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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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Which of the following is equal to Velocity change per second​
Mademuasel [1]

Acceleration

Explanation:

Acceleration is a physical quantity that expresses the change in the velocity of a body per unit of time.

  Acceleration = \frac{V - U }{T}

V is the initial velocity

U is the final velocity

T is the time

It is has a unit of m/s²

Learn more:

Acceleration brainly.com/question/3820012

#learnwithBrainly

8 0
3 years ago
An 4-kg ball experiences a force and accelerates at a rate of 1.5 m/s.
ANTONII [103]

Answer:

6.0 N

Explanation:

The strength of a force is expressed as the magnitude of the force in Newton.

The formula to apply here is :

Force= mass * acceleration

F=ma

Mass, m = 4 kg

Acceleration = 1.5 m/s²

Force= 4 *1.5 = 6.0 N

4 0
3 years ago
Which best explains how the diffraction pattern observed in young’s experiment supports the wave theory of light?.
KIM [24]

Answer: the airy pattern can only arise from wave propagation

Explanation:if particles went in straight lines through a slit, they would progate linearly and not interfere. The airy pattern arises from diffraction as waves interfere, producing peaks (constructive interference where peaks of waves from each slit coincide) and troughs (destructive interference where peaks and troughs of waves from each slit cancel out). If intensity rather than field is measured nodes occur where 0 values line up instead of troughs

6 0
2 years ago
How many like does it take to get to the center of a tosipop
dmitriy555 [2]
252-364 licks 

I'm not sure if it's correct or not 
4 0
3 years ago
Read 2 more answers
PLEASE HELP!
Harman [31]
Hey user!

your answer is here..

correct option is A. steel

we know that sounds travel faster in solid as compared to gas and liquids. in gas the molecules are very loosely packed and there is lot of space between so it takes more time to pass sound from each other. and in liquid, the molecules are closer as compared to gas hence it will be little faster and in solid, the molecules are very tightly packed so it will be the fastest. and among these options, steel is the only solid so the speed of sound in steel will be the fastest.

and note that the closer the molecules are to each other ( tightly packed ) makes the bond also tighter and less time to pass sound.

cheers!!
8 0
3 years ago
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