The average atomic mass of N2 is 14.0067. The atomic masses of the 2 stable isotopes of nitrogen, N-14 and N-15, are14.003074002 and 15.00010897 amu, respectively. Calculate the percent abundance of each nitrogen isotope. Ex.: The average atomic weight of copper is 63.5amu .
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A change in temperature or color are two signs that a chemical reaction has taken place.
Answer:Response times ...
Explanation:
Answer:
Option A) Exothermic Reaction
Explanation:
In exothermic reaction, the energy is released. The reactants are at high energy while the products are at low energy as shown in the graph.
