Helium balloon at a pressure, Chemistry

Assignment Help:

A 10L helium balloon at a pressure of two bar at 27C. Some O2 is now inside in balloon and final volume is made 30L. the pressure also fell to 1 bar at similar temperature. the partial pressure of O2 at end is?

Solution) For helium.

 n(He)=P(1)V(1)/RT.
for oxygen n(O)=P(2)V(2)/RT

partial pressure of O2= (mole fraction of O2).(Total pressure)

= [  P(2).V(2) / P(2).V(2) + P(1).V(1)  ].(1)
= 1.30 / 1.30 + 2.10
=30/30+20=3/5 bar
Hence 0.6 bar (ANS)


Related Discussions:- Helium balloon at a pressure

Boron, Equivalent Weight

Equivalent Weight

Extraction of metals, metals iron, aluminium, copper, gold, etc. have great...

metals iron, aluminium, copper, gold, etc. have great industrial significants. which are their important ores? important alloys of iron, aluminium and copper and their uses.

Ph scale, Being simultaneously basic and acidic, water undergoes autoprotol...

Being simultaneously basic and acidic, water undergoes autoprotolysis, also called self-ionization: The equilibrium constant is   H3O+ in these equations is gene

The maximum amount of ba3(po4)2, If 0.5 mol of BaCl 2 is mixed with 0.20 m...

If 0.5 mol of BaCl 2 is mixed with 0.20 mol of Na 3 PO 4 , the maximum amount of Ba 3 (PO4) 2 that can be formed is 3 BaCl 2 + 2 Na3PO 4 = Ba 3 (PO4) 2 + 6NaCl Here cle

Organic chemistry, Show by means of equation and reagent butanoic acid is f...

Show by means of equation and reagent butanoic acid is formed from propyne

Substitution reactions - types of organic reactions, Substitution reactions...

Substitution reactions Replacement of a molecule or set/group of the substrate by any another type of atom or group is termed as substitution reactions. Examples :

What is the excitation power that has been used, What is the excitation pow...

What is the excitation power that has been used? The absorption cross section is a significant parameter for the calculation of the expected fluorescence signal from a single m

Nuclear chemistry, Why the lest packing fraction havig higj of the binding ...

Why the lest packing fraction havig higj of the binding energy

What are polymers, A substance that has a molecular structure built up chi...

A substance that has a molecular structure built up chiefly or completely from a large number of similar units bonded together.

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd