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Readme [11.4K]
3 years ago
12

Workers on a movie set are stacking fake glass to use in a scene. The diagram above shows the pieces of fake glass before they t

ouch each other. Use the information in the diagram to answer the question.
Compare the temperatures of the four pieces of fake glass before they touch. Which pieces are warmer, which pieces are cooler, and are any pieces the same temperature as each other? After the top pieces and bottom pieces have been touching for a while, will the two bottom pieces be the same temperature or different temperatures? Explain how their temperatures will compare, and why.
Chemistry
1 answer:
lorasvet [3.4K]3 years ago
8 0

Answer:

I did the same thing I hope this helps you and sorry if its incorrect :)

When observing the photo above, I see that in both scenes, the bottom glass has 8 as their molecule energy and the top has 16 as their molecule energy. Since the bottom glass has more molecules in scene 2, that means they have more total energy. However, in scene 1, the top glass has more total energy. In scene one, the top is warmer and the bottom is cooler. In scene 2, the bottom glass is warmer than the top. No pieces are at the same temperature. When they have been touching for a while, the pieces will be at the same temperature since they will eventually reach equilibrium. The temperature will compare because at the start, they were different temperatures. However, after they will have the same temperature.

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How much heat is lost when 0.440 mol of steam condenses at 100 °C?
dusya [7]

Answer:

17,890 J

Explanation:

The amount of heat released by a gaseous substance when it condenses is given by the formula

Q=n\lambda_v

where

n is the number of moles of the substance

\lambda_v is the latent heat of vaporization

The formula can be applied if the substance is at its vaporization temperature.

In this problem, we have:

n = 0.440 mol is the number of moles of steam

\lambda_v=40,660 J/mol is the latent heat of vaporization of water

And the steam is already at 100C, so we can apply the formula:

Q=(0.440)(40660)=17,890 J

8 0
3 years ago
For the following reaction, identify the element that was oxidized, the element that was reduced, and the reducing agent. Give a
Volgvan

<span>For this reaction, oxidation number of Carbon in CO would be +2 while oxidation number of carbon in CO2 would be +4 and so this means that carbon has oxidized. Oxidation number of nitrogen in NO is +2. While oxidation number of nitrogen in N2 is 0 so this means that nitrogen had reduced. The reducing agent is the one which provides electrons by oxidizing itself so in this case; CO is the reducing agent while the C in CO oxidized to produce electrons. </span><span>I am hoping that this answer has satisfied your query about and it will be able to help you, and if you’d like, feel free to ask another question.</span>

6 0
3 years ago
Which one of these elements is an alkaline earth metal
In-s [12.5K]
The answer to this problem is Beryllium is an alkaline earth metal.
7 0
3 years ago
The Valence Electrons of an Atom of Which Element would feel a Greater Effective Nuclear Charge than the Valence?
kumpel [21]
The effective nuclear charge is an innate property of a specific element. It is the pull of force that an electron feels from the nucleus. It is related to the valence electron by the equation: Z* = Z-S, where Z* is the effective nuclear charge, Z is the atomic number and S is the shielding constant.

For the following elements in the choices, these are their values of Z*:

Aluminum - +12.591
Beryllium - +1.912
Hydrogen - +1
Carbon - +4

The effective nuclear charge of Boron is +3. Thus, the answers are  Aluminum and Carbon.
5 0
3 years ago
The unit used to measure the diameter of an atom is an?
ohaa [14]

Answer:

Atomic Radii

Have a great day!

6 0
2 years ago
Read 2 more answers
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