Answer:
151.94 u
Explanation:
The atomic mass of Eu is the <em>weighted average</em> of the atomic masses of its isotopes.
We multiply the atomic mass of each isotope by a number representing its relative importance (i.e., its <em>percent abundance</em>).
The atomic masses of Eu-151 and Eu-153 are 150.92 u and 152.92 u, respectively.
Set up a table for easy calculation.
0.4803 × 150.92 u = 72.472 u
0.5197 × 152.92 u = <u> 79.473 u
</u>
TOTAL = 151.94 u
The mass is conserved, so it stays the same, 450g
Explanation:
Nitrous oxide or dinitrogen monoxide can be simple be prepared by the decomposition of ammonium nitrate in the following way -
<u>The reaction is as follows -</u>
NH₄NO₃ ----------------> N₂O + H₂O
This is the unbalanced reaction as was asked in the question , without mentioning the states of matter .
The reaction is carried out in an anhydrous condition ,since , ammonium nitrate can explode on heating .
Answer:
Dairy farms and livestock operations
Explanation:
