I think the correct answer from the choices listed above is option B. The following reaction does not proceed to form a product: H2O + Au---> no reaction because gold has a lower activity than hydrogen and cannot replace it. Hope this answers the question.

3 0

3 years ago

Which of the following best explains why J.J. Thompson's Plum Pudding model had to be revised?

QveST [7]

I think the correct answer is B. J.J. Thompson's Plum Pudding model had to be revised because atoms have protons and neutrons in the nucleus. He realized that aside from the electrons which are negatively charged, positive charge particles should be present to neutralize the charge of an atom.

7 0

3 years ago

Depending upon the tip of a dropper pipet there are approximately 20 drops per milliliter of water. the experimental procedure p

Murrr4er [49]

Answer : The volume range in milliliters for the solution is 0.25 - 0.5 mL

Explanation :

We have been given that there are approximately 20 drops per milliliter of water

This information can be used as a conversion factor as $\frac{1mL}{20 drops}$