  • *****
  • Posts: 586
The first law of thermodynamics states that heat added to a closed system can change the internal energy of the system and/or do ______________.
 Fill in the blank(s) with correct word

Question 2

The half-life of 131I is 8.04 days. Three days after it was prepared, its activity was 0.50 Ci. How many curies (in Ci) were initially prepared?
 a. .60
  b. .70
  c. .65
  d. .55
  e. .39



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Sarahjh

  • Sr. Member
  • ****
  • Posts: 370
Answer to Question 1

work

Answer to Question 2

c




vinney12

  • Member
  • Posts: 586
Reply 2 on: Jul 28, 2018
Wow, this really help


JCABRERA33

  • Member
  • Posts: 344
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

For a complete list of videos, visit our video library