What is the relation between the density of vapor and the

Click For Summary

Discussion Overview

The discussion revolves around the relationship between the density of vapor and variables such as mass and temperature, specifically in the context of alkali metals when they are vaporized. The scope includes mathematical reasoning and conceptual clarification regarding the behavior of gases.

Discussion Character

  • Exploratory, Technical explanation, Mathematical reasoning

Main Points Raised

  • One participant inquires about the mathematical equation linking vapor density, mass, and temperature for vaporized alkali metals.
  • Another participant suggests that if the metal is sufficiently hot, it can be treated as an ideal gas.
  • A subsequent post requests clarification on how to apply the ideal gas concept.
  • The ideal gas equation (PV=nRT) is presented, with an explanation of the relationships between pressure, volume, temperature, and the number of moles of gas.
  • It is noted that pressure is directly proportional to the concentration of molecules and temperature, while being inversely proportional to volume.

Areas of Agreement / Disagreement

Participants do not reach a consensus on the specific mathematical relationship sought, and the discussion includes varying levels of understanding regarding the ideal gas law and its application to vaporized alkali metals.

Contextual Notes

The discussion does not resolve the specific assumptions or conditions under which the ideal gas law applies to alkali metal vapors, nor does it clarify how to derive the density from the provided variables.

physics love
Messages
19
Reaction score
0
hi guys

my question is

if you have few grams of alkali metals and vapored it , what is the mathematical equation that links between these variables density vapor , the mass and the temperture ??

can you help me ?
 
Chemistry news on Phys.org
If the metal is hot enough to be in the gaseous state, you can treat it as an ideal gas.
 
Borek said:
If the metal is hot enough to be in the gaseous state, you can treat it as an ideal gas.

sorry, can u explain how ??
 
You do know the ideal gas equation?
 
PV=nRT where:
P= absolute pressure
V= absolute volume
T= absolute temperature
n= number of moles of gas
R= universal gas constant (8.3145 J/mol*K)

From the equation, you can see that pressure (P) is directly proportional to the concentration or number of molecules (n) and the temperature of the system (T), and at the same time it is inversely proportional to the volume of the system, V. Does that help any?
 

Similar threads

  • · Replies 8 ·
Replies
8
Views
3K
Replies
3
Views
2K
  • · Replies 17 ·
Replies
17
Views
3K
  • · Replies 131 ·
5
Replies
131
Views
10K
  • · Replies 1 ·
Replies
1
Views
2K
Replies
3
Views
2K
  • · Replies 10 ·
Replies
10
Views
3K
  • · Replies 3 ·
Replies
3
Views
3K
Replies
1
Views
2K
  • · Replies 5 ·
Replies
5
Views
2K