100 points
which of these is an example of a physical change?

baking a cake

toasting bread

grinding pepper

lighting up a grill

Grinding pepper. It is still pepper.
I hope this helps!

Grinding is the type of physical changes because they change the form but not the composition of a material

In short, Your Answer would be Option C

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Since there is the same amount of agn03 in both silver chloride and silver nitrate they produce the same amount of moles. therefore silver chloride produces the same amount of silver nitrate, so your answer is 15.0 moles of silver nitrate. i hope this !

The correct answer should be "electrons orbit the nucleus in circular motions exactly as shown on the classic bohr model."