A = * ln( )$$A$$ = $$\frac{m\cdot R\cdot T}{M}\cdot ln(\frac{V_{2}}{V_{1}})$$ 
A = $$A$$ = $$\frac{R\cdot T\cdot ln(\frac{V_{2}}{V_{1}})\cdot m}{M}$$ A = | 0.831* 1012* ln( )* 2 |
|
| / 1000 |
$$A$$ = $$\frac{0.831\cdot 1012\cdot ln(\frac{63.01}{8.31})\cdot 2}{1000}$$ A = | 0.831* 1012* ln( )* 2 |
|
| / 1000 |
$$A$$ = $$\frac{0.831\cdot 1012\cdot ln(\frac{6301}{831})\cdot 2}{1000}$$ A = | 0.831* 253* ln( )* 2 |
|
| / 250 |
$$A$$ = $$\frac{0.831\cdot 253\cdot ln(\frac{6301}{831})\cdot 2}{250}$$ A = $$A$$ = $$\frac{420.486\cdot ln(\frac{6301}{831})}{250}$$ A = 1.681944* ln( )$$A$$ = $$1.681944\cdot ln(\frac{6301}{831})$$ A = 1.681944* ln(7.58243)$$A$$ = $$1.681944\cdot ln(7.58243)$$
A = 1.681944* 2.02583$$A$$ = $$1.681944\cdot 2.02583$$
A = 3.40733$$A$$ = $$3.40733$$
A = 3.40732$$A$$ = $$3.40732$$