Identify what chemical equation is this by type.
3. 2KNO3(s) ---> --->2KNO268 ) + O2(g)​

What is the molar mass of a gas that has density of 2.054 g/l

A650 ml sodium bromine solution has a bromide ion concentration of 0.245 m. what is the mass (g) of sodium bromide in solution? a) 103.b)0.00155.c)16400.d) 16.4.e) 0.159

Convert .347 kilometers to miles show your work