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Brums [2.3K]
3 years ago
7

Which is the best example of increasing entropy?

Physics
2 answers:
andreev551 [17]3 years ago
3 0

Answer:A campfire

Explanation:

nekit [7.7K]3 years ago
3 0

Answer:

Transferring heat to a body.

Step by step answer:

Entropy refers to the degree of disorder of a system. This increases when we move from a state of greater order to one of a greater degree of disorder.

By heating a body, this causes the energy of the body to increase. This means that the speed of the molecules that compose it increases and makes them collide more frequently between them, creating an increase in the degree of disorder that exists.

A clear example of heat transfer is when a body changes its state and moves from an orderly state to one of greater disorder.

 For example:

  • Moving from a solid state to a liquid state:

Melt an ice cube

  • Move from liquid to gaseous:

Heat water until it starts to boil and turns into steam

You do not necessarily have to change the state to increase the entropy.

For example when heating water without boiling.

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What is the maximum number of double bonds that a hydrogen atom can form?
denis23 [38]

Answer:

Explanation:

The covalent bond is the chemical bond between atoms where electrons are shared, forming a molecule. Covalent bonds are established between non-metallic elements, such as hydrogen H, oxygen O and chlorine Cl. These elements have many electrons in their outermost level (valence electrons) and have a tendency to gain electrons to acquire the stability of the electronic structure of noble gas. The shared electron pair is common to the two atoms and holds them together.

In a double covalent bond each atom contributes two electrons to the bond, that is, two pairs of electrons are shared between the atoms that form the covalent bond.

The Hydrogen atom is made up of a proton and an electron, which is located in its outermost layer and allows the covalent bond to form.  So <u><em>hydrogen cannot form a double bond </em></u>because it does not have the electrons necessary to form the bond. It needs two electrons in the valence shell or last shell and it only has a single electron.

8 0
3 years ago
If you are building a clock by using a pendulum's oscillations to keep time and you find the period is a little too small (the c
Leviafan [203]

Time period of pendulum is given by

T = 2\pi\sqrt{\frac{L}{g}}

Here,

L is length

g is acceleration due to gravity

Therefore we can determine that the period of the pendulum is directly proportional to the square root of the length of the rope.

T \propto \sqrt{L}

Therefore, it is necessary to increase the length of the rope to increase the period so that it counts the seconds more slowly. The correct answer is A.

3 0
3 years ago
What can you predict about an element from its position in the periodic table
bazaltina [42]
Based on its position in the periodic table, you can predict how many electrons it has, how many valence electrons, how many levels of electrons, and its atomic number and mass.
5 0
3 years ago
5. A sled with no initial velocity accelerates at a rate of 5.0 m/s2 down a hill. How
ad-work [718]

Answer:

60 m/s

Explanation:

a =  \frac{vf - vi}{t}

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6 0
3 years ago
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AnswerA            tell me what u got sorry if its worng

Explanation:

7 0
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