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Schach [20]
3 years ago
11

A thermodynamic process occurs, and the entropy of a system decreases. What can be concluded about the entropy change of the env

ironment?
It decreases.
It increases.
It stays the same.
It could increase or decrease, depending on the process.
Physics
1 answer:
stepladder [879]3 years ago
6 0

Answer:

It stays the same.

Explanation:

Entropy of a system either increases or remains constant in any process, it never decreases.

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How much heat is absorbed by a 450g gold block as energy from the sun causes its temperature to change from 27°C to 32°C? (Speci
kotegsom [21]

Answer:

Q = 1057.5 [cal]

Explanation:

In order to solve this problem, we must use the following equation of thermal energy.

Q=m*C_{p}*(T_{final}-T_{initial})

where:

Q = heat energy [cal]

Cp = specific heat = 0.47 [cal/g*°C]

T_final = final temperature = 32 [°C]

T_initial = initial temperature = 27 [°C]

m = mass of the substance = 450 [g]

Now replacing:

Q=450*0.47*(32-27)\\Q=1057.5[cal]

5 0
3 years ago
What is water that flows across eatlrtus surface
ira [324]

Water that flows across the surface is called a;

Runoff

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Acceleration toward the center of a curved path is called
Serggg [28]

Answer:

Centripetal acceleration.

Explanation:

Centripetal acceleration is a property of a body moving in a uniform circular path and it is directed radially towards the center of the circle in which body is rotating.

The force which causes this acceleration is centripetal force which is also directed towards the center of the circle and pulls the body towards its center.

It is calculated through following formula

a=v^2/r

where v is velocity and r is the radius of the circle.

7 0
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Describe what happens when electrical impulses cross muscle fibers
kaheart [24]

Answer:

Sometimes may cause involuntary responses like twitching

Explanation:

8 0
3 years ago
When it is 32º Farenheit, what is the temperature in degrees Celsius?
Nastasia [14]

Answer:

The answer is B.

Explanation:

If 212 degrees Fahrenheit is 100 degrees Celsius, then 32 degrees Fahrenheit is 0 degrees Celsius.

7 0
3 years ago
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