# Pressure Temperature Law

**Pressure Temperature Law (Amonton’s Law) :**

According to this Law at constant volume, pressure of a given mass of a gas is directly proportional to absolute Temperature (T).

I.e.

=

*Similarly for Charle’s Law*

=

**Example1:**

** **A balloon blown up has a volume of 500 mL at . The balloon is distended to 7/8th of its maximum stretching capacity

**(i) **Will it burst at ?

**(ii) **Calculate the minimum temperature above which it will burst?

**Solution:**

(i) Maximum capacity of the balloon =

In means the balloon will burst when the volume will be more than 571.4 mL. According to Char1e’s law:

Since the volume is less than 571.4 mL hence balloon will not burst at **.**

(ii) To calculate minimum temperature above which balloon will burst, again apply Charle’s Law:

Hence balloon Will burst at .

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