This topic contains a solution. Click here to go to the answer

Author Question: Many students mistakenly think that when a sugar cube is put in water, that it disappears. What ... (Read 377 times)

gbarreiro

  • Hero Member
  • *****
  • Posts: 566
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
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





 

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

For a complete list of videos, visit our video library