Molar mass helium gas :
He = 4.0 g/mol
number of moles: 3.75 / 4.0 => 0.9375 moles
1 mole ------ 22.4 ( at STP)
0.9375 ------ ?
volume = 0.9375 x 22.4 / 1
Volume = 21 / 1
Volume = 21 L
hope this helps!
Answer: The answer is 1/4
Explanation:
Answer:
Second one
Explanation:
I think it's the second cause there's no energy w/o heat. So it's the second.
261.162 grams. Use the equation n=M÷Mr.
Answer:
A. the jar covers
Explanation:
An independent variable is what you, as the scientist, changes.