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alexdok [17]
3 years ago
11

Physical or chemical change? what gave you the idea that it was such? ​

Chemistry
2 answers:
pantera1 [17]3 years ago
7 0

Answer:

The answer to your question is Chemical change.

Explanation:

Process

Chemistry classifies changes in two types: physical and chemical changes.

Physical changes occur when matter changes its physical state. Examples are evaporation, condensation, solidification, etc.

Chemical changes occur when matter reacts with another substance and it changes its original composition, a new molecule is formed.

From the description given we conclude that is is a chemical change.

Nana76 [90]3 years ago
3 0

Answer:

Chemical Change

Explanation:

It changes color and produces vapor when the foil is added to the solution.

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Reaction 1: C3H8(g)+5O2(g)→3CO2(g)+4H2O(g), ΔH1=−2043 kJ
Leokris [45]
Given teh equation adn the heat of reaction, reaction 2's heat of reaction can be obtained by simply multiplying teh heat of reaction of 1 by 3. The final answer is -6129 kJ. 
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3 years ago
What characteristic of an element’s atoms always determines the element’s identity?
Anna11 [10]

Answer:

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Explanation:

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3 0
3 years ago
Is a oreo a pure substance or a mixture
adoni [48]
Belive it or not but an oreo is a mixture. LOL
7 0
3 years ago
choose any bases that will selectively deprotonate the above acid, that is, any bases that will favor the formation of products.
Zanzabum

In order to deprotonate an acid, we must remove protons in order to achieve a more stable conjugate base. For this example, we can use the relationship between carboxylic acid and hydroxide.

Deprotonation is the removal of a proton from a specific type of acid in reaction to its coming into contact with a strong base. The compound formed from this reaction is known as the conjugate base of that acid. The opposite process is also possible and is when a proton is added to a special kind of base. This is a process referred to as protonation, which forms the conjugate acid of that base.

For the example we have chosen to give, the conjugate base is the carboxylate salt. This would be the compound formed by the deprotonated carboxylic acid. The base in question was strong enough to deprotonate the acid due to the greater stability offered as a conjugated base.

To learn more visit:

brainly.com/question/5613072?referrer=searchResults

8 0
2 years ago
The calculated amount of product that should ideally be produced in a chemical reaction is called the
tankabanditka [31]

Answer:

Theoretical yield

Explanation:

hope this helps :)

7 0
2 years ago
Read 2 more answers
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