My cat just said HELL should i be concerned.
( i am dead serious not hello just HELL)

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:

If you are told to get 100 ml of stock solution to use to prepare smaller size sample for an experiment, which piece of glassware would you use?

Which of these describes how heat is transferred by convection* a. sunlight travels through space without the aid of fluids or solids. b. warm air rises and takes the heat with it, eventually, it cools and sinks c. air at the equator rises and sinks at the poles. d. air molecules touch the warm ground, heating them up *not conduction