What type of chemical reaction is
2Al(s) + + 3Cl2(g) – 2AlCl3(s)

How many liters of hydrogen gas will be produced at stp from the reaction of 7.179×10^23 atoms of magnesium with 54.219g of phosphoric acid (h3po4) the equation is 3mg + 2h3(> mg(po4)2+3h2

0.09 moles of sodium sulfate in 12 ml of solution

Which of the following has wavelength longer than the wavelength of viable light? a) x rays b) gamma rays c) radios waves d) ultraviolet waves