An open flask contains air at `27^(@)C`. Calculate the fraction of air that would be expelled out, at `477^(@)C`. 

An open flask contains air at 27^(@)C Calculate the temperature at which it should be heated so that (1)/(3) rd of air measured at 27^(@)C escapes out

An open flask contains air at 27^(@)C Calculate the temperature at which it should be heated so that (a) (1)/(3) rd of air measured at 27^(@)C escapes out (b) (1)/(3) rd of air measured at final temperature escapes out .

An open flask contains air at 27°C.To what temperature it must be heated to expel one-fourth of the air?

An open vessel contains200 mg of air at 17^(@)C . What weight percent of air would be expelled if the vessel is heated to 117^(@)C ?

An open flask at 25^@C contains air. Calculate the temperature at which one fifth of air measured at 25^@C escapes.

An open vessel contains air at 29^(@)C . To what temperature it must be heated to expel one-third of the air?

An open flask contains air at 27^(@) C and one atm. Pressure. The flask is heated to 127^(@) C at the same pressure . The fraction of original air remaining in the flask will be

A student forgot to add the reaction mixture to the round bottomed open flask at 27^(@) C and put it on the flame After a lapse of time he realized his mistake using a pyrometer he found the temperature of the flask was 477^(@)C What fraction of air would have been expelled out ? .