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

Author Question: Sketch the schematic diagram of energy transfers for a refrigerator or air conditioner What will ... (Read 57 times)

WhattoUnderstand

  • Hero Member
  • *****
  • Posts: 517
on: Jul 29, 2018
Sketch the schematic diagram of energy transfers for a refrigerator or air conditioner
 
  What will be an ideal response?

Question 2

The lifetime of uranium 238 is 6.0  109 y, and that of uranium 235 is 1.0  109 y. The present abundance of uranium 238 is 140 times the abundance of uranium 235. What was the ratio of abundances 1 billion years ago?
 
  A)
 
  140:1
  B)
 
  6:1
  C)
 
  61:1
  D)
 
  161:1
  E)
 
  322:1


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

enass

  • Sr. Member
  • ****
  • Posts: 380
Reply #1 on: Jul 29, 2018
Answer to Question 1

See Fig. 20-9 in the text.

Answer to Question 2

C


WhattoUnderstand

  • Member
  • Posts: 517
Reply 2 on: Jul 29, 2018
:D TYSM

cici

  • Member
  • Posts: 325
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

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.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Energy flow and chemical recycling in ecosystems. Energy flow and chemical recycling in ecosystems.
A schematic of the circulatory system illustrating the pulmonary circulation picking up oxygen from A schematic of the circulatory system illustrating the pulmonary circulation picking up oxygen from
A schematic illustration of the way in which many biopsychologists think about the biology of ... A schematic illustration of the way in which many biopsychologists think about the biology of ...
The energy set-point view that is the basis of many people’s thinking about hunger and eating. The energy set-point view that is the basis of many people’s thinking about hunger and eating.
Energy profile of anaerobic glycolysis Energy profile of anaerobic glycolysis
Canada Total Energy Consumption by Fuel Type Canada Total Energy Consumption by Fuel Type
Video: Facilitated Diffusion - Glucose transport

For a complete list of videos, visit our video library