40 g Ar.......6.023*10^23 atoms
x g Ar.......3.8*10^24 atoms
x=40*3.8*10^24/(6.023*10^23)=252,365g Ar
Answer:

Explanation:
Methanol's molecular weight: 
Methanol's heat of vaporization: 
Ideal gas heat capacity (Cp):
where R is the gas constant

The heat needed to vaporize and bring the gs to 210°C is:


Answer:
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Explanation:
3. Ampere is the base unit for electric current.