Which of the following best describes what happens when hydrogen and oxygen to form water? Atoms are changing place with other atoms
Hydrogen and oxygen are undergoing change of states.
Hydrogen and oxygen are stable condition
Atoms are combining to form molecules

Which best describes the present-day universe? opaque, expanding very slowly, stars produce heavy elements transparent, expanding at an accelerated rate, stars produce heavy elements opaque, expanding at an accelerated rate, stars produce only hydrogen and helium transparent, expanding very slowly, stars produce only hydrogen and helium

Aluminum reacts with sulfuric acid to produce aluminum sulfate and hydrogen gas. how many grams of aluminum sulfate would be formed if 250 g h 2 so 4 completely reacted with aluminum? 2al( s ) + 3h 2 so 4 ( aq ) ? al 2 (so 4 ) 3 ( aq ) + 3h 2 ( g )

If the molar mass of the compound is 96.69 g/mol, what is the molecular formula of the compound?