X2(SO4)3 find the X and Y

Agas is contained in a thick walled balloon when the pressure changes from 1.21 atm to 2.52 the volume changes from 3.75 l to 1.72 l and the temperature change from 293k to blank k

Long term exposure to waves can cause sunburns and skin cancer. a) visible b) infrared c) gamma rays d) ultraviole

The name of the ion, s2-, is: sulfurous ion sulfide ion sulfur ion sulfate ion