What is the difference between a theory and an observation

Calculate the percent composition of these compounds: (Ethane:C2H6) and (Sodium hydrogen sulfate: NaHSO4).

Why is pressure on Jupiter enormous?

In Lewis dot diagrams, valence electrons are represented by dots around the atomic symbol. How many electrons should around an aluminum ion?

What is the recommended way of preparing 100ml of 0.02 from 2M NaOH in the laboratory?

What are the two most influential greenhouse gases in maintaining the earth's climate? A) carbon dioxide & silicon B) water vapor & carbon dioxide C) silicon & oxygen D) nitrogen & water vapor

A crane lifts a cargo box 10 m off the ground. If the crane lifts the cargo box twice as high, the potential energy will increase by

What is the main purpose of a particle accelerator?

Is this statement true or false? Bases feel slippery. A. True B. False

why blue intensity of copper (2) sulphate will decrease in a voltaic cell with zinc electrode in zinc sulphate solution and copper 2sulphate solution with copper electrode in it (with salt bridge)

What is the charge for MnO4