The empirical formula of a compound is determined to be c2h3, and its molecular mass is found to be 54.10 g/mol. determine the molecular formula of the compound, showing your work.

What is the volume occupied by 10.0 dm3 of gas at standard pressure after it has been compressedat constant temputure to 500.0 kpa?

21. consider the following chemical reaction: n2+ o2 2 no if 10.0 g of n2 reacts with excess oxygen then how many grams of no can be formed? a) 10.7 g b) 21.4 g c) 32.9 g d) 42.8 g page 4 of 8

How is the atomic number of a nucleus changed by alpha decay