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Artemon [7]
3 years ago
12

Mixing hydroelectric acid and sodium hydroxide is an example of an exothermic reaction. If you were holding a beaker while this

chemical reaction took place, then you would except it to feel?
Chemistry
1 answer:
valentina_108 [34]3 years ago
8 0

Heat

Explanation:

if I hold a beaker during a reaction that is supposedly an exothermic reaction, I will feel that the heat of the beaker. In exothermic reaction, the environment becomes hotter at the end of the change.

  • Exothermic reaction is a type of enthalpy change.
  • In this kind of reaction, heat is liberated to the surroundings.
  • Here, the surrounding becomes hotter at the end of the changes.
  • Change in enthalpy is assigned a negative value as the sum of heat contents of products is less than that of the heat content of reactants.

Learn more:

Exothermic reaction brainly.com/question/10567109

#learnwithBrainly

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Which statement describes the water gas particles in the air above the cup compared with the water liquid
Law Incorporation [45]

Answer:

The particles move faster and are far apart

Explanation:

A substance may exist in three states of matter; solid, liquid and gas.

In the solid state, there is very strong intermolecular forces between the particles of the substance. They can only vibrate or rotate about their mean positions but can not translate.

In the liquid state, the particles of the substance have a greater degree of freedom than in the solid. The magnitude of intermolecular forces is lower than in solids, the molecules can move at low speeds.

In a gas, the molecules are separated from each other with negligible intermolecular interaction hence they move at very high speed.

Therefore, for the water gas particles in the air above the cup; the particles move faster and are far apart.

8 0
3 years ago
Atoms in Group 18(8A) are inert (chemically unreactive) because
alexira [117]

Answer:

ghghcgkhhgghhjkjhgffghjklpkjihuygf

Explanation:

7 0
3 years ago
Read 2 more answers
Using the activity series provided. Which reactants will form products?
Butoxors [25]
The series of metals shown above is what we call the activity series. This is a guide for us to know what products are formed during a metal displacement reaction. A metal must be above the other metallic compound for displacement to occur. 

1. Ag is way below the series compared to Na. No reaction occurs.
2. Al  is above Fe, no reaction occurs. 
3. Na is above Ni, no reaction will occur. 
4. Fe is a more active metal than copper. A displacement reaction will occur. 


5 0
3 years ago
Read 2 more answers
If energy is required to form monatomic ions from metals and nonmetals, why do ionic compounds exist?
jonny [76]

Ionic compounds are compounds that are composed of oppositely charged ions, anions and cations. The force which holds the two ions (charged atoms) together is called the electrostatic force, and the bond that exists between them is called an ionic bond.

An ionic bond can be formed after two or more atoms loss or gain electrons to form an ion. Ionic bonds occur between metals, losing electrons, and non metals, gaining electrons.

Monoatomic elements are elements that are stable as single atoms. The chemical elements which are stable single-atom molecules at standard temperature and pressure (STP) are noble gases. These are helium, neon, argon, krypton, xenon, and radon.

Ionic compounds are made up of oppositely charged ions which are held together by strong electrostatic force of attraction. Due to this reason, they are hard solids.

To know more Electrostatic force, refer to this link:

brainly.com/question/24013868

#SPJ4

3 0
1 year ago
Which answer best describes what is happening in the following reaction?
natka813 [3]

The statement that best describes what is happening in the following reaction is this is not a redox reaction, It is an example of combustion (option A).

<h3>What is a combustion reaction?</h3>

A combustion reaction is a reaction wherein a substance is combined with oxygen, usually at high temperature, releasing heat.

According to this question, octane undergoes a combustion reaction to produce carbon dioxide and water as follows: 2C8H18 + 25O2 = 16CO2 + 18H2O

Therefore, the statement that best describes what is happening in the following reaction is this is not a redox reaction, It is an example of combustion.

Learn more about combustion at: brainly.com/question/12172040

#SPJ1

3 0
2 years ago
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