Question

chem help please whats the answer will give brainliest

a balloon has a vol of 550 mL at -50 degrees C if the temp of the gas in the new balloon increases to 35 degrees C, and the pressure of the gas does not change what will the new vol of the gas be?​

Answer 1

The Ideal Gas Law states that PV=nRT where P is pressure, V is volume, n is number of molecules, R is the gas constant and T is the temp.

As the number of molecules does not change and pressure does not change, we move the constants to one side: V/T=nR/P=constant.

We get V1/T1=V2/T2

Temp should be in K so T1=-50C+273=223K

T2=35C+273=308K

V2=T2*V1/T1=308*550/223

=759.64mL

Answer 2

charles law states that under constant pressure, volume of a gas is directly proportional to absolute temp

absolute temp1 = 273-50 = 223K

absolute temp2= 273+35 = 308K

new vol = old vol x 308/223 = 550 x 308/223

= 760 mL