Nora walks down a street and sees a ball dropped from a building. it falls on the ground. nearby, an iron nail is attracted towards a magnet. which statement is true about the ball and the nail?

This question is about electrolysis. metal spoons can be coated with silver. this is called electroplating. suggest one reason why spoons are electroplated?

What is a substance? a. a physical property of matter b. a chemical property of matter c. an element or compound that cannot be physically separated d. characteristics used to tell the difference between mixtures

Which of the following describes the entropy change as a solution is made from a liquid and solid