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

Author Question: If the density of copper is 8.92 g/cm3, what is the thickness of a copper foil that has a mass of ... (Read 95 times)

mp14

  • Hero Member
  • *****
  • Posts: 534
on: Aug 27, 2018
If the density of copper is 8.92 g/cm3, what is the thickness of a copper foil that has a mass of
  0.223 g and measures 5.00 cm by 5.00 cm?
 
  A) 0.00100 cm
  B) 0.00500 cm
  C) 0.0100 cm
  D) 0.0796 cm
  E) 0.398 cm

Question 2

Which of the following scientists is credited with first arranging the elements into groups according to increasing atomic mass and repeating properties?
 
  A) Johann Dbereiner
  B) Dmitri Mendeleev
  C) H. G. J. Moseley
  D) J. A. R. Newlands
  E) none of the above


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

gasdhashg

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Aug 27, 2018
Answer to Question 1

A)

Answer to Question 2

B


mp14

  • Hero Member
  • *****
  • Posts: 534
Reply #2 on: Aug 27, 2018
Thanks


gasdhashg

  • Sr. Member
  • ****
  • Posts: 335
Reply #3 on: Aug 27, 2018
Welcome :)


« previous next »
 

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

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.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

copper copper
Pneumonia patient’s chest x-ray. Note the irregular areas of density. Pneumonia patient’s chest x-ray. Note the irregular areas of density.
Population Density Population Density
Population Density versus Economic Growth Population Density versus Economic Growth
What is the density of cesium bromide? What is the density of cesium bromide?
An unknown gas occupies a volume of 1.50 L at 21 °C and 0.950 atm. If the mass i An unknown gas occupies a volume of 1.50 L at 21 °C and 0.950 atm. If the mass i
Video: Skin Cancer

For a complete list of videos, visit our video library