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 368 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?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Spanish water dog (Perro de agua español). Spanish water dog (Perro de agua español).
Mixting Hot Cold water Mixting Hot Cold water
Rackstraw Downes, Presidio in the Sand Hills Looking East with ATV Tracks and Water Tower. Rackstraw Downes, Presidio in the Sand Hills Looking East with ATV Tracks and Water Tower.
Water Access Water Access
Most Americans obtain their drinking water from a community water system Most Americans obtain their drinking water from a community water system
Storm water charge Storm water charge
Video: Proteins Defined, Hierarchy & Composition of Cells

For a complete list of videos, visit our video library