If 10.0g of sodium chloride solution is mixed with 10.0g of copper(II) nitrate to form sodium nitrate and copper (II) chloride then. Write a balanced equation Determine the type of reaction​

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)

8. what happens to matter during a chemical reaction