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

Author Question: The first law of thermodynamics states that heat added to a closed system can change the internal ... (Read 54 times)

vinney12

  • Hero Member
  • *****
  • Posts: 586
on: Jul 28, 2018
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
Reply #1 on: Jul 28, 2018
Answer to Question 1

work

Answer to Question 2

c


vinney12

  • Member
  • Posts: 586
Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

lkanara2

  • Member
  • Posts: 329
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Internal and External Environment Internal and External Environment
Thyroid System Thyroid System
Properties of the Magnocellular, Parvocellular, and Koniocellular Divisions of the Visual System Properties of the Magnocellular, Parvocellular, and Koniocellular Divisions of the Visual System
Pathways of the Visual System in the Brain Pathways of the Visual System in the Brain
A technician-made adapter used to test exhaust system back pressure. A technician-made adapter used to test exhaust system back pressure.
Solving linear system by elimination Solving linear system by elimination
Video: Regulation of GFR: autoregulation via tubuloglomerular feedback, neural & hormonal regulation

For a complete list of videos, visit our video library