Calculate the density of plutonium

  • Thread starter Thread starter kidia
  • Start date Start date
  • Tags Tags
    Density
Click For Summary

Homework Help Overview

The discussion revolves around calculating the density of plutonium, focusing on its molar mass and the appropriate method for determining volume, given that plutonium is a solid at standard temperature and pressure (STP).

Discussion Character

  • Conceptual clarification, Assumption checking

Approaches and Questions Raised

  • Participants explore the use of gas volume for a solid, question the appropriateness of using the standard volume of gas molecules, and discuss the need for lattice parameters and unit conversions for accurate density calculations.

Discussion Status

Some participants have provided guidance on the correct approach to calculating density, emphasizing the need for solid-state considerations and appropriate unit conversions. Multiple interpretations of how to derive volume are being explored, particularly regarding the crystal structure of plutonium.

Contextual Notes

Participants note the atomic radius of plutonium and its crystal structure, which may influence the calculations. There is an emphasis on ensuring the correct units are used for density calculations.

kidia
Messages
65
Reaction score
0
I want to calculate the density of plutonium,which has molar mass of 244 and atomic number 94.my problem is the volume can I use the standard volume of gas molecule 22.4?
 
Physics news on Phys.org
One cannot use the gas volume, 22.4 l, which is for a gas at STP. Plutonium is a solid at STP conditions.

Normally one would use a lattice parameter and the molecular mass (in amu) would need to be converted to kg is one is using SI or MKS units, or grams if one uses cgs. The lattice parameter (interatomic spacing) would have to be in the appropriate units.

Density could be in kg/m3 or g/cm3.
 
plutonium

Please can you clarify more by explain to me how to get the volume of plutonium?
 

Similar threads

  • · Replies 10 ·
Replies
10
Views
1K
  • · Replies 15 ·
Replies
15
Views
2K
  • · Replies 2 ·
Replies
2
Views
2K
  • · Replies 24 ·
Replies
24
Views
2K
  • · Replies 10 ·
Replies
10
Views
4K
  • · Replies 1 ·
Replies
1
Views
3K
  • · Replies 9 ·
Replies
9
Views
3K
  • · Replies 2 ·
Replies
2
Views
3K
  • · Replies 3 ·
Replies
3
Views
2K
Replies
1
Views
2K