Two isotopes are known for Nitrogen. 99.63% of all the atoms of Nitrogen weight 14.003074 amu. The other 0.37% weights 15.000108 amu. Find the average atomic mass of Nitrogen.

What reaction is taking place? 02 + c3h8 = h20 + co2

What are the first three quantum numbers for the electrons located in subshell 2s?

Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.