If 13.2 kg of Al2O3(s), 54.4 kg of NaOH(l), and 54.4 kg of HF(g) react completely, how many kilograms of cryolite will be produced

Hey guys so i need to know what is _nh3+> nh4oh ~chemistry~

Areaction is first order. if the initial reactant concentration is 0.0200 m, and 25.0 days later the concentration is 6.25 x 10-4 m, then its half-life is:

Which characteristics affect ocean water’s temperature? check all that apply. depth location mass salinity waves