Two oxides, X and Y, are added separately to dilute sulfuric acid and Giste sesiun toycrolide, X reacts with dilute sulfuric acid but y does not react,
Y reacts with aqueous sodium hydroxide butx does not reach.
Which type of oxide are X and Y?

Which formula can be used to calculate the molar mass of ammonia (nh3)? molar mass of n + molar mass of h 3 × molar mass of n + molar mass of h molar mass of n + 3 × molar mass of h 3 × molar mass of n + 3 × molar mass of h

Which statement best describes the flow of energy in this scenario

The bond energy for the van der waals bond between two helium atoms is 7.9×10−4ev. assuming that the average kinetic energy of a helium atom is (3/2)kbt, at what temperature is the average kinetic energy equal to the bond energy between two helium atoms