Answer:
Diameter He = 0,1 nm.
Explanation:
Km to nm:
⇒ Diameter He = 1.0 E-13 Km * ( 1000 m / Km ) * ( 1 E9 nm / m )
⇒ Diameter He = 0.1 nm
Answer: Rhenium is used as an additive to tungsten- and molybdenum-based alloys to give useful properties. These alloys are used for oven filaments and x-ray machines. It is also used as an electrical contact material as it resists wear and withstands arc corrosion.
Explanation:
Answer:
sun is a star because it has it own light. it don't need to reflect through others light
Answer:
This looks like a hard question for me is this biology
Explanation:
Answer:
162 grams
Explanation:
To find the mass from molar mass and moles, you simply multiply.
You get (18.0g)x(9.00 moles)
