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Author Question: Many students mistakenly think that when a sugar cube is put in water, that it disappears. What ... (Read 372 times)

gbarreiro

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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


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vseab

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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

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Reply #2 on: Aug 27, 2018
TY


vseab

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Reply #3 on: Aug 27, 2018
You're welcome


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