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allsm [11]
3 years ago
15

Explain, in your own words, what volumic mass is

Chemistry
1 answer:
ira [324]3 years ago
5 0

Answer:

The density (more precisely, the volumetric mass density; also known as specific mass), of a substance is its mass per unit volume. The symbol most often used for density is ρ (the lower case Greek letter rho), although the Latin letter D can also be used.

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Describe the contributions of 3 scientists to our current understanding of the atom
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Answer:

1. Rutherford did the scattering experiment and observed that some of the rays bounce back. He concluded that there is a mass in which positive charge is concentrated. This marks the discovery of nucleus.

2. J.J Thomson discovered electrons by conducting cathode ray experiment.

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Are protons and neutrons the same size? Explain.
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Does iron melt at 1728 degrees Celsius
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How do you dispose of an unknown chemical
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You are trying to boil water while camping in the Colorado Rockies. The surrounding barometric pressure is 0.9 bar, and the wate
e-lub [12.9K]

Answer:

Perfectly Specified

Explanation:

Given,

Pressure = P = 0.9 atm

and the Boiling point = T

Number of phases P = 1

Number of components C = 1

According to Gibb's phase rule ,

F = C - P + 2

If

  • F = 0, the system is perfectly specified

  • F > 0, the system is under specified

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At P = 0.9 atm, boiling point is T i.e. Fixed equal to 96.7 °C (from steam table)

P is independent variable and T is dependent variable (depends on the value of P ).

In this case only two variables are required to fix the system pressure and temperature.

In the given problem, pressure is fixed so the temperature is also fixed. There is no requirement of any other variable.

Therefore degree of freedom,

F = 0

The system is perfectly specified.

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3 years ago
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