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Vsevolod [243]
3 years ago
13

Put the following in order of size starting with the smallest and ending with the largest.

Chemistry
1 answer:
malfutka [58]3 years ago
5 0

Answer:

moon, planet, sun, solar system, galaxy, Universe

Explanation:

I am not fully sure but I think this is right

but I apologize if it is wrong

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Tpy6a [65]

Answer:

only 1

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3 years ago
The decomposition of acetaldehyde is a second order reaction with a rate constant of 4.71 10−8 L/mol/s. What is the instantaneou
pochemuha

Answer: Rate of decomposition of acetaldehyde in a solution is 1.45\times 10^{-14}mol/Ls

Explanation:

Rate law says that rate of a reaction is directly proportional to the concentration of the reactants each raised to a stoichiometric coefficient determined experimentally called as order.

For a reaction : A\rightarrow products

Rate=k[A]^x

k= rate constant

x = order of the reaction = 2

Rate=4.71\times 10^{-8}L/mol/s\times {5.55\times 10^{-4}M}^2

Rate=1.45\times 10^{-14}

Thus rate of decomposition of acetaldehyde in a solution is 1.45\times 10^{-14}mol/Ls

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A gas has
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Gases take the shape of their container and have no definite volume because they can diffuse indefinitely. Answer C.
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This is a physical change.
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3 years ago
Fill in the flowing information for the element uranium
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Answer:

Period: 7

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Group: Actinide

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