1.

An ideal gas at 13^(0)C , is heated to double its volume at constant pressure. Find the final temperature of the gas.

Answer»

Solution :Initial temperature `t_(1) = 13^(0)` C
`T_(1) = 13 + 273 = 286 `K
Initial volume `V_(1) = V `,
final Volume `V_(2) = 2V`
Final temperature `t_(2)` = ?
From Charles.law at constant pressure
`(V_(1))/(T_(1)) = (V_(2))/(T_(2)) rArr T_(2) = (V_(2))/(V_(1)) T_(1) = (2V)/(V) XX 286 = ` 572 k
Final temperature, `t_(2) = 572 - 273 = 299^(0)` C


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