Asample of air is slowly passed through aqueous sodium hydroxide and then over heater copper.

which gases are removed by this process?
a) carbon dioxide and water vapour
b) carbon dioxide and oxygen
c) nitrogen and oxygen
d) nitrogen and water vapour

What type of reaction is shown below? check all that apply. 2h2o2 → 2h2o + o2 synthesis decomposition combustion

Element before carbon on the periodic table

He table below gives the atomic mass and relative abundance values for the three isotopes of element m. relative abundance (%) atomic mass (amu) 78.99 23.9850 10.00 24.9858 11.01 25.9826 what is the average atomic mass (in amu) of element m? 2.86 5.36 24.30 24.98