At what ratio will potassium and sulfur form a binary ionic compound

Why is retrograde motion an apparent motion

What is the pressure of 0.500 moles of carbon dioxide gas in a 2.5 l tank and at a temperature of 301 k? (r=0.0821 l·atm/mol·k) 3.08 atm 1.2 atm 0.23 atm 4.01 atm 4.94 atm

Select the correct answer. wax is a nonpolar substance. in which type of substance is it the most soluble?