Question

I need to find the new volume. I got 820.6 mL for my answer but I would like some to double check.

Answer 1

The new volume is 820.6 mL

Step-by-step explanation:

Step 1: Data given

Initial volume of the balloon = 950 mL = 0.950 L

The initial temperature = 345K

The temperature is decreased to 298 K

Step 2: Calculate the new volume

V1/T1 = V2/T2

⇒with V1 = the initial volume = 0.950 L

⇒with T1 = the initial temperature = 345 K

⇒with V2 = the new volume = TO BE DETERMINED

⇒with T2 = The decreased temperature = 298 K

0.950 L / 345 K = V2/ 298 K

V2 = (0.950/345)*298

V2 = 0.8206 = 820.6 mL

The new volume is 820.6 mL

Answer 2

The correct answer is 820,6 ml

Step-by-step explanation:

We apply Charles's law, where for a constant pressure and mass, the volume and temperature vary directly proportionally:

V1/T1= V2/T2

V2= (V1/T1)xT2= (950ml/345K)x 298K =820,579701 ml