Use the Classius equation to calculate the pressure in torr of a system at 300 K for ether knowing that the normal boiling point is 319 K and the delta H the heat of vaporization) is 29.69 kl/mol
403 ton
120 ton
1000 7 ore
450 for

If a hydrogen atom is neutral, it must also have  one electron. an oxygen atom (o) has an atomic number of eight (8). this means a neutral oxygen atom has eight protons and eight electrons. the element actium (ac) has an atomic number of 89, so it has 89 protons and 89 electrons in a neutral atom

Yes, endothermic means it turns cold. and some chemical changes include change of tempature.

A1 a 2 a 3 ooh lol i think that's it