(CREATE A TESTABLE QUESTION) my four substances are water, isopropanol alcohol, Penny(copper), and, Nickle(zinc)

How many moles are equivalent to 55.5g of nano3

Suppose that a certain fortunate person has a net worth of $71.0 billion ($7.10×1010). if her stock has a good year and gains $3.20 billion (3.20×109) in value, what is her new net worth?

Which conclusion fits the data in the table? a. heat chemically changes chocolate and margarine. b. all solids become liquid at 100°f. c. removing heat from a substance it to melt. d. matter may change shape when it is heated.