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guajiro [1.7K]
3 years ago
13

How does the state of atoms in a neon light change when light is emitted?

Chemistry
2 answers:
barxatty [35]3 years ago
7 0
How does the state of atoms in a neon light change when light is emitted? They lose energy.-I hope this is correct!
Link: https://quizlet.com/4708128/chapter-4-flash-cards/


Blababa [14]3 years ago
5 0
The state of atoms in a neon light when light is emitted is loss of energy.
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What is the change in enthalpy when 11. 0 g of liquid mercury is heated by 15°c?
Vlad1618 [11]

Enthalpy change is the difference between energy used and energy gained. The change in enthalpy of the liquid mercury is 0.0231 kJ.

<h3>What is the enthalpy change?</h3>

Enthalpy change is the difference between the energy used to break chemical bonds and the energy gained by the products formed in a chemical reaction.

The enthalpy change is given by,

\rm \Delta H_{rxn} = \rm q_{rxn}

and,

\rm q = mc\Delta T

Given,

Mass of the liquid mercury (m) = 11.0 gm

The specific heat of mercury (c) = 0.14 J per g per degree Celsius

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Enthalpy change is calculated as:

\begin{aligned} \rm q &= \rm mc\Delta T\\\\&= 11 \times 0.14 \times 15\\\\&= 23.1 \;\rm J\end{aligned}

Therefore, 0.0231 kJ is the change in enthalpy.

Learn more about enthalpy change here:

brainly.com/question/10932978

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Hope it helps you! :)

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