After adding hydrogen peroxide and hydrobromic acid to your reflux setup, you noticed your flask assumed an orange-yellow color. A few minutes later, the color then disappeared. What is going on during these stages?

Determine the empirical formula of a compound containing 40.6 grams of carbon, 5.1 grams of hydrogen, and 54.2 grams of oxygen. in an experiment, the molar mass of the compound was determined to be 118.084 g/mol. what is the molecular formula of the compound? for both questions, show your work or explain how you determined the formulas by giving specific values used in calculations.

All of the following are part of the biosphere except

What term describes technology that operates on an atomic level