What is the standard enthalpy change for the reaction of 2.5 mol of mg with oxygen?

Which of the following best describes the formation of plasma?

Give the set of reactants (including an alkyl halide and a nucleophile) that could be used to synthesize the following ether: draw the molecules on the canvas by choosing buttons from the tools (for bonds and charges), atoms, and templates toolbars, including charges where needed. ch3ch2och2ch2chch3 | ch3

An atom of which element reacts with an atom of hydrogen to form a bond with the greatest degree of polarity ?