2. A metal forms oxides X and y which contains 28.9%. and 21.0% Oxygen respectively.
a Calculate the ratio by mass of the mekat in the two
Oxides.
6) that chemical law does it illustrate?

Agas can holds 2.0 gal of gasoline. what is this quantity in cubic centimeters?

Joe shines white light into a bowl half full of water at an angle of incident of 27.5°. calculate the angle of refraction in the water given the indices of refraction for air and water are 1.00 and 1.36, respectively.

Which fact represents evidence for the big bang theory?