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AlladinOne [14]
3 years ago
8

1. Provide a definition of an Arrhenius acid and an Arrhenius base. What has science determined to be the limitations of these d

efinitions (in other words, what makes this definition incomplete or lacking)?
Chemistry
1 answer:
lara [203]3 years ago
5 0

Answer:

See Explanation ( = same answer for earlier question)

Explanation:

The Arrhenius acid-base theory defines an acid as a compound which when added into water increases the hydronium ion (H₃O⁺) concentration and the base as a compound which when added into water increases the hydroxide (OH⁻) ion concentration. As such, an acid-base reaction is limited to proton transfer to only OH⁻ ions forming water. Such would imply that all acid-base reactions produce water only in addition to a salt. This is not always the case as conjugate base anions for many substances can receive proton transfer.

Example: The reaction HOAc + NaCN => HCN + OAc-  will occur in aqueous media because the proton (H⁺) on acetic acid (HOAc) will transfer to the cyanate ion forming hydrocyanic acid (HCN). Such occurs because the CN⁻ ion is a stronger conjugate base than the acetate ion (OAc⁻) and forms the more stable weak acid.  Such is the basis of the Bronsted-Lowry Acid-Base system and states that an acid (proton donor) will transfer its ionizable hydrogen to a conjugate base (proton acceptor) if the transfer forms a weaker acid.

Read more on Brainly.com - brainly.com/question/15316776#readmore

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A three-component mixture of organic compounds in diethyl ether consists of a carboxylic acid, an amine base, and a neutral comp
Dmitrij [34]

Answer:the sodium carboxylate salt

Explanation:

The reaction between the carboxylic acid and the sodium hydroxide yields a sodium carboxylate. This sodium carboxylate is an ionic in nature; RCCOO-Na+. This can effectively interact with water and remain in the aqueous phase since it is composed of the carboxylate ion and sodium ion in solution. The aqueous phase always contains water soluble ionic substances of which the sodium carboxylate is a typical example of such.

4 0
3 years ago
Prob.: Consider the combustion of butane (C4H10):
never [62]

<u>Answer:</u> The moles of carbon dioxide formed in the reaction is 20 moles.

<u>Explanation:</u>

We are given:

Number of moles of butane = 5.0 moles

The chemical reaction for the combustion of butane follows the equation:

2C_4H_{10}(g)+13O_2(g)\rightarrow 8CO_2(g)+10H_2O(l)

As, oxygen is present in excess. So, it is considered as an excess reagent.

Thus, butane is considered as a limiting reagent because it limits the formation of products.

By stoichiometry of the reaction:

2 moles of butane produces 8 moles of carbon dioxide.

So, 5 moles of butane will produce = \frac{8}{2}\times 5=20mol of carbon dioxide.

Hence, the moles of carbon dioxide formed in the reaction is 20 moles.

7 0
3 years ago
NEED HELP ASAP PLEASE!!! EMERGENCY!
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D I believe peace out Hope this helps
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Step2247 [10]

Answer:

physical change

Explanation:

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A mixture results in a ___________________________ change.
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