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

Author Question: Many students mistakenly think that when a sugar cube is put in water, that it disappears. What ... (Read 373 times)

gbarreiro

  • Hero Member
  • *****
  • Posts: 566
on: Aug 27, 2018
Many students mistakenly think that when a sugar cube is put in water, that it disappears. What evidence do we have that the particles in the sugar are still present in the water?
 
  What will be an ideal response?

Question 2

Which of the following determined the ratio of the charge of an electron to its mass?
 
  A) J.J. Thompson's cathode ray deflection experiments
  B) E. Rutherford's gold foil experiments
  C) Avogadro's number experiments
  D) Franklin's kite experiments


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

vseab

  • Sr. Member
  • ****
  • Posts: 323
Reply #1 on: Aug 27, 2018
Answer to Question 1

The water will change volume slightly. We could add several tablespoons of sugar to exaggerate the effect. The water tastes sweet.

Answer to Question 2

A


gbarreiro

  • Hero Member
  • *****
  • Posts: 566
Reply #2 on: Aug 27, 2018
TY


vseab

  • Sr. Member
  • ****
  • Posts: 323
Reply #3 on: Aug 27, 2018
You're welcome


« previous next »
 

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?

There are approximately 3 million unintended pregnancies in the United States each year.

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.

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Salt and water balance in water-breathers. Salt and water balance in water-breathers.
Chinese Water Deer Chinese Water Deer
Air pressure under water Air pressure under water
Louis Comfort Tiffany, Tiffany Studios, Water-lily table lamp. Louis Comfort Tiffany, Tiffany Studios, Water-lily table lamp.
Students working in a group Students working in a group
Controlling access to water in order to gain political and strategic advantage in Gaza Controlling access to water in order to gain political and strategic advantage in Gaza
Video: What is an ecosystem?

For a complete list of videos, visit our video library