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3 years ago

What does to squeeze a gas into a smaller space mean?

Physics

2 answers:

puteri [66]3 years ago

7 0

You are allowing gas to travel anywhere it wants to

kobusy [5.1K]3 years ago

3 0

Youre basically allowing the gas to have room to roam free in a large container. When you "squeeze" it into a smaller space, there is less room to move and thus the atoms bounce off of each other more often.

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An organ pipe is 2m long, open at one end, and closed at the other. What is the wavelength of the third harmonic for this organ

aleksandrvk [35]

Answer:

In an open pipe, the length of the pipe contains half of a wavelength, so a sound of wavelength 4m will be produced.

340 / 4 is 85, so the harmonic frequency will be 85 hz

Explanation:

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3 years ago

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Your answer should be “1.”

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3 years ago

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Why should I care about children in Haiti that are being targeted by Haitian gangs?

Colt1911 [192]

Answer:

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3 years ago

One end of an insulated metal rod is maintained at 100 ∘C and the other end is maintained at 0.00∘C by ice–water mixture. The ro

Hitman42 [59]

Answer:

153.0815W/m.K

Explanation:

Heat transferred in phase is changed is expressed as:

$Q=\pm mL$ (m-mass, Q-heat, L-Latent heat of phase change)

Latent heat is the heat required to change the phase of 1kg of the material.

#The rate of heat flow(by conduction) per unit time:

$H=\frac{\bigtriangleup Q}{\bigtriangleup t}=kA\frac{T_H-T_C}{L}\\\\L_f=334\times10^3J/kj\\\\H_{ice}=\frac{Q_{ice}}{t}=\frac{m_{ice}L_f}{t}$ #Heat flowing through melting ice.

$H_{ice}=\frac{5.0\times10^-^3kg)334\times10^3J/kg)}{10\times60s}\\\\=2.7833J/s$

To solve for k:

$H=\frac{\bigtriangleup Q }{\bigtriangleup t}\\\\=kA\frac{T_H-T_C}{L}$ $H=\frac{\bigtriangleup Q }{\bigtriangleup t}\\\\=kA\frac{T_H-T_C}{L}$ $H=\frac{\bigtriangleup Q }{\bigtriangleup t}\\\\=kA\frac{T_H-T_C}{L}\\\\k=\frac{H}{A\frac{T_H-T_C}{L}}=\frac{HL}{A(T_H-T_C)}$

$=\frac{(2.7833J/s\times 0.55)}{1.00\times10^-^4m^2\times 100K}\\\\=153.0815W/m.K$

The thermal conductivity k of the metal is 153.0815W/m.K

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3 years ago