3 years ago

How is the hydrosphere and the geosphere alike

Chemistry

1 answer:

Verizon [17]3 years ago

3 0

The watery layer of the Earth surface.includes water vapor

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Is classified as a substance A. Elements and compound B.mixtures

Vika [28.1K]

Pretty sure it’s Mixture if I’m not wrong

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2 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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2 years ago

Which of the following produces a chemical change?

Svetlanka [38]

Exposure to chemicals.

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3 years ago

A reddish layer of rust can form on old iron nails and bikes. In this chemical reaction, iron reacts slowly with oxygen in the a

Molodets [167]

Answer:

Iron slowly reacts with oxygen and forms rust. In this case, the reactants are iron and oxygen. The product is rust, or iron oxide. The chemical equation looks like this:

Explanation:

iron + oxygen → iron oxide

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3 years ago

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Could someone please help me with this? A) 2.1 cm B) 1.5 cm C) 1.8 cm D) 2.4 cm

katrin2010 [14]

Answer: It is C I just did this question in math class

Explanation:

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9 months ago