« 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 107 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?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

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

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

An oak tree An oak tree
Downwelling occurs when surface waters cool, and also when they lose moisture through evaporation. ... Downwelling occurs when surface waters cool, and also when they lose moisture through evaporation. ...
Clear the tarsals, metatarsals, and toes. Stand at the end of the table, support the plantar surface ... Clear the tarsals, metatarsals, and toes. Stand at the end of the table, support the plantar surface ...
Surface ocean currents Surface ocean currents
The position of an object that is oscillating on a spring is given by the equation x = (18.3 ... The position of an object that is oscillating on a spring is given by the equation x = (18.3 ...
evolution tree tip evolution tree tip
Video: Oxygen transport: association and dissociation & Factors that affect hemoglobin's saturation with O2

For a complete list of videos, visit our video library