An example of a good hypothesis for this lab is, if two chemicals are combined and there are bubbles, then a chemical change has occurred. A) True
B) False

What does the symbol (–hfus) indicate in a phase change?

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)

What is the chemical formula for the compound formed between sodium and flour one