A 0.500 gram sample of nitrogen combines with 1.140 g of oxygen to form NO2. If the atomic mass of oxygen is 16.000, calculate atomic mass of nitrogen to form this data.

9. write the chemical equation for the following word equations. include symbols for physical states in the equation. a. solid zinc sulfide + oxygen gas -> solid zinc oxide + sulfur dioxide gas b. aqueous hydrochloric acid + aqueous barium hydroxide -> aqueous barium chloride + water

What is the mass defect of a mole of nuclei with 1.8 x 10^15 j/mol binding energy?

Acrystal that absorvd water from air is (blank)a. aqueousb. homogenousc. hygroscopicd. efflorescent