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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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A 36.0−g sample of an unknown metal at 99°C was placed in a constant-pressure calorimeter containing 70.0 g of water at 24.0°C.
Dimas [21]

Answer: 0.52849 j /g °C

Explanation:

Given the following :

Mass of metal = 36g

Δ Temperature of metal = (28.4 - 99)°C = - 70.6°C

Mass of water = 70g

Δ in temperature of water = (28.4 - 24.0) = 4.4°C

Heat lost by metal = (heat gained by water + heat gained by calorimeter)

Quantity of heat(q) = mcΔT

Where; m = mass of object ; c = specific heat capacity of object

Heat lost by metal:

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Heta gained by water and calorimeter :

(70 × 4.184 × 4.4) + (12.4 × 4.4) = 1288.672 + 54.56 = 1343.232 - - - - (2)

Equating (1) and (2)

2541.6c = 1343.232

c = 1343.232 / 2541.6

c = 0.52849 j /g °C

8 0
3 years ago
Why is reactivity not a physical property
lbvjy [14]
Reactivity is not a physical property because it's a characteristic of a chemical element or compound and is involved in chemical process.
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Answer:

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