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yuradex [85]
3 years ago
14

Which compounds have the empirical formula CH20?

Chemistry
2 answers:
maksim [4K]3 years ago
7 0
The answers are A, B, D, and E.
Oksana_A [137]3 years ago
7 0

Answer:

Answer is A.

Explanation:

I hope it's helpful!

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The arrangement of the periodic table leads us to visualize certain trends among the atoms.

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N2O5 decomposes to form NO2 and O2 with first-order kinetics. The initial concentration of N2O5 is 3.0 M and the reaction runs f
kow [346]

Answer : The final concentration of N_2O_5 is, 2.9 M

Explanation :

Expression for rate law for first order kinetics is given by:

t=\frac{2.303}{k}\log\frac{a}{a-x}

where,

k = rate constant  = 5.89\times 10^{-3}\text{ min}^{-1}

t = time passed by the sample  = 3.5 min

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a - x = concentration left after decay process = ?

Now put all the given values in above equation, we get

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a-x=2.9M

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