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4 years ago

Mr.Davies has requested that you wait for 10 more minutes is that informal or formal

Chemistry

2 answers:

LUCKY_DIMON [66]4 years ago

7 0

Answer:

Formal

Explanation:

s2008m [1.1K]4 years ago

3 0

Answer:

I think its formal because the question looks a bit fancy by using all the present perfect tense..

hope this helped you

please mark as the brainliest ( if its correct)(ㆁωㆁ)

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. Explaining How is the legislative branch organized, and<br>what are its functions?

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Answer:

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Explanation:

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3 years ago

Why are there so many different kind of apples

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3 years ago

Filtration, decantation, and evaporation are examples of

Tju [1.3M]

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3 years ago

Write the net ionic equation for the reaction that occurs when equal volumes of 0.546 M aqueous acetylsalicylic acid (aspirin) a

Tatiana [17]

Answer:

$C_9H_8O_4+C_2H_3O_2^-\rightarrow C_2H_4O_2+C_9H_7O_4^-$

Explanation:

Hello there!

In this case, according to the given information, it turns out possible for us to figure out the required net ionic equation by firstly writing out the complete molecular equation between aspirin and sodium acetate:

$C_9H_8O_4+NaC_2H_3O_2\rightarrow C_2H_4O_2+NaC_9H_7O_4$

Whereas acetic acid and sodium acetylsalicylate are formed. Now, we write the complete ionic equation whereby sodium acetate and sodium acetylsalicylate are ionized because they are salts yet neither aspirin nor acetic acid are ionized as they are weak acids:

$C_9H_8O_4+Na^++C_2H_3O_2^-\rightarrow C_2H_4O_2+Na^++C_9H_7O_4^-$

Finally, for the net ionic equation we cancel out the sodium spectator ions to obtain:

$C_9H_8O_4+C_2H_3O_2^-\rightarrow C_2H_4O_2+C_9H_7O_4^-$

Regards!

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3 years ago

A cube made of an unknown material has a height of 9 cm. The mass of this cube is 3,645 grams.

kvasek [131]

Answer:

v=9*9*9=729 ml

3645/729= 5g/cm 3

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3 years ago