Which of the following lists show the elements in order, from those having the least protons to those having the most protons in
the atoms?
A. K, Mg, N, O
B. C, Al, P, Cl
C. Li, Be, H, He
D. Na, Ne, He, H
A. K, Mg, N, O
B. C, Al, P, Cl
C. Li, Be, H, He
D. Na, Ne, He, H
2 answers:
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Answer:
The rate of disappearance of for this period is
Explanation:
Initial concentration of = x = 0.0138 M
Final concentration of = y = 0.00886 M
Time elapsed during change in concentration = Δt = 374 s
Change in concentration ,= y - x = 0.00886 - 0.0138 M = -0.00494 M
The rate of disappearance of for this period is: