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Doss [256]
3 years ago
5

Explain why the pressure exerted by a gas does not depend on the type of the gas.

Physics
2 answers:
Phantasy [73]3 years ago
5 0

Explanation: the pressure exerted by a gas does not depend on the type of the gas because pressure is a physical force its has not chemical composition.

So, pressure depends upon the numbers of molecules of the gas because gas molecules collide with the wall of the vessel. They exert force on the wall and we know the pressure is force applied per unit area .

According to Gay - Lussac's law,  the temperature of the gas is direct proportional to the pressure  at a constant volume.

charle [14.2K]3 years ago
4 0
The pressure exerted by a gas depends on the number of gas particles present, according to the Kinetic Molecular Theory of gases. Other factors like volume of the particles or the intermolecular forces between molecules are assumed zero. So 50 particles of Helium gas exerts the same pressure of 50 particles of Oxygen gas.
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3 years ago
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A 2,400 kg car drives north toward a 60 kg shopping cart that has a velocity of zero. The two objects collide, giving the car a
kherson [118]

Answer:

A 4.55 m/s north

Explanation:

3 0
3 years ago
a proton is in a box of width L. what must the width of the box be for the ground level energy to be 5.0 MeV, a typical value fo
sashaice [31]

Answer:

Width of a box, l=6.41\times 10^{-15}\ m

Explanation:

The ground level energy of a proton in a box is, E = 5 MeV

E =5\times 10^6\ eV\\\\=5\times 10^6\times 1.6\times 10^{-19}\\\\=8\times 10^{-13}\ J

Energy in a box is given by :

E=\dfrac{n^2h^2}{8ml^2}

For ground state, n = 1

m is mass of proton

h is Planck's constant

l is width of the box

l^2=\dfrac{n^2h^2}{8mE}\\\\l^2=\dfrac{1^2\times (6.63\times 10^{-34})^2}{8\times 1.67\times 10^{-27}\times 8\times 10^{-13}}\\\\l=\sqrt{\dfrac{1^{2}\times(6.63\times10^{-34})^{2}}{8\times1.67\times10^{-27}\times8\times10^{-13}}}\\\\l=6.41\times 10^{-15}\ m

So, the width of the bx is 6.41\times 10^{-15}\ m.

6 0
3 years ago
When 0.250 moles of licl are added to 200.0g of water in a constant pressure?
Mariana [72]
Lithium Chloride releases 37 kJ of energy per mole when dissolved in water.
Energy released = 0.25 x 37
= 9.25 kJ
= 9,250 J
Temperature change of water may be calculated using
ΔH = mCpΔT
Cp = 4.18 J/g

ΔT = 9,250 / (200 x 4.18)
ΔT = 11.1 °C
6 0
4 years ago
Water changes shape to fill the shape of its container. What is the best explanation for this?
jeka57 [31]
D. The molecules in water are constantly moving.

They are able to do this because they move around to take whatever shape of the container.
6 0
3 years ago
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