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solong [7]
3 years ago
9

08 03 M

Chemistry
1 answer:
kvv77 [185]3 years ago
5 0

Answer:

The star is a special star

Explanation:

it is a binary star it is dominated by a luminous main sequence of star! it has a magnitude of -1.46. Sirius A's apparent bright ness can be attributed both to its inherited luminosity! 20 times that of thr sun anf its proximity. At just 8.7 Light years away sirius is the seventh closest star to earth.

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At what temperature does uranium hexafluoride have a density of 0.5820 g/L at 0.5073 atm?
Svet_ta [14]

Answer:

4204 K

Explanation:

Step 1: Data

<em>Given data</em>

  • Density of uranium hexafluoride (ρ): 0.5820 g/L
  • Pressure of uranium hexafluoride (P): 0.5073 atm

<em>Required data</em>

  • Universal gas constant (R): 0.08206 atm.L/mol.K
  • Molar mass of uranium hexafluoride (M): 352.02 g/mol

Step 2: Calculate the temperature of the gas

We will use the following expression derived from the ideal gas equation.

P × M = ρ × R × T

T = P × M/ρ × R

T = 0.5073 atm × (352.02 g/mol)/(0.5820 g/L) × (0.08206 atm.L/mol.K)

T = 4204 K

8 0
3 years ago
*HELP*
Lina20 [59]
Displcement reaction. metal added to solutions containing metal that is less reactive would have visible reaction while less reactive metal will have no visible reaction. Eg, if copper is added to Mgcl2 andZnCl2, there will be no visible reaction. If Mg is added to CuCl2, blue solution will fade to form colourless solution and a reddish brown ppt of Cu will be formed.
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How have chemists changed our daily lives the most
sladkih [1.3K]
By using what they know to produce new and helpful products
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What is the pH of 2.0 M nitrous acid at equilibrium (Ka= 4.6×10-4)?
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Check out this link to help you. :)
Someone else already answered this question.
brainly.com/question/1489637
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What are the two parts of a solution?
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The 2 parts or components that make up a solution would be the solute and the solvent.
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