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Nata [24]
2 years ago
9

O HCI + NaOH → NaCl + H₂O + 58 kJ

Chemistry
1 answer:
Basile [38]2 years ago
7 0

In the given equations for chemical reaction, The Equation No. 2 represents an endothermic chemical reaction.

<h3>What is an Endothermic Chemical Reaction ?</h3>

A reaction which uses energy for the formation of products is known as endothermic reaction.

In the Given Equations,

Equation no. 2 shows the uses of energy with reactants at right hand side which accounts the involvement of energy for the formation of product.

Hence, Equation 2 is a Endothermic chemical reaction.

Learn more about endothermic reaction here ;

brainly.com/question/23184814

#SPJ1

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liraira [26]

last one? don't take my word though

Explanation:

the suns heat is related to nuclear fusion

6 0
2 years ago
Why do you think some of the indicators used in experiment 2 were different than the ones used in experiment 1?
pentagon [3]

During selection of indicator. We choose an indicator which have pH range equivalent to the pH change of reaction to give better result and better observation.

So there are some different indicator are used in table 2 as compared to the table 1. 

- Alizarin and phenolphthalein are basic indicator and their pH range is more than 8 so they are used in table 2

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6 0
3 years ago
How many grams of oxygen are in 5.3 moles of lactose? (Using percent composition)
Misha Larkins [42]
Hey Umm here you can search it honey bun
8 0
3 years ago
Draw the curved arrow mechanism for the formation of an acetal from acidic methanol and 4-methylpentan-2-one in the fewest steps
morpeh [17]

Answer:

See explanation below

Explanation:

This reaction is known as Ketone hydrolisis in acid medium. This involves the formation of an hemi cetal, and then, the acetal. This is often used to convert ketones or aldehydes in ethers.

The first step involves the reaction with the acid. The carbonile reacts with the acid and forms an alcohol there. The next step is the reaction of the alcohol, in this case, the methanol to form the hemi cetal. Then in the third step, we repeat the first step, using acid to turn the OH group into a great leaving group such water. Then the water leaves the molecule, leaving the space wide open in the next step for methanol, and the acetal is formed.

See picture for the curved arrow mechanism

7 0
3 years ago
Which portion of a molecule of F2O has partial positive charge?
sweet-ann [11.9K]

Answer:

The difference in electronegativity between fluorine (4.0) and hydrogen (2.1) is quite high, so the shared electrons spend much more time in the vicinity of the fluorine atom. As a result, fluorine carries a partial negative charge in this molecule, whereas hydrogen carries a partial positive charge

Explanation:

5 0
3 years ago
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