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vodomira [7]
3 years ago
12

The physical world around us behaves as it does partly because it’s made of a huge number of tiny molecules, each behaving rando

mly. In the 1800’s, the Scottish physicist James Clerk Maxwell imagined that seemingly non-random things would happen on a random basis in our real world. The fastest-moving molecules would occasionally all find themselves in one part of a water glass and begin to boil, while the slower ones, left to themselves for a bit, would freeze elsewhere in the glass. Or, at some point, all the molecules in a room would randomly be moving in just one direction, rather than every which way. The term associated with such weird hypothetical scenarios is “Maxwell’s demon.” Explain why you think we don’t see weird things like this happen, on a random basis in real life. Imagine this randomly weird world for a minute. Describe something that would make it very difficult (or at least interesting) to live in a “Maxwell’s demon” world.
Chemistry
1 answer:
never [62]3 years ago
4 0
I don't think that "Maxwell's demon" is possible to happen. Take for example a boiling water poured in a glass and cold water poured in the same glass. They each have different temperatures but when they are put together in the same container, the boiling water releases its energy and absorbs some coldness of the cold water and vice versa. In the end, the water temperature will be the average temperature of both types of water. Boiling water and cold water in the same container can never keep their original temperature. It just is not possible. Even if there is a glass partition to separate these waters, heat and coldness will still be transferred between the two through the glass partition.


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What contribution did these scientists make to atomic models of the atom?
SashulF [63]

Answer:

Explanation:

Dalton's atomic theory proposed that all matter was composed of atoms, indivisible and indestructible building blocks. While all atoms of an element were identical, different elements had atoms of differing size and mass.

In 1897, J.J. Thomson discovered the electron by experimenting with a Crookes, or cathode ray, tube. He demonstrated that cathode rays were negatively charged. In addition, he also studied positively charged particles in neon gas.

Rutherford overturned Thomson's model in 1911 with his well-known gold foil experiment in which he demonstrated that the atom has a tiny and heavy nucleus. Rutherford designed an experiment to use the alpha particles emitted by a radioactive element as probes to the unseen world of atomic structure.

The Bohr model shows the atom as a small, positively charged nucleus surrounded by orbiting electrons. Bohr was the first to discover that electrons travel in separate orbits around the nucleus and that the number of electrons in the outer orbit determines the properties of an element.

7 0
3 years ago
The ion n3− has _____ protons and _____ electrons.enter your answers as integers separated by a comma.
bearhunter [10]
The ion N³⁻ is called the azide ion. In its neutral state, it occurs as the element Nitrogen. The atomic number of Nitrogen is 7. When it turns into an anion (negatively charged ion), it gains 3 more electrons. That's why its net charge becomes -3. It means that the protons is still 7, but the electrons are now 10. 

Overall charge = +7 + -10 = -3
5 0
3 years ago
Read 2 more answers
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7 0
3 years ago
Which button is a shortcut for scientific notation on<br> a scientific calculator?
Svetlanka [38]

Answer: For many calculators, including the TI –83 and TI 83 Plus, the [EE] button is used to enter scientific notation. The [EE] button can be found in yellow above the comma key [,].

8 0
3 years ago
Given that Delta.G for the reaction below is –957.9 kJ, what is Delta.Gf of H2O?
Alexxandr [17]

Answer:

6ΔG°(f) H₂O = -229 Kj/mol

Explanation:

                    4NH₃(g)          +      5O₂(g)       =>        4NO(g)           +     6H₂O(g)

ΔG°(f) 4mol(-16.66Kj/mol) | 5mol(0Kj/mol) || 4mol(+86.71Kj/mol) | 6ΔG°(f) H₂O

Hess's Law

ΔG°(Rxn) = ∑ΔG°(f) Products - ∑ΔG°(f) Reactants

-957.9 Kj = [(4mol(+86.71Kj/mol)) + 6ΔG°(f) H₂O(g)] - [4mol(-16.66Kj/mol) + 5mol(0Kj/mol)]

-957.9 Kj = [4(86.7)Kj + 6ΔG°(f) H₂O] - [4(-16.66)Kj] = 346.84Kj + 6ΔG°(f) H₂O + 66.64Kj

ΔG°(f) H₂O = ((-957.9 - 346.84 -66.64)/6)Kj =  -228.56 Kj ≅ -228.6 Kj*

*Verified with Standard Heat of Formation Table

8 0
3 years ago
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