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miss Akunina [59]
3 years ago
14

The theory of evolution states

Chemistry
1 answer:
dmitriy555 [2]3 years ago
8 0

Answer:

the theory of evolution states that all living things which exist today, and many more that are now extinct, evolved from simple life forms which first developed 3 billion years ago.

Explanation:

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It is possible to prepare ethanol by nucleophilic substitution. For an electrophile, you could choose EtCl, EtBr, or EtI; for a
tensa zangetsu [6.8K]

Answer:

The reactant/reagent that would be most atom economical is EtI (Ethy Iodide) and KOH (potassium oxide) as base

This is because the iodo group are weak base hence they have a good leaving character (i.e they are unstable on their own ) which would increase the rate of reaction and the strong base KOH give the most atom economical  

Explanation:

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The phase of matter can be changed by:
stiks02 [169]

Answer: A

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Atoms are the smallest particles of a compound that still retain the properties of that
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Answer:

the answer is true

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2 years ago
List four energy resources​
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Nuclear

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A sample has a pH of -0.248 (yes, it really is possible to have a negative pH). Find
dalvyx [7]

Answer:

pOH= 14.248

[H+]=1.77 M

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Explanation:

pH+pOH= 14

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[H+]=10^-pH= 10^-(-0.248)=1.77 M

[OH-]=10^-pOH= 10^-14.248=5.65 x10^-15M

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