In determining the Hreaction for formation of MgO, why didn’t we directly burn the Mg metal in air and measure the heat produced?

The variability in marine salinity between habitats does not impact the fish living there. select the best answer from the choices provided t f

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space

What is the chemical name of the compound na2co3? use the list of polyatomic ions and the periodic table to you answer. a. sodium carbon oxide b. sodium carbonate c. sodium(ll) carbonate d. sodium oxalate