Register
a mylar balloon is inflated with helium at T=293k to a pressure of 1.15 atm. If the volume of the balloon is 0.750 L, how many atoms of helium are in the balloon?
84.4k views
4 votes
a mylar balloon is inflated with helium at T=293k to a pressure of 1.15 atm. If the volume of the balloon is 0.750 L, how many atoms of helium are in the balloon?

User Moxn
by
8.5k points

1 Answer

7 votes


PV=nRT \\ 1.15 * 0.75 = n * 0.082 * 293 \\ 0,8625 \: = 24,026x \\ x = 0.036 \: mol \\ n = (m)/(MM) \\ 0.036 = (m)/(4) \\ m = 0.036 * 4 \\ m = 0.144 \: g
User Holodnyalex
by
8.4k points
← Prev Question Next Question →

Related questions

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers

Other Questions

Compare and contrast an electric generator and a battery??
As an object’s temperature increases, the ____________________ at which it radiates energy increases.
Why is gold preferred as a superior metal over silver and bronze?
Which of the following statements does not describe a physical property of a piece of chalk A. Chalk is solid B.chalk can be broken into pieces C. Chalk is white D. Chalk will bubble in vinegar
Which is an example of an atom? A)the smallest unit of Ne B)the smallest unit of p4 C)the smallest unit of NH3 D)the smallest unit of H2O
Link Copied!