Answer:
768g
Explanation:
We can use to formula
. Here, N(A) is the final amount. N0 is the initial amount. t is the time elapsed, and
is the half life. Plugging in, we get the answer above.
The average Kenectic energy
<h2>
Hey There!</h2><h2>
_____________________________________</h2><h2>
Answer:</h2><h2>_____________________________________</h2>
(I) 
(II) 
(III) 
(IV) 
(V) 
<h2>
_____________________________________</h2><h2>
Best Regards,</h2><h2>
'Borz'</h2>
Answer: both are solid at room temperture
Explanation: