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:
Divide by 1000
145÷1000=0.145
Hope this will be helpful.
Answer:
This question is hard :( I dont know im so sorry
Explanation:
pv=nrt
(.80atm)(?)=(.75)( .0821atm)(50+273)