« previous next »

Author Question: An object is 12.0 cm from the surface of a spherical Christmas tree ornament that is 10.0 cm in ... (Read 73 times)

nenivikky

  • Hero Member
  • *****
  • Posts: 516
on: Jul 28, 2018
An object is 12.0 cm from the surface of a spherical Christmas tree ornament that is 10.0 cm in diameter. What is the magnification of the image?
 a. -0.500
  c. +0.172
  b. -0.200
  d. +0.143

Question 2

What is the mass of a mole of oxygen gas?
 a. 8 g
  c. 24 g
  b. 16 g
  d. 32 g


JYan

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

Controlling Surface Runoff Controlling Surface Runoff
Nomogram for determining Body Surface Area (BSA). Nomogram for determining Body Surface Area (BSA).
Rooted tree versus unrooted tree Rooted tree versus unrooted tree
A sled having a certain initial speed on a horizontal surface comes to rest after traveling 10 ... A sled having a certain initial speed on a horizontal surface comes to rest after traveling 10 ...
House and tree House and tree
Tree Rings: Cypress Tree Rings: Cypress
Video: Introduction to Genetics

For a complete list of videos, visit our video library