a reaction has an enthalpy change of –54 kj and an activation energy of 89 kj. what is the enthalpy change of the reverse reaction?

Why should the scientific method be used to answer a question? a. it provides a way to test an idea without any bias. b. it provides a way to test a hypothesis. c. it provides a way to ensure all hypotheses are proven correct. d. it provides a way to quickly turn a hypothesis into a scientific theory.

What is the main purpose of patent attorneys? defend the company against legal claims manage financial investments invent new products protect rights to new products and processes

1. list three scientific reasons cockroaches may fly.