The Earth's atmosphere is composed nitrogen (N2) ,oxygen (O2) ,argon (Ar) ,water vapor (H2O) ,and traces of other gases.There are 6.74·1016 kg of argon in earth's atmosphere.The average mass of a mole of the atmosphere is 28.96 g and the molar mass of argon is 40 g.What is the percentage,by volume of argon in the Earth's atmosphere?
A) 0.79%
B) 0.53%
C) 0.88%
D) 1.02%
E) 0.93%
Correct Answer:
Verified
Q71: An object is completely submerged in oil
Q72: A large wind turbine is used to
Q73: A syringe with a plunger of diameter
Q74: What is the buoyant force on a
Q75: A women's high-heeled shoe has an area
Q76: A particular steel cable used in the
Q77: The Earth's atmosphere is composed (by volume)of
Q78: A 3.3-m long wire with a cross
Q80: Find the pressure difference (in N/m2)between the
Q81: A wind turbine is used to extract
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents