1 mole tungsten ------------- 6.02 x 10²³ atoms
0.0845 moles ---------------- ( atoms tungsten )
atoms tungsten = 0.0845 x ( 6.02 x 10²³) / 1
atoms tungsten = 5.08 x 10²² / 1
= 5.08 x 10²² atoms of tungsten
hope this helps!
Answer and explanation:
A museum curator is most likely an art conservationist. They would have to determine the age an art piece was developed and ways to preserve older artefacts.
These processes would require the use of chemicals and physical tests, and also research laboratories.
<em>I hope this answer is helpful and clear.</em>
Answer:
Its advantages include lower temperature than that of water ice and not leaving any residue (other than incidental frost from moisture in the atmosphere).
Explanation:
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e. ice changed to gas
f.the specific heat of vaporisation is greater than heat of fusion because eventually all the ice changed to gas it becomes vaporisation