this is a problem in Charles law, the general formula is V1/T1=V2/T2 transpose it to
V2=V1 x T2 / T1 before substitution first change Celsius to kelvin by adding 273 to the Celsius value (23 +273 = 296K)
Note that standard temp is 273K.
V2= 450ml x 273 K / 296K = 415 ml
