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Umnica [9.8K]
1 year ago
8

What is the change in entropy of 0.130 kg of helium gas at the normal boiling point of helium when it all condenses isothermally

to 1.00 l of liquid helium?
Physics
1 answer:
exis [7]1 year ago
3 0

At helium's typical boiling point, the change in entropy of the gas is -644J/K.

What is Entropy?

The measurement of disorder or randomness is called entropy. This unpredictability might apply to the entire cosmos, a straightforward chemical event, or even something as basic as the heat exchange and heat transport. The lack of uniformity or irregularity in a thermodynamic system is referred to as a disorder. Entropy is represented by the letter "S," and it is a broad attribute since the amount of entropy or the rate at which it changes depends on the components of a thermodynamic system. Entropy is an intriguing idea since it contradicts the notion that all heat is transferred. By doing so, the second law of thermodynamics is redefined. Entropy and spontaneity are related, meaning that the more disorder or entropy a thermodynamic process has, the more spontaneity it exhibits.

To learn more about Entropy, visit:

brainly.com/question/13146879

#SPJ4

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The nucleus contains protons and neutrons. Being positively charged, the protons repel each other. The nucleus should fly apart
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3 years ago
A 50.0-kg bungee jumper steps off a bridge with a light bungee cord tied to her and to the bridge. The unstretched length of the
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The the analysis for the free fall part should be done under the constant acceleration.

Explanation:

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8 0
2 years ago
A student measures the speed of yellow light in water to be 2.00x10^8
max2010maxim [7]

NOTE: The given question is incomplete.

<u>The complete question is given below.</u>

A student measures the speed of yellow light in water to be 2.00 x 10⁸ m/s. Calculate the speed of light in air.

Solution:

Speed of yellow light in water (v) = 2.00 x 10⁸ m/s

Refractive Index of water with respect to air (μ) = 4/3

Refractive Index = Speed of yellow light in air / Speed of yellow light in water

Or,  The speed of yellow light in air = Refractive Index × Speed of yellow light in water

or,                                           = (4/3) × 2.00 x 10⁸ m/s

or,                                           = 2.67 × 10⁸ m/s ≈ 3.0 × 10⁸ m/s

Hence, the required speed of yellow light in the air will be 3.0 × 10⁸ m/s.

7 0
3 years ago
6
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Explanation:

A light bulb changes electrical energy into <em>heat energy and light energy .</em>

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