Question

a balloon takes up 625L of helium at STP, if it is heated to 80.1°C, what will its new volume be to make it pressure constant

Answer 1

$$\frac{V_1}{T_1}=\frac{V_2}{T_2}$$

$$\frac{625}{273.15}=\frac{V_2}{80.1+273.15}$$

$$V_2=808\ L$$