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Nonamiya [84]
3 years ago
8

When a new bond forms in a chemical reaction, what happens?

Chemistry
2 answers:
Kisachek [45]3 years ago
8 0
The answer to this question would be A. Energy is released. 

When a chemical bond is a form, the bond will either suck up energy or produce energy. So, to be precise the energy is not always released but also can be absorbed. In this case, the energy released number will be a minus.

Options B and C is definitely wrong since the bond is formed by an electron, it won't affects neutron/proton.
Option D might be true since the product is made of 2 or more atoms then it would seem larger. But the size of the actual atom won't be increased.

BabaBlast [244]3 years ago
7 0

ENERGY IS RELEASED IF NEW BONDS ARE FORMED.

<u>Explanation:</u>

When reactants consolidate in substance responses, the bonds between the reactants break by engrossing the vitality which is provided to the reactants at the hour of response and structures results of those reactants which discharge the vitality.

This response is called the exothermic response. When new bonds are formed, higher potential vitality level changes to the lower potential vitality levels. potential vitality is changed over into motor vitality when the bonds break and new bonds are shaped.

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Mechanism with a small activation energy or one with large activation energy​
tangare [24]

Answer:

Rate depends on the rate constant. The rate constant depends on temperature and activation energy. If you have lower activation energy the rate will be higher. This is why catalysts are added since catalysts provide an alternate pathway that requires lower activation energy and catalysts are added to increase the rate of reaction.

Explanation:

This is only the answer if you were asking:

"Which corresponds to the faster rate: a mechanism with a small activation energy or one with a large activation energy?"

Thats what I understood about your question.

8 0
3 years ago
If a class has 120 students and the professor wants to purchase two cookies per student (or 2 coo/stu) he or she will need to bu
klio [65]
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7 0
2 years ago
Volume of water displaced = 0.175 L Mass g Density g/cm3 Hardness: = Determine the unknown mineral. Unknown mineral: 7​
erastovalidia [21]

Answer:

Mass: 981.0 g

Density: 5.61 g/cm^3

Hardness: = 2.5 - 3

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Explanation:

5 0
3 years ago
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7nadin3 [17]
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Hope this helps!
6 0
3 years ago
It takes 330 joules of energy to raise the temperature of 24.6 gbenzene from 21 degrees Celsius to 28.7 degrees Celsius at const
lilavasa [31]

Given :

Energy , E = 330 J .

Initial temperature , T_i=21^oC .

Final temperature , T_f=24.6^oC .

Mass of benzene , m = 24.6 g .

To Find :

The molar hear capacity of benzene at constant pressure .

Solution :

Molecular mass of benzene , M = 78 g/mol .

Number of moles of benzene :

n=\dfrac{24.6}{78} \ mol\\\\n=0.32 \ mol

Energy required is given by :

q=nC_p\Delta T\\\\330=0.32\times C_p\times (28.7-21)\\\\C_p=\dfrac{330}{0.32\times 7.7}\ J\ mol^{-1}^oC^{-1} \\\\C_p=133.9\ J\ mol^{-1}^oC^{-1}

Hence , this is the required solution .

8 0
2 years ago
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